aboutsummaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
authorIgor Mammedov <niallain@gmail.com>2008-04-28 23:08:21 +0000
committerSteve French <sfrench@us.ibm.com>2008-04-28 23:08:21 +0000
commite9f20d6f03e8df393b001dab6dc5226c2a5daf57 (patch)
tree73e94fa5e4f83576c97e36187b809c5aad2ade30 /fs
parentbf62fd887cab230f5952b611bde25e8e15acb454 (diff)
parente31a94ed371c70855eb30b77c490d6d85dd4da26 (diff)
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs')
-rw-r--r--fs/aio.c12
-rw-r--r--fs/buffer.c20
-rw-r--r--fs/dquot.c109
-rw-r--r--fs/ext2/balloc.c29
-rw-r--r--fs/ext2/dir.c20
-rw-r--r--fs/ext2/ialloc.c12
-rw-r--r--fs/ext2/inode.c15
-rw-r--r--fs/ext2/super.c27
-rw-r--r--fs/ext2/xattr.c15
-rw-r--r--fs/ext2/xip.c53
-rw-r--r--fs/ext2/xip.h9
-rw-r--r--fs/ext3/balloc.c30
-rw-r--r--fs/ext3/ext3_jbd.c12
-rw-r--r--fs/ext3/fsync.c3
-rw-r--r--fs/ext3/ialloc.c6
-rw-r--r--fs/ext3/inode.c29
-rw-r--r--fs/ext3/namei.c37
-rw-r--r--fs/ext3/resize.c71
-rw-r--r--fs/ext3/super.c53
-rw-r--r--fs/ext3/xattr.c24
-rw-r--r--fs/ext3/xattr.h7
-rw-r--r--fs/ext4/super.c15
-rw-r--r--fs/fat/dir.c52
-rw-r--r--fs/fat/fatent.c9
-rw-r--r--fs/fat/file.c204
-rw-r--r--fs/fat/inode.c38
-rw-r--r--fs/gfs2/ops_address.c2
-rw-r--r--fs/hugetlbfs/inode.c2
-rw-r--r--fs/jbd/commit.c19
-rw-r--r--fs/jbd/journal.c18
-rw-r--r--fs/jbd/revoke.c2
-rw-r--r--fs/jbd/transaction.c38
-rw-r--r--fs/msdos/namei.c2
-rw-r--r--fs/namespace.c2
-rw-r--r--fs/ncpfs/inode.c6
-rw-r--r--fs/ncpfs/ioctl.c17
-rw-r--r--fs/ncpfs/ncpsign_kernel.c2
-rw-r--r--fs/open.c2
-rw-r--r--fs/partitions/msdos.c20
-rw-r--r--fs/proc/proc_misc.c17
-rw-r--r--fs/proc/task_mmu.c18
-rw-r--r--fs/quota.c5
-rw-r--r--fs/quota_v1.c3
-rw-r--r--fs/quota_v2.c3
-rw-r--r--fs/reiserfs/bitmap.c8
-rw-r--r--fs/reiserfs/do_balan.c14
-rw-r--r--fs/reiserfs/ioctl.c4
-rw-r--r--fs/reiserfs/journal.c10
-rw-r--r--fs/reiserfs/namei.c8
-rw-r--r--fs/reiserfs/objectid.c7
-rw-r--r--fs/reiserfs/stree.c3
-rw-r--r--fs/reiserfs/super.c38
-rw-r--r--fs/super.c10
-rw-r--r--fs/udf/namei.c8
-rw-r--r--fs/ufs/balloc.c4
-rw-r--r--fs/ufs/dir.c14
-rw-r--r--fs/ufs/inode.c2
-rw-r--r--fs/ufs/swab.h36
-rw-r--r--fs/ufs/ufs.h2
-rw-r--r--fs/vfat/namei.c37
60 files changed, 727 insertions, 567 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 228368610df..ae94e1dea26 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1166,7 +1166,10 @@ retry:
break;
if (min_nr <= i)
break;
- ret = 0;
+ if (unlikely(ctx->dead)) {
+ ret = -EINVAL;
+ break;
+ }
if (to.timed_out) /* Only check after read evt */
break;
/* Try to only show up in io wait if there are ops
@@ -1231,6 +1234,13 @@ static void io_destroy(struct kioctx *ioctx)
aio_cancel_all(ioctx);
wait_for_all_aios(ioctx);
+
+ /*
+ * Wake up any waiters. The setting of ctx->dead must be seen
+ * by other CPUs at this point. Right now, we rely on the
+ * locking done by the above calls to ensure this consistency.
+ */
+ wake_up(&ioctx->wait);
put_ioctx(ioctx); /* once for the lookup */
}
diff --git a/fs/buffer.c b/fs/buffer.c
index 39ff14403d1..3db4a26adc4 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -360,16 +360,19 @@ void invalidate_bdev(struct block_device *bdev)
*/
static void free_more_memory(void)
{
- struct zone **zones;
- pg_data_t *pgdat;
+ struct zone *zone;
+ int nid;
wakeup_pdflush(1024);
yield();
- for_each_online_pgdat(pgdat) {
- zones = pgdat->node_zonelists[gfp_zone(GFP_NOFS)].zones;
- if (*zones)
- try_to_free_pages(zones, 0, GFP_NOFS);
+ for_each_online_node(nid) {
+ (void)first_zones_zonelist(node_zonelist(nid, GFP_NOFS),
+ gfp_zone(GFP_NOFS), NULL,
+ &zone);
+ if (zone)
+ try_to_free_pages(node_zonelist(nid, GFP_NOFS), 0,
+ GFP_NOFS);
}
}
@@ -2243,6 +2246,8 @@ int cont_expand_zero(struct file *file, struct address_space *mapping,
goto out;
BUG_ON(err != len);
err = 0;
+
+ balance_dirty_pages_ratelimited(mapping);
}
/* page covers the boundary, find the boundary offset */
@@ -3180,8 +3185,7 @@ static void recalc_bh_state(void)
struct buffer_head *alloc_buffer_head(gfp_t gfp_flags)
{
- struct buffer_head *ret = kmem_cache_alloc(bh_cachep,
- set_migrateflags(gfp_flags, __GFP_RECLAIMABLE));
+ struct buffer_head *ret = kmem_cache_alloc(bh_cachep, gfp_flags);
if (ret) {
INIT_LIST_HEAD(&ret->b_assoc_buffers);
get_cpu_var(bh_accounting).nr++;
diff --git a/fs/dquot.c b/fs/dquot.c
index 41b9dbd68b0..dfba1623ccc 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -289,7 +289,15 @@ static void wait_on_dquot(struct dquot *dquot)
mutex_unlock(&dquot->dq_lock);
}
-#define mark_dquot_dirty(dquot) ((dquot)->dq_sb->dq_op->mark_dirty(dquot))
+static inline int dquot_dirty(struct dquot *dquot)
+{
+ return test_bit(DQ_MOD_B, &dquot->dq_flags);
+}
+
+static inline int mark_dquot_dirty(struct dquot *dquot)
+{
+ return dquot->dq_sb->dq_op->mark_dirty(dquot);
+}
int dquot_mark_dquot_dirty(struct dquot *dquot)
{
@@ -1441,31 +1449,43 @@ static inline void set_enable_flags(struct quota_info *dqopt, int type)
switch (type) {
case USRQUOTA:
dqopt->flags |= DQUOT_USR_ENABLED;
+ dqopt->flags &= ~DQUOT_USR_SUSPENDED;
break;
case GRPQUOTA:
dqopt->flags |= DQUOT_GRP_ENABLED;
+ dqopt->flags &= ~DQUOT_GRP_SUSPENDED;
break;
}
}
-static inline void reset_enable_flags(struct quota_info *dqopt, int type)
+static inline void reset_enable_flags(struct quota_info *dqopt, int type,
+ int remount)
{
switch (type) {
case USRQUOTA:
dqopt->flags &= ~DQUOT_USR_ENABLED;
+ if (remount)
+ dqopt->flags |= DQUOT_USR_SUSPENDED;
+ else
+ dqopt->flags &= ~DQUOT_USR_SUSPENDED;
break;
case GRPQUOTA:
dqopt->flags &= ~DQUOT_GRP_ENABLED;
+ if (remount)
+ dqopt->flags |= DQUOT_GRP_SUSPENDED;
+ else
+ dqopt->flags &= ~DQUOT_GRP_SUSPENDED;
break;
}
}
+
/*
* Turn quota off on a device. type == -1 ==> quotaoff for all types (umount)
*/
-int vfs_quota_off(struct super_block *sb, int type)
+int vfs_quota_off(struct super_block *sb, int type, int remount)
{
- int cnt;
+ int cnt, ret = 0;
struct quota_info *dqopt = sb_dqopt(sb);
struct inode *toputinode[MAXQUOTAS];
@@ -1475,9 +1495,17 @@ int vfs_quota_off(struct super_block *sb, int type)
toputinode[cnt] = NULL;
if (type != -1 && cnt != type)
continue;
+ /* If we keep inodes of quota files after remount and quotaoff
+ * is called, drop kept inodes. */
+ if (!remount && sb_has_quota_suspended(sb, cnt)) {
+ iput(dqopt->files[cnt]);
+ dqopt->files[cnt] = NULL;
+ reset_enable_flags(dqopt, cnt, 0);
+ continue;
+ }
if (!sb_has_quota_enabled(sb, cnt))
continue;
- reset_enable_flags(dqopt, cnt);
+ reset_enable_flags(dqopt, cnt, remount);
/* Note: these are blocking operations */
drop_dquot_ref(sb, cnt);
@@ -1493,7 +1521,8 @@ int vfs_quota_off(struct super_block *sb, int type)
put_quota_format(dqopt->info[cnt].dqi_format);
toputinode[cnt] = dqopt->files[cnt];
- dqopt->files[cnt] = NULL;
+ if (!remount)
+ dqopt->files[cnt] = NULL;
dqopt->info[cnt].dqi_flags = 0;
dqopt->info[cnt].dqi_igrace = 0;
dqopt->info[cnt].dqi_bgrace = 0;
@@ -1523,12 +1552,19 @@ int vfs_quota_off(struct super_block *sb, int type)
mutex_unlock(&toputinode[cnt]->i_mutex);
mark_inode_dirty(toputinode[cnt]);
}
- iput(toputinode[cnt]);
mutex_unlock(&dqopt->dqonoff_mutex);
+ /* On remount RO, we keep the inode pointer so that we
+ * can reenable quota on the subsequent remount RW.
+ * But we have better not keep inode pointer when there
+ * is pending delete on the quota file... */
+ if (!remount)
+ iput(toputinode[cnt]);
+ else if (!toputinode[cnt]->i_nlink)
+ ret = -EBUSY;
}
if (sb->s_bdev)
invalidate_bdev(sb->s_bdev);
- return 0;
+ return ret;
}
/*
@@ -1566,7 +1602,8 @@ static int vfs_quota_on_inode(struct inode *inode, int type, int format_id)
invalidate_bdev(sb->s_bdev);
mutex_lock(&inode->i_mutex);
mutex_lock(&dqopt->dqonoff_mutex);
- if (sb_has_quota_enabled(sb, type)) {
+ if (sb_has_quota_enabled(sb, type) ||
+ sb_has_quota_suspended(sb, type)) {
error = -EBUSY;
goto out_lock;
}
@@ -1589,6 +1626,7 @@ static int vfs_quota_on_inode(struct inode *inode, int type, int format_id)
dqopt->ops[type] = fmt->qf_ops;
dqopt->info[type].dqi_format = fmt;
+ dqopt->info[type].dqi_fmt_id = format_id;
INIT_LIST_HEAD(&dqopt->info[type].dqi_dirty_list);
mutex_lock(&dqopt->dqio_mutex);
if ((error = dqopt->ops[type]->read_file_info(sb, type)) < 0) {
@@ -1624,12 +1662,41 @@ out_fmt:
return error;
}
+/* Reenable quotas on remount RW */
+static int vfs_quota_on_remount(struct super_block *sb, int type)
+{
+ struct quota_info *dqopt = sb_dqopt(sb);
+ struct inode *inode;
+ int ret;
+
+ mutex_lock(&dqopt->dqonoff_mutex);
+ if (!sb_has_quota_suspended(sb, type)) {
+ mutex_unlock(&dqopt->dqonoff_mutex);
+ return 0;
+ }
+ BUG_ON(sb_has_quota_enabled(sb, type));
+
+ inode = dqopt->files[type];
+ dqopt->files[type] = NULL;
+ reset_enable_flags(dqopt, type, 0);
+ mutex_unlock(&dqopt->dqonoff_mutex);
+
+ ret = vfs_quota_on_inode(inode, type, dqopt->info[type].dqi_fmt_id);
+ iput(inode);
+
+ return ret;
+}
+
/* Actual function called from quotactl() */
-int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path)
+int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path,
+ int remount)
{
struct nameidata nd;
int error;
+ if (remount)
+ return vfs_quota_on_remount(sb, type);
+
error = path_lookup(path, LOOKUP_FOLLOW, &nd);
if (error < 0)
return error;
@@ -1709,10 +1776,19 @@ int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *d
}
/* Generic routine for setting common part of quota structure */
-static void do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
+static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
{
struct mem_dqblk *dm = &dquot->dq_dqb;
int check_blim = 0, check_ilim = 0;
+ struct mem_dqinfo *dqi = &sb_dqopt(dquot->dq_sb)->info[dquot->dq_type];
+
+ if ((di->dqb_valid & QIF_BLIMITS &&
+ (di->dqb_bhardlimit > dqi->dqi_maxblimit ||
+ di->dqb_bsoftlimit > dqi->dqi_maxblimit)) ||
+ (di->dqb_valid & QIF_ILIMITS &&
+ (di->dqb_ihardlimit > dqi->dqi_maxilimit ||
+ di->dqb_isoftlimit > dqi->dqi_maxilimit)))
+ return -ERANGE;
spin_lock(&dq_data_lock);
if (di->dqb_valid & QIF_SPACE) {
@@ -1744,7 +1820,7 @@ static void do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
clear_bit(DQ_BLKS_B, &dquot->dq_flags);
}
else if (!(di->dqb_valid & QIF_BTIME)) /* Set grace only if user hasn't provided his own... */
- dm->dqb_btime = get_seconds() + sb_dqopt(dquot->dq_sb)->info[dquot->dq_type].dqi_bgrace;
+ dm->dqb_btime = get_seconds() + dqi->dqi_bgrace;
}
if (check_ilim) {
if (!dm->dqb_isoftlimit || dm->dqb_curinodes < dm->dqb_isoftlimit) {
@@ -1752,7 +1828,7 @@ static void do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
clear_bit(DQ_INODES_B, &dquot->dq_flags);
}
else if (!(di->dqb_valid & QIF_ITIME)) /* Set grace only if user hasn't provided his own... */
- dm->dqb_itime = get_seconds() + sb_dqopt(dquot->dq_sb)->info[dquot->dq_type].dqi_igrace;
+ dm->dqb_itime = get_seconds() + dqi->dqi_igrace;
}
if (dm->dqb_bhardlimit || dm->dqb_bsoftlimit || dm->dqb_ihardlimit || dm->dqb_isoftlimit)
clear_bit(DQ_FAKE_B, &dquot->dq_flags);
@@ -1760,21 +1836,24 @@ static void do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
set_bit(DQ_FAKE_B, &dquot->dq_flags);
spin_unlock(&dq_data_lock);
mark_dquot_dirty(dquot);
+
+ return 0;
}
int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di)
{
struct dquot *dquot;
+ int rc;
mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
if (!(dquot = dqget(sb, id, type))) {
mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
return -ESRCH;
}
- do_set_dqblk(dquot, di);
+ rc = do_set_dqblk(dquot, di);
dqput(dquot);
mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
- return 0;
+ return rc;
}
/* Generic routine for getting common part of quota file information */
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index e7b2bafa1dd..10bb02c3f25 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -106,7 +106,7 @@ static int ext2_valid_block_bitmap(struct super_block *sb,
return 1;
err_out:
- ext2_error(sb, __FUNCTION__,
+ ext2_error(sb, __func__,
"Invalid block bitmap - "
"block_group = %d, block = %lu",
block_group, bitmap_blk);
@@ -132,7 +132,7 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
bitmap_blk = le32_to_cpu(desc->bg_block_bitmap);
bh = sb_getblk(sb, bitmap_blk);
if (unlikely(!bh)) {
- ext2_error(sb, __FUNCTION__,
+ ext2_error(sb, __func__,
"Cannot read block bitmap - "
"block_group = %d, block_bitmap = %u",
block_group, le32_to_cpu(desc->bg_block_bitmap));
@@ -143,17 +143,18 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
if (bh_submit_read(bh) < 0) {
brelse(bh);
- ext2_error(sb, __FUNCTION__,
+ ext2_error(sb, __func__,
"Cannot read block bitmap - "
"block_group = %d, block_bitmap = %u",
block_group, le32_to_cpu(desc->bg_block_bitmap));
return NULL;
}
- if (!ext2_valid_block_bitmap(sb, desc, block_group, bh)) {
- brelse(bh);
- return NULL;
- }
+ ext2_valid_block_bitmap(sb, desc, block_group, bh);
+ /*
+ * file system mounted not to panic on error, continue with corrupt
+ * bitmap
+ */
return bh;
}
@@ -245,11 +246,10 @@ restart:
prev = rsv;
}
printk("Window map complete.\n");
- if (bad)
- BUG();
+ BUG_ON(bad);
}
#define rsv_window_dump(root, verbose) \
- __rsv_window_dump((root), (verbose), __FUNCTION__)
+ __rsv_window_dump((root), (verbose), __func__)
#else
#define rsv_window_dump(root, verbose) do {} while (0)
#endif
@@ -548,7 +548,7 @@ do_more:
for (i = 0, group_freed = 0; i < count; i++) {
if (!ext2_clear_bit_atomic(sb_bgl_lock(sbi, block_group),
bit + i, bitmap_bh->b_data)) {
- ext2_error(sb, __FUNCTION__,
+ ext2_error(sb, __func__,
"bit already cleared for block %lu", block + i);
} else {
group_freed++;
@@ -1381,7 +1381,12 @@ allocated:
"Allocating block in system zone - "
"blocks from "E2FSBLK", length %lu",
ret_block, num);
- goto out;
+ /*
+ * ext2_try_to_allocate marked the blocks we allocated as in
+ * use. So we may want to selectively mark some of the blocks
+ * as free
+ */
+ goto retry_alloc;
}
performed_allocation = 1;
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 8dededd80fe..a78c6b4af06 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -41,8 +41,8 @@ static inline __le16 ext2_rec_len_to_disk(unsigned len)
{
if (len == (1 << 16))
return cpu_to_le16(EXT2_MAX_REC_LEN);
- else if (len > (1 << 16))
- BUG();
+ else
+ BUG_ON(len > (1 << 16));
return cpu_to_le16(len);
}
@@ -295,11 +295,11 @@ ext2_readdir (struct file * filp, void * dirent, filldir_t filldir)
struct page *page = ext2_get_page(inode, n);
if (IS_ERR(page)) {
- ext2_error(sb, __FUNCTION__,
+ ext2_error(sb, __func__,
"bad page in #%lu",
inode->i_ino);
filp->f_pos += PAGE_CACHE_SIZE - offset;
- return -EIO;
+ return PTR_ERR(page);
}
kaddr = page_address(page);
if (unlikely(need_revalidate)) {
@@ -314,7 +314,7 @@ ext2_readdir (struct file * filp, void * dirent, filldir_t filldir)
limit = kaddr + ext2_last_byte(inode, n) - EXT2_DIR_REC_LEN(1);
for ( ;(char*)de <= limit; de = ext2_next_entry(de)) {
if (de->rec_len == 0) {
- ext2_error(sb, __FUNCTION__,
+ ext2_error(sb, __func__,
"zero-length directory entry");
ext2_put_page(page);
return -EIO;
@@ -381,7 +381,7 @@ struct ext2_dir_entry_2 * ext2_find_entry (struct inode * dir,
kaddr += ext2_last_byte(dir, n) - reclen;
while ((char *) de <= kaddr) {
if (de->rec_len == 0) {
- ext2_error(dir->i_sb, __FUNCTION__,
+ ext2_error(dir->i_sb, __func__,
"zero-length directory entry");
ext2_put_page(page);
goto out;
@@ -396,7 +396,7 @@ struct ext2_dir_entry_2 * ext2_find_entry (struct inode * dir,
n = 0;
/* next page is past the blocks we've got */
if (unlikely(n > (dir->i_blocks >> (PAGE_CACHE_SHIFT - 9)))) {
- ext2_error(dir->i_sb, __FUNCTION__,
+ ext2_error(dir->i_sb, __func__,
"dir %lu size %lld exceeds block count %llu",
dir->i_ino, dir->i_size,
(unsigned long long)dir->i_blocks);
@@ -506,7 +506,7 @@ int ext2_add_link (struct dentry *dentry, struct inode *inode)
goto got_it;
}
if (de->rec_len == 0) {
- ext2_error(dir->i_sb, __FUNCTION__,
+ ext2_error(dir->i_sb, __func__,
"zero-length directory entry");
err = -EIO;
goto out_unlock;
@@ -578,7 +578,7 @@ int ext2_delete_entry (struct ext2_dir_entry_2 * dir, struct page * page )
while ((char*)de < (char*)dir) {
if (de->rec_len == 0) {
- ext2_error(inode->i_sb, __FUNCTION__,
+ ext2_error(inode->i_sb, __func__,
"zero-length directory entry");
err = -EIO;
goto out;
@@ -670,7 +670,7 @@ int ext2_empty_dir (struct inode * inode)
while ((char *)de <= kaddr) {
if (de->rec_len == 0) {
- ext2_error(inode->i_sb, __FUNCTION__,
+ ext2_error(inode->i_sb, __func__,
"zero-length directory entry");
printk("kaddr=%p, de=%p\n", kaddr, de);
goto not_empty;
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 08f647d8188..f5974134676 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -75,11 +75,9 @@ static void ext2_release_inode(struct super_block *sb, int group, int dir)
}
spin_lock(sb_bgl_lock(EXT2_SB(sb), group));
- desc->bg_free_inodes_count =
- cpu_to_le16(le16_to_cpu(desc->bg_free_inodes_count) + 1);
+ le16_add_cpu(&desc->bg_free_inodes_count, 1);
if (dir)
- desc->bg_used_dirs_count =
- cpu_to_le16(le16_to_cpu(desc->bg_used_dirs_count) - 1);
+ le16_add_cpu(&desc->bg_used_dirs_count, -1);
spin_unlock(sb_bgl_lock(EXT2_SB(sb), group));
if (dir)
percpu_counter_dec(&EXT2_SB(sb)->s_dirs_counter);
@@ -539,13 +537,11 @@ got:
percpu_counter_inc(&sbi->s_dirs_counter);
spin_lock(sb_bgl_lock(sbi, group));
- gdp->bg_free_inodes_count =
- cpu_to_le16(le16_to_cpu(gdp->bg_free_inodes_count) - 1);
+ le16_add_cpu(&gdp->bg_free_inodes_count, -1);
if (S_ISDIR(mode)) {
if (sbi->s_debts[group] < 255)
sbi->s_debts[group]++;
- gdp->bg_used_dirs_count =
- cpu_to_le16(le16_to_cpu(gdp->bg_used_dirs_count) + 1);
+ le16_add_cpu(&gdp->bg_used_dirs_count, 1);
} else {
if (sbi->s_debts[group])
sbi->s_debts[group]--;
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index b8a2990bab8..384fc0d1dd7 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -254,13 +254,13 @@ no_block:
* Caller must make sure that @ind is valid and will stay that way.
*/
-static unsigned long ext2_find_near(struct inode *inode, Indirect *ind)
+static ext2_fsblk_t ext2_find_near(struct inode *inode, Indirect *ind)
{
struct ext2_inode_info *ei = EXT2_I(inode);
__le32 *start = ind->bh ? (__le32 *) ind->bh->b_data : ei->i_data;
__le32 *p;
- unsigned long bg_start;
- unsigned long colour;
+ ext2_fsblk_t bg_start;
+ ext2_fsblk_t colour;
/* Try to find previous block */
for (p = ind->p - 1; p >= start; p--)
@@ -275,8 +275,7 @@ static unsigned long ext2_find_near(struct inode *inode, Indirect *ind)
* It is going to be refered from inode itself? OK, just put it into
* the same cylinder group then.
*/
- bg_start = (ei->i_block_group * EXT2_BLOCKS_PER_GROUP(inode->i_sb)) +
- le32_to_cpu(EXT2_SB(inode->i_sb)->s_es->s_first_data_block);
+ bg_start = ext2_group_first_block_no(inode->i_sb, ei->i_block_group);
colour = (current->pid % 16) *
(EXT2_BLOCKS_PER_GROUP(inode->i_sb) / 16);
return bg_start + colour;
@@ -291,8 +290,8 @@ static unsigned long ext2_find_near(struct inode *inode, Indirect *ind)
* Returns preferred place for a block (the goal).
*/
-static inline int ext2_find_goal(struct inode *inode, long block,
- Indirect *partial)
+static inline ext2_fsblk_t ext2_find_goal(struct inode *inode, long block,
+ Indirect *partial)
{
struct ext2_block_alloc_info *block_i;
@@ -796,7 +795,7 @@ const struct address_space_operations ext2_aops = {
const struct address_space_operations ext2_aops_xip = {
.bmap = ext2_bmap,
- .get_xip_page = ext2_get_xip_page,
+ .get_xip_mem = ext2_get_xip_mem,
};
const struct address_space_operations ext2_nobh_aops = {
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 088b011bb97..ef50cbc792d 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -51,8 +51,7 @@ void ext2_error (struct super_block * sb, const char * function,
if (!(sb->s_flags & MS_RDONLY)) {
sbi->s_mount_state |= EXT2_ERROR_FS;
- es->s_state =
- cpu_to_le16(le16_to_cpu(es->s_state) | EXT2_ERROR_FS);
+ es->s_state |= cpu_to_le16(EXT2_ERROR_FS);
ext2_sync_super(sb, es);
}
@@ -90,7 +89,7 @@ void ext2_update_dynamic_rev(struct super_block *sb)
if (le32_to_cpu(es->s_rev_level) > EXT2_GOOD_OLD_REV)
return;
- ext2_warning(sb, __FUNCTION__,
+ ext2_warning(sb, __func__,
"updating to rev %d because of new feature flag, "
"running e2fsck is recommended",
EXT2_DYNAMIC_REV);
@@ -604,7 +603,7 @@ static int ext2_setup_super (struct super_block * sb,
"running e2fsck is recommended\n");
if (!le16_to_cpu(es->s_max_mnt_count))
es->s_max_mnt_count = cpu_to_le16(EXT2_DFL_MAX_MNT_COUNT);
- es->s_mnt_count=cpu_to_le16(le16_to_cpu(es->s_mnt_count) + 1);
+ le16_add_cpu(&es->s_mnt_count, 1);
ext2_write_super(sb);
if (test_opt (sb, DEBUG))
printk ("[EXT II FS %s, %s, bs=%lu, fs=%lu, gc=%lu, "
@@ -622,13 +621,13 @@ static int ext2_check_descriptors(struct super_block *sb)
{
int i;
struct ext2_sb_info *sbi = EXT2_SB(sb);
- unsigned long first_block = le32_to_cpu(sbi->s_es->s_first_data_block);
- unsigned long last_block;
ext2_debug ("Checking group descriptors");
for (i = 0; i < sbi->s_groups_count; i++) {
struct ext2_group_desc *gdp = ext2_get_group_desc(sb, i, NULL);
+ ext2_fsblk_t first_block = ext2_group_first_block_no(sb, i);
+ ext2_fsblk_t last_block;
if (i == sbi->s_groups_count - 1)
last_block = le32_to_cpu(sbi->s_es->s_blocks_count) - 1;
@@ -664,7 +663,6 @@ static int ext2_check_descriptors(struct super_block *sb)
i, (unsigned long) le32_to_cpu(gdp->bg_inode_table));
return 0;
}
- first_block += EXT2_BLOCKS_PER_GROUP(sb);
}
return 1;
}
@@ -721,10 +719,9 @@ static unsigned long descriptor_loc(struct super_block *sb,
int nr)
{
struct ext2_sb_info *sbi = EXT2_SB(sb);
- unsigned long bg, first_data_block, first_meta_bg;
+ unsigned long bg, first_meta_bg;
int has_super = 0;
- first_data_block = le32_to_cpu(sbi->s_es->s_first_data_block);
first_meta_bg = le32_to_cpu(sbi->s_es->s_first_meta_bg);
if (!EXT2_HAS_INCOMPAT_FEATURE(sb, EXT2_FEATURE_INCOMPAT_META_BG) ||
@@ -733,7 +730,8 @@ static unsigned long descriptor_loc(struct super_block *sb,
bg = sbi->s_desc_per_block * nr;
if (ext2_bg_has_super(sb, bg))
has_super = 1;
- return (first_data_block + has_super + (bg * sbi->s_blocks_per_group));
+
+ return ext2_group_first_block_no(sb, bg) + has_super;
}
static int ext2_fill_super(struct super_block *sb, void *data, int silent)
@@ -1062,7 +1060,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount3;
}
if (EXT2_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL))
- ext2_warning(sb, __FUNCTION__,
+ ext2_warning(sb, __func__,
"mounting ext3 filesystem as ext2");
ext2_setup_super (sb, es, sb->s_flags & MS_RDONLY);
return 0;
@@ -1126,10 +1124,9 @@ void ext2_write_super (struct super_block * sb)
if (!(sb->s_flags & MS_RDONLY)) {
es = EXT2_SB(sb)->s_es;
- if (le16_to_cpu(es->s_state) & EXT2_VALID_FS) {
+ if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) {
ext2_debug ("setting valid to 0\n");
- es->s_state = cpu_to_le16(le16_to_cpu(es->s_state) &
- ~EXT2_VALID_FS);
+ es->s_state &= cpu_to_le16(~EXT2_VALID_FS);
es->s_free_blocks_count = cpu_to_le32(ext2_count_free_blocks(sb));
es->s_free_inodes_count = cpu_to_le32(ext2_count_free_inodes(sb));
es->s_mtime = cpu_to_le32(get_seconds());
@@ -1180,7 +1177,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
if (((sbi->s_mount_opt & EXT2_MOUNT_XIP) !=
(old_mount_opt & EXT2_MOUNT_XIP)) &&
invalidate_inodes(sb))
- ext2_warning(sb, __FUNCTION__, "busy inodes while remounting "\
+ ext2_warning(sb, __func__, "busy inodes while remounting "\
"xip remain in cache (no functional problem)");
if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
return 0;
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index a99d46f3b26..987a5261cc2 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -646,8 +646,7 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
unlock_buffer(new_bh);
goto cleanup;
}
- HDR(new_bh)->h_refcount = cpu_to_le32(1 +
- le32_to_cpu(HDR(new_bh)->h_refcount));
+ le32_add_cpu(&HDR(new_bh)->h_refcount, 1);
ea_bdebug(new_bh, "refcount now=%d",
le32_to_cpu(HDR(new_bh)->h_refcount));
}
@@ -660,10 +659,8 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
ext2_xattr_cache_insert(new_bh);
} else {
/* We need to allocate a new block */
- int goal = le32_to_cpu(EXT2_SB(sb)->s_es->
- s_first_data_block) +
- EXT2_I(inode)->i_block_group *
- EXT2_BLOCKS_PER_GROUP(sb);
+ ext2_fsblk_t goal = ext2_group_first_block_no(sb,
+ EXT2_I(inode)->i_block_group);
int block = ext2_new_block(inode, goal, &error);
if (error)
goto cleanup;
@@ -731,8 +728,7 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
bforget(old_bh);
} else {
/* Decrement the refcount only. */
- HDR(old_bh)->h_refcount = cpu_to_le32(
- le32_to_cpu(HDR(old_bh)->h_refcount) - 1);
+ le32_add_cpu(&HDR(old_bh)->h_refcount, -1);
if (ce)
mb_cache_entry_release(ce);
DQUOT_FREE_BLOCK(inode, 1);
@@ -789,8 +785,7 @@ ext2_xattr_delete_inode(struct inode *inode)
bforget(bh);
unlock_buffer(bh);
} else {
- HDR(bh)->h_refcount = cpu_to_le32(
- le32_to_cpu(HDR(bh)->h_refcount) - 1);
+ le32_add_cpu(&HDR(bh)->h_refcount, -1);
if (ce)
mb_cache_entry_release(ce);
ea_bdebug(bh, "refcount now=%d",
diff --git a/fs/ext2/xip.c b/fs/ext2/xip.c
index ca7f0031238..4fb94c20041 100644
--- a/fs/ext2/xip.c
+++ b/fs/ext2/xip.c
@@ -15,24 +15,28 @@
#include "xip.h"
static inline int
-__inode_direct_access(struct inode *inode, sector_t sector,
- unsigned long *data)
+__inode_direct_access(struct inode *inode, sector_t block,
+ void **kaddr, unsigned long *pfn)
{
- BUG_ON(!inode->i_sb->s_bdev->bd_disk->fops->direct_access);
- return inode->i_sb->s_bdev->bd_disk->fops
- ->direct_access(inode->i_sb->s_bdev,sector,data);
+ struct block_device *bdev = inode->i_sb->s_bdev;
+ struct block_device_operations *ops = bdev->bd_disk->fops;
+ sector_t sector;
+
+ sector = block * (PAGE_SIZE / 512); /* ext2 block to bdev sector */
+
+ BUG_ON(!ops->direct_access);
+ return ops->direct_access(bdev, sector, kaddr, pfn);
}
static inline int
-__ext2_get_sector(struct inode *inode, sector_t offset, int create,
+__ext2_get_block(struct inode *inode, pgoff_t pgoff, int create,
sector_t *result)
{
struct buffer_head tmp;
int rc;
memset(&tmp, 0, sizeof(struct buffer_head));
- rc = ext2_get_block(inode, offset/ (PAGE_SIZE/512), &tmp,
- create);
+ rc = ext2_get_block(inode, pgoff, &tmp, create);
*result = tmp.b_blocknr;
/* did we get a sparse block (hole in the file)? */
@@ -45,15 +49,15 @@ __ext2_get_sector(struct inode *inode, sector_t offset, int create,
}
int
-ext2_clear_xip_target(struct inode *inode, int block)
+ext2_clear_xip_target(struct inode *inode, sector_t block)
{
- sector_t sector = block * (PAGE_SIZE/512);
- unsigned long data;
+ void *kaddr;
+ unsigned long pfn;
int rc;
- rc = __inode_direct_access(inode, sector, &data);
+ rc = __inode_direct_access(inode, block, &kaddr, &pfn);
if (!rc)
- clear_page((void*)data);
+ clear_page(kaddr);
return rc;
}
@@ -64,30 +68,23 @@ void ext2_xip_verify_sb(struct super_block *sb)
if ((sbi->s_mount_opt & EXT2_MOUNT_XIP) &&
!sb->s_bdev->bd_disk->fops->direct_access) {
sbi->s_mount_opt &= (~EXT2_MOUNT_XIP);
- ext2_warning(sb, __FUNCTION__,
+ ext2_warning(sb, __func__,
"ignoring xip option - not supported by bdev");
}
}
-struct page *
-ext2_get_xip_page(struct address_space *mapping, sector_t offset,
- int create)
+int ext2_get_xip_mem(struct address_space *mapping, pgoff_t pgoff, int create,
+ void **kmem, unsigned long *pfn)
{
int rc;
- unsigned long data;
- sector_t sector;
+ sector_t block;
/* first, retrieve the sector number */
- rc = __ext2_get_sector(mapping->host, offset, create, &sector);
+ rc = __ext2_get_block(mapping->host, pgoff, create, &block);
if (rc)
- goto error;
+ return rc;
/* retrieve address of the target data */
- rc = __inode_direct_access
- (mapping->host, sector * (PAGE_SIZE/512), &data);
- if (!rc)
- return virt_to_page(data);
-
- error:
- return ERR_PTR(rc);
+ rc = __inode_direct_access(mapping->host, block, kmem, pfn);
+ return rc;
}
diff --git a/fs/ext2/xip.h b/fs/ext2/xip.h
index aa85331d6c5..18b34d2f31b 100644
--- a/fs/ext2/xip.h
+++ b/fs/ext2/xip.h
@@ -7,19 +7,20 @@
#ifdef CONFIG_EXT2_FS_XIP
extern void ext2_xip_verify_sb (struct super_block *);
-extern int ext2_clear_xip_target (struct inode *, int);
+extern int ext2_clear_xip_target (struct inode *, sector_t);
static inline int ext2_use_xip (struct super_block *sb)
{
struct ext2_sb_info *sbi = EXT2_SB(sb);
return (sbi->s_mount_opt & EXT2_MOUNT_XIP);
}
-struct page* ext2_get_xip_page (struct address_space *, sector_t, int);
-#define mapping_is_xip(map) unlikely(map->a_ops->get_xip_page)
+int ext2_get_xip_mem(struct address_space *, pgoff_t, int,
+ void **, unsigned long *);
+#define mapping_is_xip(map) unlikely(map->a_ops->get_xip_mem)
#else
#define mapping_is_xip(map) 0
#define ext2_xip_verify_sb(sb) do { } while (0)
#define ext2_use_xip(sb) 0
#define ext2_clear_xip_target(inode, chain) 0
-#define ext2_get_xip_page NULL
+#define ext2_get_xip_mem NULL
#endif
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index da0cb2c0e43..92fd0338a6e 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -117,7 +117,7 @@ static int ext3_valid_block_bitmap(struct super_block *sb,
return 1;
err_out:
- ext3_error(sb, __FUNCTION__,
+ ext3_error(sb, __func__,
"Invalid block bitmap - "
"block_group = %d, block = %lu",
block_group, bitmap_blk);
@@ -147,7 +147,7 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
bitmap_blk = le32_to_cpu(desc->bg_block_bitmap);
bh = sb_getblk(sb, bitmap_blk);
if (unlikely(!bh)) {
- ext3_error(sb, __FUNCTION__,
+ ext3_error(sb, __func__,
"Cannot read block bitmap - "
"block_group = %d, block_bitmap = %u",
block_group, le32_to_cpu(desc->bg_block_bitmap));
@@ -158,16 +158,17 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
if (bh_submit_read(bh) < 0) {
brelse(bh);
- ext3_error(sb, __FUNCTION__,
+ ext3_error(sb, __func__,
"Cannot read block bitmap - "
"block_group = %d, block_bitmap = %u",
block_group, le32_to_cpu(desc->bg_block_bitmap));
return NULL;
}
- if (!ext3_valid_block_bitmap(sb, desc, block_group, bh)) {
- brelse(bh);
- return NULL;
- }
+ ext3_valid_block_bitmap(sb, desc, block_group, bh);
+ /*
+ * file system mounted not to panic on error, continue with corrupt
+ * bitmap
+ */
return bh;
}
/*
@@ -232,11 +233,10 @@ restart:
prev = rsv;
}
printk("Window map complete.\n");
- if (bad)
- BUG();
+ BUG_ON(bad);
}
#define rsv_window_dump(root, verbose) \
- __rsv_window_dump((root), (verbose), __FUNCTION__)
+ __rsv_window_dump((root), (verbose), __func__)
#else
#define rsv_window_dump(root, verbose) do {} while (0)
#endif
@@ -618,7 +618,7 @@ do_more:
if (!ext3_clear_bit_atomic(sb_bgl_lock(sbi, block_group),
bit + i, bitmap_bh->b_data)) {
jbd_unlock_bh_state(bitmap_bh);
- ext3_error(sb, __FUNCTION__,
+ ext3_error(sb, __func__,
"bit already cleared for block "E3FSBLK,
block + i);
jbd_lock_bh_state(bitmap_bh);
@@ -1642,7 +1642,11 @@ allocated:
"Allocating block in system zone - "
"blocks from "E3FSBLK", length %lu",
ret_block, num);
- goto out;
+ /*
+ * claim_block() marked the blocks we allocated as in use. So we
+ * may want to selectively mark some of the blocks as free.
+ */
+ goto retry_alloc;
}
performed_allocation = 1;
@@ -1668,7 +1672,7 @@ allocated:
if (ext3_test_bit(grp_alloc_blk+i,
bh2jh(bitmap_bh)->b_committed_data)) {
printk("%s: block was unexpectedly set in "
- "b_committed_data\n", __FUNCTION__);
+ "b_committed_data\n", __func__);
}
}
}
diff --git a/fs/ext3/ext3_jbd.c b/fs/ext3/ext3_jbd.c
index e1f91fd26a9..d401f148d74 100644
--- a/fs/ext3/ext3_jbd.c
+++ b/fs/ext3/ext3_jbd.c
@@ -9,7 +9,7 @@ int __ext3_journal_get_undo_access(const char *where, handle_t *handle,
{
int err = journal_get_undo_access(handle, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext3_journal_abort_handle(where, __func__, bh, handle,err);
return err;
}
@@ -18,7 +18,7 @@ int __ext3_journal_get_write_access(const char *where, handle_t *handle,
{
int err = journal_get_write_access(handle, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext3_journal_abort_handle(where, __func__, bh, handle,err);
return err;
}
@@ -27,7 +27,7 @@ int __ext3_journal_forget(const char *where, handle_t *handle,
{
int err = journal_forget(handle, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext3_journal_abort_handle(where, __func__, bh, handle,err);
return err;
}
@@ -36,7 +36,7 @@ int __ext3_journal_revoke(const char *where, handle_t *handle,
{
int err = journal_revoke(handle, blocknr, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext3_journal_abort_handle(where, __func__, bh, handle,err);
return err;
}
@@ -45,7 +45,7 @@ int __ext3_journal_get_create_access(const char *where,
{
int err = journal_get_create_access(handle, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext3_journal_abort_handle(where, __func__, bh, handle,err);
return err;
}
@@ -54,6 +54,6 @@ int __ext3_journal_dirty_metadata(const char *where,
{
int err = journal_dirty_metadata(handle, bh);
if (err)
- ext3_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+ ext3_journal_abort_handle(where, __func__, bh, handle,err);
return err;
}
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index a588e23841d..d33634119e1 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -72,6 +72,9 @@ int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync)
goto out;
}
+ if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
+ goto out;
+
/*
* The VFS has written the file data. If the inode is unaltered
* then we need not start a commit.
diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c
index 96dd5573e49..77126821b2e 100644
--- a/fs/ext3/ialloc.c
+++ b/fs/ext3/ialloc.c
@@ -644,7 +644,7 @@ struct inode *ext3_orphan_get(struct super_block *sb, unsigned long ino)
/* Error cases - e2fsck has already cleaned up for us */
if (ino > max_ino) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"bad orphan ino %lu! e2fsck was run?", ino);
goto error;
}
@@ -653,7 +653,7 @@ struct inode *ext3_orphan_get(struct super_block *sb, unsigned long ino)
bit = (ino - 1) % EXT3_INODES_PER_GROUP(sb);
bitmap_bh = read_inode_bitmap(sb, block_group);
if (!bitmap_bh) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"inode bitmap error for orphan %lu", ino);
goto error;
}
@@ -678,7 +678,7 @@ iget_failed:
err = PTR_ERR(inode);
inode = NULL;
bad_orphan:
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"bad orphan inode %lu! e2fsck was run?", ino);
printk(KERN_NOTICE "ext3_test_bit(bit=%d, block=%llu) = %d\n",
bit, (unsigned long long)bitmap_bh->b_blocknr,
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index c683609b0e3..cc47b76091b 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -95,7 +95,7 @@ int ext3_forget(handle_t *handle, int is_metadata, struct inode *inode,
BUFFER_TRACE(bh, "call ext3_journal_revoke");
err = ext3_journal_revoke(handle, blocknr, bh);
if (err)
- ext3_abort(inode->i_sb, __FUNCTION__,
+ ext3_abort(inode->i_sb, __func__,
"error %d when attempting revoke", err);
BUFFER_TRACE(bh, "exit");
return err;
@@ -1190,7 +1190,7 @@ int ext3_journal_dirty_data(handle_t *handle, struct buffer_head *bh)
{
int err = journal_dirty_data(handle, bh);
if (err)
- ext3_journal_abort_handle(__FUNCTION__, __FUNCTION__,
+ ext3_journal_abort_handle(__func__, __func__,
bh, handle, err);
return err;
}
@@ -2454,11 +2454,10 @@ out_stop:
static ext3_fsblk_t ext3_get_inode_block(struct super_block *sb,
unsigned long ino, struct ext3_iloc *iloc)
{
- unsigned long desc, group_desc, block_group;
+ unsigned long block_group;
unsigned long offset;
ext3_fsblk_t block;
- struct buffer_head *bh;
- struct ext3_group_desc * gdp;
+ struct ext3_group_desc *gdp;
if (!ext3_valid_inum(sb, ino)) {
/*
@@ -2470,27 +2469,15 @@ static ext3_fsblk_t ext3_get_inode_block(struct super_block *sb,
}
block_group = (ino - 1) / EXT3_INODES_PER_GROUP(sb);
- if (block_group >= EXT3_SB(sb)->s_groups_count) {
- ext3_error(sb,"ext3_get_inode_block","group >= groups count");
- return 0;
- }
- smp_rmb();
- group_desc = block_group >> EXT3_DESC_PER_BLOCK_BITS(sb);
- desc = block_group & (EXT3_DESC_PER_BLOCK(sb) - 1);
- bh = EXT3_SB(sb)->s_group_desc[group_desc];
- if (!bh) {
- ext3_error (sb, "ext3_get_inode_block",
- "Descriptor not loaded");
+ gdp = ext3_get_group_desc(sb, block_group, NULL);
+ if (!gdp)
return 0;
- }
-
- gdp = (struct ext3_group_desc *)bh->b_data;
/*
* Figure out the offset within the block group inode table
*/
offset = ((ino - 1) % EXT3_INODES_PER_GROUP(sb)) *
EXT3_INODE_SIZE(sb);
- block = le32_to_cpu(gdp[desc].bg_inode_table) +
+ block = le32_to_cpu(gdp->bg_inode_table) +
(offset >> EXT3_BLOCK_SIZE_BITS(sb));
iloc->block_group = block_group;
@@ -3214,7 +3201,7 @@ void ext3_dirty_inode(struct inode *inode)
current_handle->h_transaction != handle->h_transaction) {
/* This task has a transaction open against a different fs */
printk(KERN_EMERG "%s: transactions do not match!\n",
- __FUNCTION__);
+ __func__);
} else {
jbd_debug(5, "marking dirty. outer handle=%p\n",
current_handle);
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index dec3e0d88ab..0b8cf80154f 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -57,10 +57,15 @@ static struct buffer_head *ext3_append(handle_t *handle,
*block = inode->i_size >> inode->i_sb->s_blocksize_bits;
- if ((bh = ext3_bread(handle, inode, *block, 1, err))) {
+ bh = ext3_bread(handle, inode, *block, 1, err);
+ if (bh) {
inode->i_size += inode->i_sb->s_blocksize;
EXT3_I(inode)->i_disksize = inode->i_size;
- ext3_journal_get_write_access(handle,bh);
+ *err = ext3_journal_get_write_access(handle, bh);
+ if (*err) {
+ brelse(bh);
+ bh = NULL;
+ }
}
return bh;
}
@@ -356,7 +361,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
if (root->info.hash_version != DX_HASH_TEA &&
root->info.hash_version != DX_HASH_HALF_MD4 &&
root->info.hash_version != DX_HASH_LEGACY) {
- ext3_warning(dir->i_sb, __FUNCTION__,
+ ext3_warning(dir->i_sb, __func__,
"Unrecognised inode hash code %d",
root->info.hash_version);
brelse(bh);
@@ -370,7 +375,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
hash = hinfo->hash;
if (root->info.unused_flags & 1) {
- ext3_warning(dir->i_sb, __FUNCTION__,
+ ext3_warning(dir->i_sb, __func__,
"Unimplemented inode hash flags: %#06x",
root->info.unused_flags);
brelse(bh);
@@ -379,7 +384,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
}
if ((indirect = root->info.indirect_levels) > 1) {
- ext3_warning(dir->i_sb, __FUNCTION__,
+ ext3_warning(dir->i_sb, __func__,
"Unimplemented inode hash depth: %#06x",
root->info.indirect_levels);
brelse(bh);
@@ -392,7 +397,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
if (dx_get_limit(entries) != dx_root_limit(dir,
root->info.info_length)) {
- ext3_warning(dir->i_sb, __FUNCTION__,
+ ext3_warning(dir->i_sb, __func__,
"dx entry: limit != root limit");
brelse(bh);
*err = ERR_BAD_DX_DIR;
@@ -404,7 +409,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
{
count = dx_get_count(entries);
if (!count || count > dx_get_limit(entries)) {
- ext3_warning(dir->i_sb, __FUNCTION__,
+ ext3_warning(dir->i_sb, __func__,
"dx entry: no count or count > limit");
brelse(bh);
*err = ERR_BAD_DX_DIR;
@@ -449,7 +454,7 @@ dx_probe(struct dentry *dentry, struct inode *dir,
goto fail2;
at = entries = ((struct dx_node *) bh->b_data)->entries;
if (dx_get_limit(entries) != dx_node_limit (dir)) {
- ext3_warning(dir->i_sb, __FUNCTION__,
+ ext3_warning(dir->i_sb, __func__,
"dx entry: limit != node limit");
brelse(bh);
*err = ERR_BAD_DX_DIR;
@@ -465,7 +470,7 @@ fail2:
}
fail:
if (*err == ERR_BAD_DX_DIR)
- ext3_warning(dir->i_sb, __FUNCTION__,
+ ext3_warning(dir->i_sb, __func__,
"Corrupt dir inode %ld, running e2fsck is "
"recommended.", dir->i_ino);
return NULL;
@@ -913,7 +918,7 @@ restart:
wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
/* read error, skip block & hope for the best */
- ext3_error(sb, __FUNCTION__, "reading directory #%lu "
+ ext3_error(sb, __func__, "reading directory #%lu "
"offset %lu", dir->i_ino, block);
brelse(bh);
goto next;
@@ -1005,7 +1010,7 @@ static struct buffer_head * ext3_dx_find_entry(struct dentry *dentry,
retval = ext3_htree_next_block(dir, hash, frame,
frames, NULL);
if (retval < 0) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"error reading index page in directory #%lu",
dir->i_ino);
*err = retval;
@@ -1530,7 +1535,7 @@ static int ext3_dx_add_entry(handle_t *handle, struct dentry *dentry,
if (levels && (dx_get_count(frames->entries) ==
dx_get_limit(frames->entries))) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Directory index full!");
err = -ENOSPC;
goto cleanup;
@@ -1832,11 +1837,11 @@ static int empty_dir (struct inode * inode)
if (inode->i_size < EXT3_DIR_REC_LEN(1) + EXT3_DIR_REC_LEN(2) ||
!(bh = ext3_bread (NULL, inode, 0, 0, &err))) {
if (err)
- ext3_error(inode->i_sb, __FUNCTION__,
+ ext3_error(inode->i_sb, __func__,
"error %d reading directory #%lu offset 0",
err, inode->i_ino);
else
- ext3_warning(inode->i_sb, __FUNCTION__,
+ ext3_warning(inode->i_sb, __func__,
"bad directory (dir #%lu) - no data block",
inode->i_ino);
return 1;
@@ -1865,7 +1870,7 @@ static int empty_dir (struct inode * inode)
offset >> EXT3_BLOCK_SIZE_BITS(sb), 0, &err);
if (!bh) {
if (err)
- ext3_error(sb, __FUNCTION__,
+ ext3_error(sb, __func__,
"error %d reading directory"
" #%lu offset %lu",
err, inode->i_ino, offset);
@@ -2318,6 +2323,8 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
EXT3_FEATURE_INCOMPAT_FILETYPE))
new_de->file_type = old_de->file_type;
new_dir->i_version++;
+ new_dir->i_ctime = new_dir->i_mtime = CURRENT_TIME_SEC;
+ ext3_mark_inode_dirty(handle, new_dir);
BUFFER_TRACE(new_bh, "call ext3_journal_dirty_metadata");
ext3_journal_dirty_metadata(handle, new_bh);
brelse(new_bh);
diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c
index 0e97b6e07cb..28cfd0b4052 100644
--- a/fs/ext3/resize.c
+++ b/fs/ext3/resize.c
@@ -48,60 +48,60 @@ static int verify_group_input(struct super_block *sb,
free_blocks_count, input->reserved_blocks);
if (group != sbi->s_groups_count)
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Cannot add at group %u (only %lu groups)",
input->group, sbi->s_groups_count);
else if ((start - le32_to_cpu(es->s_first_data_block)) %
EXT3_BLOCKS_PER_GROUP(sb))
- ext3_warning(sb, __FUNCTION__, "Last group not full");
+ ext3_warning(sb, __func__, "Last group not full");
else if (input->reserved_blocks > input->blocks_count / 5)
- ext3_warning(sb, __FUNCTION__, "Reserved blocks too high (%u)",
+ ext3_warning(sb, __func__, "Reserved blocks too high (%u)",
input->reserved_blocks);
else if (free_blocks_count < 0)
- ext3_warning(sb, __FUNCTION__, "Bad blocks count %u",
+ ext3_warning(sb, __func__, "Bad blocks count %u",
input->blocks_count);
else if (!(bh = sb_bread(sb, end - 1)))
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Cannot read last block ("E3FSBLK")",
end - 1);
else if (outside(input->block_bitmap, start, end))
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Block bitmap not in group (block %u)",
input->block_bitmap);
else if (outside(input->inode_bitmap, start, end))
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Inode bitmap not in group (block %u)",
input->inode_bitmap);
else if (outside(input->inode_table, start, end) ||
outside(itend - 1, start, end))
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Inode table not in group (blocks %u-"E3FSBLK")",
input->inode_table, itend - 1);
else if (input->inode_bitmap == input->block_bitmap)
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Block bitmap same as inode bitmap (%u)",
input->block_bitmap);
else if (inside(input->block_bitmap, input->inode_table, itend))
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Block bitmap (%u) in inode table (%u-"E3FSBLK")",
input->block_bitmap, input->inode_table, itend-1);
else if (inside(input->inode_bitmap, input->inode_table, itend))
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Inode bitmap (%u) in inode table (%u-"E3FSBLK")",
input->inode_bitmap, input->inode_table, itend-1);
else if (inside(input->block_bitmap, start, metaend))
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Block bitmap (%u) in GDT table"
" ("E3FSBLK"-"E3FSBLK")",
input->block_bitmap, start, metaend - 1);
else if (inside(input->inode_bitmap, start, metaend))
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Inode bitmap (%u) in GDT table"
" ("E3FSBLK"-"E3FSBLK")",
input->inode_bitmap, start, metaend - 1);
else if (inside(input->inode_table, start, metaend) ||
inside(itend - 1, start, metaend))
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Inode table (%u-"E3FSBLK") overlaps"
"GDT table ("E3FSBLK"-"E3FSBLK")",
input->inode_table, itend - 1, start, metaend - 1);
@@ -386,7 +386,7 @@ static int verify_reserved_gdb(struct super_block *sb,
while ((grp = ext3_list_backups(sb, &three, &five, &seven)) < end) {
if (le32_to_cpu(*p++) != grp * EXT3_BLOCKS_PER_GROUP(sb) + blk){
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"reserved GDT "E3FSBLK
" missing grp %d ("E3FSBLK")",
blk, grp,
@@ -440,7 +440,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
*/
if (EXT3_SB(sb)->s_sbh->b_blocknr !=
le32_to_cpu(EXT3_SB(sb)->s_es->s_first_data_block)) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"won't resize using backup superblock at %llu",
(unsigned long long)EXT3_SB(sb)->s_sbh->b_blocknr);
return -EPERM;
@@ -464,7 +464,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
data = (__le32 *)dind->b_data;
if (le32_to_cpu(data[gdb_num % EXT3_ADDR_PER_BLOCK(sb)]) != gdblock) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"new group %u GDT block "E3FSBLK" not reserved",
input->group, gdblock);
err = -EINVAL;
@@ -488,7 +488,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
GFP_NOFS);
if (!n_group_desc) {
err = -ENOMEM;
- ext3_warning (sb, __FUNCTION__,
+ ext3_warning (sb, __func__,
"not enough memory for %lu groups", gdb_num + 1);
goto exit_inode;
}
@@ -586,7 +586,7 @@ static int reserve_backup_gdb(handle_t *handle, struct inode *inode,
/* Get each reserved primary GDT block and verify it holds backups */
for (res = 0; res < reserved_gdb; res++, blk++) {
if (le32_to_cpu(*data) != blk) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"reserved block "E3FSBLK
" not at offset %ld",
blk,
@@ -730,7 +730,7 @@ static void update_backups(struct super_block *sb,
*/
exit_err:
if (err) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"can't update backup for group %d (err %d), "
"forcing fsck on next reboot", group, err);
sbi->s_mount_state &= ~EXT3_VALID_FS;
@@ -770,33 +770,33 @@ int ext3_group_add(struct super_block *sb, struct ext3_new_group_data *input)
if (gdb_off == 0 && !EXT3_HAS_RO_COMPAT_FEATURE(sb,
EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Can't resize non-sparse filesystem further");
return -EPERM;
}
if (le32_to_cpu(es->s_blocks_count) + input->blocks_count <
le32_to_cpu(es->s_blocks_count)) {
- ext3_warning(sb, __FUNCTION__, "blocks_count overflow\n");
+ ext3_warning(sb, __func__, "blocks_count overflow\n");
return -EINVAL;
}
if (le32_to_cpu(es->s_inodes_count) + EXT3_INODES_PER_GROUP(sb) <
le32_to_cpu(es->s_inodes_count)) {
- ext3_warning(sb, __FUNCTION__, "inodes_count overflow\n");
+ ext3_warning(sb, __func__, "inodes_count overflow\n");
return -EINVAL;
}
if (reserved_gdb || gdb_off == 0) {
if (!EXT3_HAS_COMPAT_FEATURE(sb,
EXT3_FEATURE_COMPAT_RESIZE_INODE)){
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"No reserved GDT blocks, can't resize");
return -EPERM;
}
inode = ext3_iget(sb, EXT3_RESIZE_INO);
if (IS_ERR(inode)) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"Error opening resize inode");
return PTR_ERR(inode);
}
@@ -825,7 +825,7 @@ int ext3_group_add(struct super_block *sb, struct ext3_new_group_data *input)
lock_super(sb);
if (input->group != sbi->s_groups_count) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"multiple resizers run on filesystem!");
err = -EBUSY;
goto exit_journal;
@@ -988,13 +988,13 @@ int ext3_group_extend(struct super_block *sb, struct ext3_super_block *es,
" too large to resize to %lu blocks safely\n",
sb->s_id, n_blocks_count);
if (sizeof(sector_t) < 8)
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"CONFIG_LBD not enabled\n");
return -EINVAL;
}
if (n_blocks_count < o_blocks_count) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"can't shrink FS - resize aborted");
return -EBUSY;
}
@@ -1004,7 +1004,7 @@ int ext3_group_extend(struct super_block *sb, struct ext3_super_block *es,
EXT3_BLOCKS_PER_GROUP(sb);
if (last == 0) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"need to use ext2online to resize further");
return -EPERM;
}
@@ -1012,7 +1012,7 @@ int ext3_group_extend(struct super_block *sb, struct ext3_super_block *es,
add = EXT3_BLOCKS_PER_GROUP(sb) - last;
if (o_blocks_count + add < o_blocks_count) {
- ext3_warning(sb, __FUNCTION__, "blocks_count overflow");
+ ext3_warning(sb, __func__, "blocks_count overflow");
return -EINVAL;
}
@@ -1020,7 +1020,7 @@ int ext3_group_extend(struct super_block *sb, struct ext3_super_block *es,
add = n_blocks_count - o_blocks_count;
if (o_blocks_count + add < n_blocks_count)
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"will only finish group ("E3FSBLK
" blocks, %u new)",
o_blocks_count + add, add);
@@ -1028,7 +1028,7 @@ int ext3_group_extend(struct super_block *sb, struct ext3_super_block *es,
/* See if the device is actually as big as what was requested */
bh = sb_bread(sb, o_blocks_count + add -1);
if (!bh) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"can't read last block, resize aborted");
return -ENOSPC;
}
@@ -1040,22 +1040,23 @@ int ext3_group_extend(struct super_block *sb, struct ext3_super_block *es,
handle = ext3_journal_start_sb(sb, 3);
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
- ext3_warning(sb, __FUNCTION__, "error %d on journal start",err);
+ ext3_warning(sb, __func__, "error %d on journal start",err);
goto exit_put;
}
lock_super(sb);
if (o_blocks_count != le32_to_cpu(es->s_blocks_count)) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"multiple resizers run on filesystem!");
unlock_super(sb);
+ ext3_journal_stop(handle);
err = -EBUSY;
goto exit_put;
}
if ((err = ext3_journal_get_write_access(handle,
EXT3_SB(sb)->s_sbh))) {
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"error %d on journal write access", err);
unlock_super(sb);
ext3_journal_stop(handle);
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index ad536066408..fe3119a71ad 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -84,7 +84,7 @@ handle_t *ext3_journal_start_sb(struct super_block *sb, int nblocks)
* take the FS itself readonly cleanly. */
journal = EXT3_SB(sb)->s_journal;
if (is_journal_aborted(journal)) {
- ext3_abort(sb, __FUNCTION__,
+ ext3_abort(sb, __func__,
"Detected aborted journal");
return ERR_PTR(-EROFS);
}
@@ -304,7 +304,7 @@ void ext3_update_dynamic_rev(struct super_block *sb)
if (le32_to_cpu(es->s_rev_level) > EXT3_GOOD_OLD_REV)
return;
- ext3_warning(sb, __FUNCTION__,
+ ext3_warning(sb, __func__,
"updating to rev %d because of new feature flag, "
"running e2fsck is recommended",
EXT3_DYNAMIC_REV);
@@ -685,7 +685,8 @@ static int ext3_acquire_dquot(struct dquot *dquot);
static int ext3_release_dquot(struct dquot *dquot);
static int ext3_mark_dquot_dirty(struct dquot *dquot);
static int ext3_write_info(struct super_block *sb, int type);
-static int ext3_quota_on(struct super_block *sb, int type, int format_id, char *path);
+static int ext3_quota_on(struct super_block *sb, int type, int format_id,
+ char *path, int remount);
static int ext3_quota_on_mount(struct super_block *sb, int type);
static ssize_t ext3_quota_read(struct super_block *sb, int type, char *data,
size_t len, loff_t off);
@@ -1096,6 +1097,9 @@ clear_qf_name:
case Opt_quota:
case Opt_usrquota:
case Opt_grpquota:
+ printk(KERN_ERR
+ "EXT3-fs: quota options not supported.\n");
+ break;
case Opt_usrjquota:
case Opt_grpjquota:
case Opt_offusrjquota:
@@ -1103,7 +1107,7 @@ clear_qf_name:
case Opt_jqfmt_vfsold:
case Opt_jqfmt_vfsv0:
printk(KERN_ERR
- "EXT3-fs: journalled quota options not "
+ "EXT3-fs: journaled quota options not "
"supported.\n");
break;
case Opt_noquota:
@@ -1218,7 +1222,7 @@ static int ext3_setup_super(struct super_block *sb, struct ext3_super_block *es,
inconsistencies, to force a fsck at reboot. But for
a plain journaled filesystem we can keep it set as
valid forever! :) */
- es->s_state = cpu_to_le16(le16_to_cpu(es->s_state) & ~EXT3_VALID_FS);
+ es->s_state &= cpu_to_le16(~EXT3_VALID_FS);
#endif
if (!(__s16) le16_to_cpu(es->s_max_mnt_count))
es->s_max_mnt_count = cpu_to_le16(EXT3_DFL_MAX_MNT_COUNT);
@@ -1253,14 +1257,14 @@ static int ext3_setup_super(struct super_block *sb, struct ext3_super_block *es,
static int ext3_check_descriptors(struct super_block *sb)
{
struct ext3_sb_info *sbi = EXT3_SB(sb);
- ext3_fsblk_t first_block = le32_to_cpu(sbi->s_es->s_first_data_block);
- ext3_fsblk_t last_block;
int i;
ext3_debug ("Checking group descriptors");
for (i = 0; i < sbi->s_groups_count; i++) {
struct ext3_group_desc *gdp = ext3_get_group_desc(sb, i, NULL);
+ ext3_fsblk_t first_block = ext3_group_first_block_no(sb, i);
+ ext3_fsblk_t last_block;
if (i == sbi->s_groups_count - 1)
last_block = le32_to_cpu(sbi->s_es->s_blocks_count) - 1;
@@ -1299,7 +1303,6 @@ static int ext3_check_descriptors(struct super_block *sb)
le32_to_cpu(gdp->bg_inode_table));
return 0;
}
- first_block += EXT3_BLOCKS_PER_GROUP(sb);
}
sbi->s_es->s_free_blocks_count=cpu_to_le32(ext3_count_free_blocks(sb));
@@ -1387,7 +1390,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
if (inode->i_nlink) {
printk(KERN_DEBUG
"%s: truncating inode %lu to %Ld bytes\n",
- __FUNCTION__, inode->i_ino, inode->i_size);
+ __func__, inode->i_ino, inode->i_size);
jbd_debug(2, "truncating inode %lu to %Ld bytes\n",
inode->i_ino, inode->i_size);
ext3_truncate(inode);
@@ -1395,7 +1398,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
} else {
printk(KERN_DEBUG
"%s: deleting unreferenced inode %lu\n",
- __FUNCTION__, inode->i_ino);
+ __func__, inode->i_ino);
jbd_debug(2, "deleting unreferenced inode %lu\n",
inode->i_ino);
nr_orphans++;
@@ -1415,7 +1418,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
/* Turn quotas off */
for (i = 0; i < MAXQUOTAS; i++) {
if (sb_dqopt(sb)->files[i])
- vfs_quota_off(sb, i);
+ vfs_quota_off(sb, i, 0);
}
#endif
sb->s_flags = s_flags; /* Restore MS_RDONLY status */
@@ -2298,9 +2301,9 @@ static void ext3_clear_journal_err(struct super_block * sb,
char nbuf[16];
errstr = ext3_decode_error(sb, j_errno, nbuf);
- ext3_warning(sb, __FUNCTION__, "Filesystem error recorded "
+ ext3_warning(sb, __func__, "Filesystem error recorded "
"from previous mount: %s", errstr);
- ext3_warning(sb, __FUNCTION__, "Marking fs in need of "
+ ext3_warning(sb, __func__, "Marking fs in need of "
"filesystem check.");
EXT3_SB(sb)->s_mount_state |= EXT3_ERROR_FS;
@@ -2427,7 +2430,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
}
if (sbi->s_mount_opt & EXT3_MOUNT_ABORT)
- ext3_abort(sb, __FUNCTION__, "Abort forced by user");
+ ext3_abort(sb, __func__, "Abort forced by user");
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
((sbi->s_mount_opt & EXT3_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
@@ -2639,8 +2642,14 @@ static int ext3_dquot_drop(struct inode *inode)
/* We may delete quota structure so we need to reserve enough blocks */
handle = ext3_journal_start(inode, 2*EXT3_QUOTA_DEL_BLOCKS(inode->i_sb));
- if (IS_ERR(handle))
+ if (IS_ERR(handle)) {
+ /*
+ * We call dquot_drop() anyway to at least release references
+ * to quota structures so that umount does not hang.
+ */
+ dquot_drop(inode);
return PTR_ERR(handle);
+ }
ret = dquot_drop(inode);
err = ext3_journal_stop(handle);
if (!ret)
@@ -2743,17 +2752,17 @@ static int ext3_quota_on_mount(struct super_block *sb, int type)
* Standard function to be called on quota_on
*/
static int ext3_quota_on(struct super_block *sb, int type, int format_id,
- char *path)
+ char *path, int remount)
{
int err;
struct nameidata nd;
if (!test_opt(sb, QUOTA))
return -EINVAL;
- /* Not journalling quota? */
- if (!EXT3_SB(sb)->s_qf_names[USRQUOTA] &&
- !EXT3_SB(sb)->s_qf_names[GRPQUOTA])
- return vfs_quota_on(sb, type, format_id, path);
+ /* Not journalling quota or remount? */
+ if ((!EXT3_SB(sb)->s_qf_names[USRQUOTA] &&
+ !EXT3_SB(sb)->s_qf_names[GRPQUOTA]) || remount)
+ return vfs_quota_on(sb, type, format_id, path, remount);
err = path_lookup(path, LOOKUP_FOLLOW, &nd);
if (err)
return err;
@@ -2762,13 +2771,13 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id,
path_put(&nd.path);
return -EXDEV;
}
- /* Quotafile not of fs root? */
+ /* Quotafile not in fs root? */
if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
printk(KERN_WARNING
"EXT3-fs: Quota file not on filesystem root. "
"Journalled quota will not work.\n");
path_put(&nd.path);
- return vfs_quota_on(sb, type, format_id, path);
+ return vfs_quota_on(sb, type, format_id, path, remount);
}
/* Read data from quotafile - avoid pagecache and such because we cannot afford
diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c
index 42856541e9a..d4a4f0e9ff6 100644
--- a/fs/ext3/xattr.c
+++ b/fs/ext3/xattr.c
@@ -99,6 +99,8 @@ static struct buffer_head *ext3_xattr_cache_find(struct inode *,
struct mb_cache_entry **);
static void ext3_xattr_rehash(struct ext3_xattr_header *,
struct ext3_xattr_entry *);
+static int ext3_xattr_list(struct inode *inode, char *buffer,
+ size_t buffer_size);
static struct mb_cache *ext3_xattr_cache;
@@ -232,7 +234,7 @@ ext3_xattr_block_get(struct inode *inode, int name_index, const char *name,
ea_bdebug(bh, "b_count=%d, refcount=%d",
atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
if (ext3_xattr_check_block(bh)) {
-bad_block: ext3_error(inode->i_sb, __FUNCTION__,
+bad_block: ext3_error(inode->i_sb, __func__,
"inode %lu: bad block "E3FSBLK, inode->i_ino,
EXT3_I(inode)->i_file_acl);
error = -EIO;
@@ -374,7 +376,7 @@ ext3_xattr_block_list(struct inode *inode, char *buffer, size_t buffer_size)
ea_bdebug(bh, "b_count=%d, refcount=%d",
atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
if (ext3_xattr_check_block(bh)) {
- ext3_error(inode->i_sb, __FUNCTION__,
+ ext3_error(inode->i_sb, __func__,
"inode %lu: bad block "E3FSBLK, inode->i_ino,
EXT3_I(inode)->i_file_acl);
error = -EIO;
@@ -427,7 +429,7 @@ cleanup:
* Returns a negative error number on failure, or the number of bytes
* used / required on success.
*/
-int
+static int
ext3_xattr_list(struct inode *inode, char *buffer, size_t buffer_size)
{
int i_error, b_error;
@@ -649,7 +651,7 @@ ext3_xattr_block_find(struct inode *inode, struct ext3_xattr_info *i,
atomic_read(&(bs->bh->b_count)),
le32_to_cpu(BHDR(bs->bh)->h_refcount));
if (ext3_xattr_check_block(bs->bh)) {
- ext3_error(sb, __FUNCTION__,
+ ext3_error(sb, __func__,
"inode %lu: bad block "E3FSBLK, inode->i_ino,
EXT3_I(inode)->i_file_acl);
error = -EIO;
@@ -797,10 +799,8 @@ inserted:
get_bh(new_bh);
} else {
/* We need to allocate a new block */
- ext3_fsblk_t goal = le32_to_cpu(
- EXT3_SB(sb)->s_es->s_first_data_block) +
- (ext3_fsblk_t)EXT3_I(inode)->i_block_group *
- EXT3_BLOCKS_PER_GROUP(sb);
+ ext3_fsblk_t goal = ext3_group_first_block_no(sb,
+ EXT3_I(inode)->i_block_group);
ext3_fsblk_t block = ext3_new_block(handle, inode,
goal, &error);
if (error)
@@ -852,7 +852,7 @@ cleanup_dquot:
goto cleanup;
bad_block:
- ext3_error(inode->i_sb, __FUNCTION__,
+ ext3_error(inode->i_sb, __func__,
"inode %lu: bad block "E3FSBLK, inode->i_ino,
EXT3_I(inode)->i_file_acl);
goto cleanup;
@@ -1081,14 +1081,14 @@ ext3_xattr_delete_inode(handle_t *handle, struct inode *inode)
goto cleanup;
bh = sb_bread(inode->i_sb, EXT3_I(inode)->i_file_acl);
if (!bh) {
- ext3_error(inode->i_sb, __FUNCTION__,
+ ext3_error(inode->i_sb, __func__,
"inode %lu: block "E3FSBLK" read error", inode->i_ino,
EXT3_I(inode)->i_file_acl);
goto cleanup;
}
if (BHDR(bh)->h_magic != cpu_to_le32(EXT3_XATTR_MAGIC) ||
BHDR(bh)->h_blocks != cpu_to_le32(1)) {
- ext3_error(inode->i_sb, __FUNCTION__,
+ ext3_error(inode->i_sb, __func__,
"inode %lu: bad block "E3FSBLK, inode->i_ino,
EXT3_I(inode)->i_file_acl);
goto cleanup;
@@ -1215,7 +1215,7 @@ again:
}
bh = sb_bread(inode->i_sb, ce->e_block);
if (!bh) {
- ext3_error(inode->i_sb, __FUNCTION__,
+ ext3_error(inode->i_sb, __func__,
"inode %lu: block %lu read error",
inode->i_ino, (unsigned long) ce->e_block);
} else if (le32_to_cpu(BHDR(bh)->h_refcount) >=
diff --git a/fs/ext3/xattr.h b/fs/ext3/xattr.h
index 6b1ae1c6182..148a4dfc82a 100644
--- a/fs/ext3/xattr.h
+++ b/fs/ext3/xattr.h
@@ -67,7 +67,6 @@ extern struct xattr_handler ext3_xattr_security_handler;
extern ssize_t ext3_listxattr(struct dentry *, char *, size_t);
extern int ext3_xattr_get(struct inode *, int, const char *, void *, size_t);
-extern int ext3_xattr_list(struct inode *, char *, size_t);
extern int ext3_xattr_set(struct inode *, int, const char *, const void *, size_t, int);
extern int ext3_xattr_set_handle(handle_t *, struct inode *, int, const char *, const void *, size_t, int);
@@ -89,12 +88,6 @@ ext3_xattr_get(struct inode *inode, int name_index, const char *name,
}
static inline int
-ext3_xattr_list(struct inode *inode, void *buffer, size_t size)
-{
- return -EOPNOTSUPP;
-}
-
-static inline int
ext3_xattr_set(struct inode *inode, int name_index, const char *name,
const void *value, size_t size, int flags)
{
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 13383ba18f1..c81a8e759ba 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -813,7 +813,8 @@ static int ext4_acquire_dquot(struct dquot *dquot);
static int ext4_release_dquot(struct dquot *dquot);
static int ext4_mark_dquot_dirty(struct dquot *dquot);
static int ext4_write_info(struct super_block *sb, int type);
-static int ext4_quota_on(struct super_block *sb, int type, int format_id, char *path);
+static int ext4_quota_on(struct super_block *sb, int type, int format_id,
+ char *path, int remount);
static int ext4_quota_on_mount(struct super_block *sb, int type);
static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data,
size_t len, loff_t off);
@@ -1632,7 +1633,7 @@ static void ext4_orphan_cleanup (struct super_block * sb,
/* Turn quotas off */
for (i = 0; i < MAXQUOTAS; i++) {
if (sb_dqopt(sb)->files[i])
- vfs_quota_off(sb, i);
+ vfs_quota_off(sb, i, 0);
}
#endif
sb->s_flags = s_flags; /* Restore MS_RDONLY status */
@@ -3143,7 +3144,7 @@ static int ext4_quota_on_mount(struct super_block *sb, int type)
* Standard function to be called on quota_on
*/
static int ext4_quota_on(struct super_block *sb, int type, int format_id,
- char *path)
+ char *path, int remount)
{
int err;
struct nameidata nd;
@@ -3151,9 +3152,9 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
if (!test_opt(sb, QUOTA))
return -EINVAL;
/* Not journalling quota? */
- if (!EXT4_SB(sb)->s_qf_names[USRQUOTA] &&
- !EXT4_SB(sb)->s_qf_names[GRPQUOTA])
- return vfs_quota_on(sb, type, format_id, path);
+ if ((!EXT4_SB(sb)->s_qf_names[USRQUOTA] &&
+ !EXT4_SB(sb)->s_qf_names[GRPQUOTA]) || remount)
+ return vfs_quota_on(sb, type, format_id, path, remount);
err = path_lookup(path, LOOKUP_FOLLOW, &nd);
if (err)
return err;
@@ -3168,7 +3169,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
"EXT4-fs: Quota file not on filesystem root. "
"Journalled quota will not work.\n");
path_put(&nd.path);
- return vfs_quota_on(sb, type, format_id, path);
+ return vfs_quota_on(sb, type, format_id, path, remount);
}
/* Read data from quotafile - avoid pagecache and such because we cannot afford
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 72cbcd61bd9..486725ee99a 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -124,8 +124,8 @@ static inline int fat_get_entry(struct inode *dir, loff_t *pos,
* but ignore that right now.
* Ahem... Stack smashing in ring 0 isn't fun. Fixed.
*/
-static int uni16_to_x8(unsigned char *ascii, wchar_t *uni, int uni_xlate,
- struct nls_table *nls)
+static int uni16_to_x8(unsigned char *ascii, wchar_t *uni, int len,
+ int uni_xlate, struct nls_table *nls)
{
wchar_t *ip, ec;
unsigned char *op, nc;
@@ -135,10 +135,11 @@ static int uni16_to_x8(unsigned char *ascii, wchar_t *uni, int uni_xlate,
ip = uni;
op = ascii;
- while (*ip) {
+ while (*ip && ((len - NLS_MAX_CHARSET_SIZE) > 0)) {
ec = *ip++;
if ( (charlen = nls->uni2char(ec, op, NLS_MAX_CHARSET_SIZE)) > 0) {
op += charlen;
+ len -= charlen;
} else {
if (uni_xlate == 1) {
*op = ':';
@@ -149,16 +150,19 @@ static int uni16_to_x8(unsigned char *ascii, wchar_t *uni, int uni_xlate,
ec >>= 4;
}
op += 5;
+ len -= 5;
} else {
*op++ = '?';
+ len--;
}
}
- /* We have some slack there, so it's OK */
- if (op>ascii+256) {
- op = ascii + 256;
- break;
- }
}
+
+ if (unlikely(*ip)) {
+ printk(KERN_WARNING "FAT: filename was truncated while "
+ "converting.");
+ }
+
*op = 0;
return (op - ascii);
}
@@ -243,7 +247,7 @@ static int fat_parse_long(struct inode *dir, loff_t *pos,
unsigned char id, slot, slots, alias_checksum;
if (!*unicode) {
- *unicode = (wchar_t *)__get_free_page(GFP_KERNEL);
+ *unicode = __getname();
if (!*unicode) {
brelse(*bh);
return -ENOMEM;
@@ -311,9 +315,11 @@ int fat_search_long(struct inode *inode, const unsigned char *name,
struct nls_table *nls_io = sbi->nls_io;
struct nls_table *nls_disk = sbi->nls_disk;
wchar_t bufuname[14];
- unsigned char xlate_len, nr_slots;
+ unsigned char nr_slots;
+ int xlate_len;
wchar_t *unicode = NULL;
- unsigned char work[MSDOS_NAME], bufname[260]; /* 256 + 4 */
+ unsigned char work[MSDOS_NAME];
+ unsigned char *bufname = NULL;
int uni_xlate = sbi->options.unicode_xlate;
int utf8 = sbi->options.utf8;
int anycase = (sbi->options.name_check != 's');
@@ -321,6 +327,10 @@ int fat_search_long(struct inode *inode, const unsigned char *name,
loff_t cpos = 0;
int chl, i, j, last_u, err;
+ bufname = __getname();
+ if (!bufname)
+ return -ENOMEM;
+
err = -ENOENT;
while(1) {
if (fat_get_entry(inode, &cpos, &bh, &de) == -1)
@@ -386,8 +396,8 @@ parse_record:
bufuname[last_u] = 0x0000;
xlate_len = utf8
- ?utf8_wcstombs(bufname, bufuname, sizeof(bufname))
- :uni16_to_x8(bufname, bufuname, uni_xlate, nls_io);
+ ?utf8_wcstombs(bufname, bufuname, PATH_MAX)
+ :uni16_to_x8(bufname, bufuname, PATH_MAX, uni_xlate, nls_io);
if (xlate_len == name_len)
if ((!anycase && !memcmp(name, bufname, xlate_len)) ||
(anycase && !nls_strnicmp(nls_io, name, bufname,
@@ -396,8 +406,8 @@ parse_record:
if (nr_slots) {
xlate_len = utf8
- ?utf8_wcstombs(bufname, unicode, sizeof(bufname))
- :uni16_to_x8(bufname, unicode, uni_xlate, nls_io);
+ ?utf8_wcstombs(bufname, unicode, PATH_MAX)
+ :uni16_to_x8(bufname, unicode, PATH_MAX, uni_xlate, nls_io);
if (xlate_len != name_len)
continue;
if ((!anycase && !memcmp(name, bufname, xlate_len)) ||
@@ -416,8 +426,10 @@ Found:
sinfo->i_pos = fat_make_i_pos(sb, sinfo->bh, sinfo->de);
err = 0;
EODir:
+ if (bufname)
+ __putname(bufname);
if (unicode)
- free_page((unsigned long)unicode);
+ __putname(unicode);
return err;
}
@@ -598,7 +610,7 @@ parse_record:
if (isvfat) {
bufuname[j] = 0x0000;
i = utf8 ? utf8_wcstombs(bufname, bufuname, sizeof(bufname))
- : uni16_to_x8(bufname, bufuname, uni_xlate, nls_io);
+ : uni16_to_x8(bufname, bufuname, sizeof(bufname), uni_xlate, nls_io);
}
fill_name = bufname;
@@ -607,10 +619,10 @@ parse_record:
/* convert the unicode long name. 261 is maximum size
* of unicode buffer. (13 * slots + nul) */
void *longname = unicode + 261;
- int buf_size = PAGE_SIZE - (261 * sizeof(unicode[0]));
+ int buf_size = PATH_MAX - (261 * sizeof(unicode[0]));
int long_len = utf8
? utf8_wcstombs(longname, unicode, buf_size)
- : uni16_to_x8(longname, unicode, uni_xlate, nls_io);
+ : uni16_to_x8(longname, unicode, buf_size, uni_xlate, nls_io);
if (!both) {
fill_name = longname;
@@ -640,7 +652,7 @@ EODir:
FillFailed:
brelse(bh);
if (unicode)
- free_page((unsigned long)unicode);
+ __putname(unicode);
out:
unlock_kernel();
return ret;
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 5fb366992b7..13ab763cc51 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -450,7 +450,8 @@ int fat_alloc_clusters(struct inode *inode, int *cluster, int nr_cluster)
BUG_ON(nr_cluster > (MAX_BUF_PER_PAGE / 2)); /* fixed limit */
lock_fat(sbi);
- if (sbi->free_clusters != -1 && sbi->free_clusters < nr_cluster) {
+ if (sbi->free_clusters != -1 && sbi->free_clus_valid &&
+ sbi->free_clusters < nr_cluster) {
unlock_fat(sbi);
return -ENOSPC;
}
@@ -504,6 +505,7 @@ int fat_alloc_clusters(struct inode *inode, int *cluster, int nr_cluster)
/* Couldn't allocate the free entries */
sbi->free_clusters = 0;
+ sbi->free_clus_valid = 1;
sb->s_dirt = 1;
err = -ENOSPC;
@@ -583,8 +585,6 @@ error:
brelse(bhs[i]);
unlock_fat(sbi);
- fat_clusters_flush(sb);
-
return err;
}
@@ -615,7 +615,7 @@ int fat_count_free_clusters(struct super_block *sb)
int err = 0, free;
lock_fat(sbi);
- if (sbi->free_clusters != -1)
+ if (sbi->free_clusters != -1 && sbi->free_clus_valid)
goto out;
reada_blocks = FAT_READA_SIZE >> sb->s_blocksize_bits;
@@ -643,6 +643,7 @@ int fat_count_free_clusters(struct super_block *sb)
} while (fat_ent_next(sbi, &fatent));
}
sbi->free_clusters = free;
+ sbi->free_clus_valid = 1;
sb->s_dirt = 1;
fatent_brelse(&fatent);
out:
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 2a3bed96704..d604bb13242 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -157,104 +157,6 @@ out:
return err;
}
-static int check_mode(const struct msdos_sb_info *sbi, mode_t mode)
-{
- mode_t req = mode & ~S_IFMT;
-
- /*
- * Of the r and x bits, all (subject to umask) must be present. Of the
- * w bits, either all (subject to umask) or none must be present.
- */
-
- if (S_ISREG(mode)) {
- req &= ~sbi->options.fs_fmask;
-
- if ((req & (S_IRUGO | S_IXUGO)) !=
- ((S_IRUGO | S_IXUGO) & ~sbi->options.fs_fmask))
- return -EPERM;
-
- if ((req & S_IWUGO) != 0 &&
- (req & S_IWUGO) != (S_IWUGO & ~sbi->options.fs_fmask))
- return -EPERM;
- } else if (S_ISDIR(mode)) {
- req &= ~sbi->options.fs_dmask;
-
- if ((req & (S_IRUGO | S_IXUGO)) !=
- ((S_IRUGO | S_IXUGO) & ~sbi->options.fs_dmask))
- return -EPERM;
-
- if ((req & S_IWUGO) != 0 &&
- (req & S_IWUGO) != (S_IWUGO & ~sbi->options.fs_dmask))
- return -EPERM;
- } else {
- return -EPERM;
- }
-
- return 0;
-}
-
-int fat_notify_change(struct dentry *dentry, struct iattr *attr)
-{
- struct msdos_sb_info *sbi = MSDOS_SB(dentry->d_sb);
- struct inode *inode = dentry->d_inode;
- int mask, error = 0;
-
- lock_kernel();
-
- /*
- * Expand the file. Since inode_setattr() updates ->i_size
- * before calling the ->truncate(), but FAT needs to fill the
- * hole before it.
- */
- if (attr->ia_valid & ATTR_SIZE) {
- if (attr->ia_size > inode->i_size) {
- error = fat_cont_expand(inode, attr->ia_size);
- if (error || attr->ia_valid == ATTR_SIZE)
- goto out;
- attr->ia_valid &= ~ATTR_SIZE;
- }
- }
-
- error = inode_change_ok(inode, attr);
- if (error) {
- if (sbi->options.quiet)
- error = 0;
- goto out;
- }
- if (((attr->ia_valid & ATTR_UID) &&
- (attr->ia_uid != sbi->options.fs_uid)) ||
- ((attr->ia_valid & ATTR_GID) &&
- (attr->ia_gid != sbi->options.fs_gid)))
- error = -EPERM;
-
- if (error) {
- if (sbi->options.quiet)
- error = 0;
- goto out;
- }
-
- if (attr->ia_valid & ATTR_MODE) {
- error = check_mode(sbi, attr->ia_mode);
- if (error != 0 && !sbi->options.quiet)
- goto out;
- }
-
- error = inode_setattr(inode, attr);
- if (error)
- goto out;
-
- if (S_ISDIR(inode->i_mode))
- mask = sbi->options.fs_dmask;
- else
- mask = sbi->options.fs_fmask;
- inode->i_mode &= S_IFMT | (S_IRWXUGO & ~mask);
-out:
- unlock_kernel();
- return error;
-}
-
-EXPORT_SYMBOL_GPL(fat_notify_change);
-
/* Free all clusters after the skip'th cluster. */
static int fat_free(struct inode *inode, int skip)
{
@@ -355,8 +257,112 @@ int fat_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
}
EXPORT_SYMBOL_GPL(fat_getattr);
+static int fat_check_mode(const struct msdos_sb_info *sbi, struct inode *inode,
+ mode_t mode)
+{
+ mode_t mask, req = mode & ~S_IFMT;
+
+ if (S_ISREG(mode))
+ mask = sbi->options.fs_fmask;
+ else
+ mask = sbi->options.fs_dmask;
+
+ /*
+ * Of the r and x bits, all (subject to umask) must be present. Of the
+ * w bits, either all (subject to umask) or none must be present.
+ */
+ req &= ~mask;
+ if ((req & (S_IRUGO | S_IXUGO)) != (inode->i_mode & (S_IRUGO|S_IXUGO)))
+ return -EPERM;
+ if ((req & S_IWUGO) && ((req & S_IWUGO) != (S_IWUGO & ~mask)))
+ return -EPERM;
+
+ return 0;
+}
+
+static int fat_allow_set_time(struct msdos_sb_info *sbi, struct inode *inode)
+{
+ mode_t allow_utime = sbi->options.allow_utime;
+
+ if (current->fsuid != inode->i_uid) {
+ if (in_group_p(inode->i_gid))
+ allow_utime >>= 3;
+ if (allow_utime & MAY_WRITE)
+ return 1;
+ }
+
+ /* use a default check */
+ return 0;
+}
+
+int fat_setattr(struct dentry *dentry, struct iattr *attr)
+{
+ struct msdos_sb_info *sbi = MSDOS_SB(dentry->d_sb);
+ struct inode *inode = dentry->d_inode;
+ int mask, error = 0;
+ unsigned int ia_valid;
+
+ lock_kernel();
+
+ /*
+ * Expand the file. Since inode_setattr() updates ->i_size
+ * before calling the ->truncate(), but FAT needs to fill the
+ * hole before it.
+ */
+ if (attr->ia_valid & ATTR_SIZE) {
+ if (attr->ia_size > inode->i_size) {
+ error = fat_cont_expand(inode, attr->ia_size);
+ if (error || attr->ia_valid == ATTR_SIZE)
+ goto out;
+ attr->ia_valid &= ~ATTR_SIZE;
+ }
+ }
+
+ /* Check for setting the inode time. */
+ ia_valid = attr->ia_valid;
+ if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET)) {
+ if (fat_allow_set_time(sbi, inode))
+ attr->ia_valid &= ~(ATTR_MTIME_SET | ATTR_ATIME_SET);
+ }
+
+ error = inode_change_ok(inode, attr);
+ attr->ia_valid = ia_valid;
+ if (error) {
+ if (sbi->options.quiet)
+ error = 0;
+ goto out;
+ }
+ if (((attr->ia_valid & ATTR_UID) &&
+ (attr->ia_uid != sbi->options.fs_uid)) ||
+ ((attr->ia_valid & ATTR_GID) &&
+ (attr->ia_gid != sbi->options.fs_gid)) ||
+ ((attr->ia_valid & ATTR_MODE) &&
+ fat_check_mode(sbi, inode, attr->ia_mode) < 0))
+ error = -EPERM;
+
+ if (error) {
+ if (sbi->options.quiet)
+ error = 0;
+ goto out;
+ }
+
+ error = inode_setattr(inode, attr);
+ if (error)
+ goto out;
+
+ if (S_ISDIR(inode->i_mode))
+ mask = sbi->options.fs_dmask;
+ else
+ mask = sbi->options.fs_fmask;
+ inode->i_mode &= S_IFMT | (S_IRWXUGO & ~mask);
+out:
+ unlock_kernel();
+ return error;
+}
+EXPORT_SYMBOL_GPL(fat_setattr);
+
const struct inode_operations fat_file_inode_operations = {
.truncate = fat_truncate,
- .setattr = fat_notify_change,
+ .setattr = fat_setattr,
.getattr = fat_getattr,
};
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 53f3cf62b7c..5f522a55b59 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -433,11 +433,8 @@ EXPORT_SYMBOL_GPL(fat_build_inode);
static void fat_delete_inode(struct inode *inode)
{
truncate_inode_pages(&inode->i_data, 0);
-
- if (!is_bad_inode(inode)) {
- inode->i_size = 0;
- fat_truncate(inode);
- }
+ inode->i_size = 0;
+ fat_truncate(inode);
clear_inode(inode);
}
@@ -445,8 +442,6 @@ static void fat_clear_inode(struct inode *inode)
{
struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb);
- if (is_bad_inode(inode))
- return;
lock_kernel();
spin_lock(&sbi->inode_hash_lock);
fat_cache_inval_inode(inode);
@@ -542,7 +537,7 @@ static int fat_statfs(struct dentry *dentry, struct kstatfs *buf)
struct msdos_sb_info *sbi = MSDOS_SB(dentry->d_sb);
/* If the count of free cluster is still unknown, counts it here. */
- if (sbi->free_clusters == -1) {
+ if (sbi->free_clusters == -1 || !sbi->free_clus_valid) {
int err = fat_count_free_clusters(dentry->d_sb);
if (err)
return err;
@@ -790,6 +785,8 @@ static int fat_show_options(struct seq_file *m, struct vfsmount *mnt)
seq_printf(m, ",gid=%u", opts->fs_gid);
seq_printf(m, ",fmask=%04o", opts->fs_fmask);
seq_printf(m, ",dmask=%04o", opts->fs_dmask);
+ if (opts->allow_utime)
+ seq_printf(m, ",allow_utime=%04o", opts->allow_utime);
if (sbi->nls_disk)
seq_printf(m, ",codepage=%s", sbi->nls_disk->charset);
if (isvfat) {
@@ -845,9 +842,9 @@ static int fat_show_options(struct seq_file *m, struct vfsmount *mnt)
enum {
Opt_check_n, Opt_check_r, Opt_check_s, Opt_uid, Opt_gid,
- Opt_umask, Opt_dmask, Opt_fmask, Opt_codepage, Opt_usefree, Opt_nocase,
- Opt_quiet, Opt_showexec, Opt_debug, Opt_immutable,
- Opt_dots, Opt_nodots,
+ Opt_umask, Opt_dmask, Opt_fmask, Opt_allow_utime, Opt_codepage,
+ Opt_usefree, Opt_nocase, Opt_quiet, Opt_showexec, Opt_debug,
+ Opt_immutable, Opt_dots, Opt_nodots,
Opt_charset, Opt_shortname_lower, Opt_shortname_win95,
Opt_shortname_winnt, Opt_shortname_mixed, Opt_utf8_no, Opt_utf8_yes,
Opt_uni_xl_no, Opt_uni_xl_yes, Opt_nonumtail_no, Opt_nonumtail_yes,
@@ -866,6 +863,7 @@ static match_table_t fat_tokens = {
{Opt_umask, "umask=%o"},
{Opt_dmask, "dmask=%o"},
{Opt_fmask, "fmask=%o"},
+ {Opt_allow_utime, "allow_utime=%o"},
{Opt_codepage, "codepage=%u"},
{Opt_usefree, "usefree"},
{Opt_nocase, "nocase"},
@@ -937,6 +935,7 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug,
opts->fs_uid = current->uid;
opts->fs_gid = current->gid;
opts->fs_fmask = opts->fs_dmask = current->fs->umask;
+ opts->allow_utime = -1;
opts->codepage = fat_default_codepage;
opts->iocharset = fat_default_iocharset;
if (is_vfat)
@@ -1024,6 +1023,11 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug,
return 0;
opts->fs_fmask = option;
break;
+ case Opt_allow_utime:
+ if (match_octal(&args[0], &option))
+ return 0;
+ opts->allow_utime = option & (S_IWGRP | S_IWOTH);
+ break;
case Opt_codepage:
if (match_int(&args[0], &option))
return 0;
@@ -1106,6 +1110,9 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug,
" for FAT filesystems, filesystem will be case sensitive!\n");
}
+ /* If user doesn't specify allow_utime, it's initialized from dmask. */
+ if (opts->allow_utime == (unsigned short)-1)
+ opts->allow_utime = ~opts->fs_dmask & (S_IWGRP | S_IWOTH);
if (opts->unicode_xlate)
opts->utf8 = 0;
@@ -1208,7 +1215,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent,
*/
media = b->media;
- if (!FAT_VALID_MEDIA(media)) {
+ if (!fat_valid_media(media)) {
if (!silent)
printk(KERN_ERR "FAT: invalid media value (0x%02x)\n",
media);
@@ -1219,7 +1226,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent,
le16_to_cpu(get_unaligned((__le16 *)&b->sector_size));
if (!is_power_of_2(logical_sector_size)
|| (logical_sector_size < 512)
- || (PAGE_CACHE_SIZE < logical_sector_size)) {
+ || (logical_sector_size > 4096)) {
if (!silent)
printk(KERN_ERR "FAT: bogus logical sector size %u\n",
logical_sector_size);
@@ -1267,6 +1274,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent,
sbi->fat_length = le16_to_cpu(b->fat_length);
sbi->root_cluster = 0;
sbi->free_clusters = -1; /* Don't know yet */
+ sbi->free_clus_valid = 0;
sbi->prev_free = FAT_START_ENT;
if (!sbi->fat_length && b->fat32_length) {
@@ -1302,8 +1310,8 @@ int fat_fill_super(struct super_block *sb, void *data, int silent,
sbi->fsinfo_sector);
} else {
if (sbi->options.usefree)
- sbi->free_clusters =
- le32_to_cpu(fsinfo->free_clusters);
+ sbi->free_clus_valid = 1;
+ sbi->free_clusters = le32_to_cpu(fsinfo->free_clusters);
sbi->prev_free = le32_to_cpu(fsinfo->next_cluster);
}
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 90a04a6e378..f55394e57cb 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -438,7 +438,7 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
int error;
/*
- * Due to the order of unstuffing files and ->nopage(), we can be
+ * Due to the order of unstuffing files and ->fault(), we can be
* asked for a zero page in the case of a stuffed file being extended,
* so we need to supply one here. It doesn't happen often.
*/
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 6846785fe90..9783723e8ff 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -504,7 +504,7 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid,
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
INIT_LIST_HEAD(&inode->i_mapping->private_list);
info = HUGETLBFS_I(inode);
- mpol_shared_policy_init(&info->policy, MPOL_DEFAULT, NULL);
+ mpol_shared_policy_init(&info->policy, NULL);
switch (mode & S_IFMT) {
default:
init_special_inode(inode, mode, dev);
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index a38c7186c57..cd931ef1f00 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -407,22 +407,6 @@ void journal_commit_transaction(journal_t *journal)
jbd_debug (3, "JBD: commit phase 2\n");
/*
- * First, drop modified flag: all accesses to the buffers
- * will be tracked for a new trasaction only -bzzz
- */
- spin_lock(&journal->j_list_lock);
- if (commit_transaction->t_buffers) {
- new_jh = jh = commit_transaction->t_buffers->b_tnext;
- do {
- J_ASSERT_JH(new_jh, new_jh->b_modified == 1 ||
- new_jh->b_modified == 0);
- new_jh->b_modified = 0;
- new_jh = new_jh->b_tnext;
- } while (new_jh != jh);
- }
- spin_unlock(&journal->j_list_lock);
-
- /*
* Now start flushing things to disk, in the order they appear
* on the transaction lists. Data blocks go first.
*/
@@ -488,6 +472,9 @@ void journal_commit_transaction(journal_t *journal)
*/
commit_transaction->t_state = T_COMMIT;
+ J_ASSERT(commit_transaction->t_nr_buffers <=
+ commit_transaction->t_outstanding_credits);
+
descriptor = NULL;
bufs = 0;
while (commit_transaction->t_buffers) {
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 0e081d5f32e..b99c3b3654c 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -534,7 +534,7 @@ int log_wait_commit(journal_t *journal, tid_t tid)
if (!tid_geq(journal->j_commit_request, tid)) {
printk(KERN_EMERG
"%s: error: j_commit_request=%d, tid=%d\n",
- __FUNCTION__, journal->j_commit_request, tid);
+ __func__, journal->j_commit_request, tid);
}
spin_unlock(&journal->j_state_lock);
#endif
@@ -599,7 +599,7 @@ int journal_bmap(journal_t *journal, unsigned long blocknr,
printk(KERN_ALERT "%s: journal block not found "
"at offset %lu on %s\n",
- __FUNCTION__,
+ __func__,
blocknr,
bdevname(journal->j_dev, b));
err = -EIO;
@@ -728,7 +728,7 @@ journal_t * journal_init_dev(struct block_device *bdev,
journal->j_wbuf = kmalloc(n * sizeof(struct buffer_head*), GFP_KERNEL);
if (!journal->j_wbuf) {
printk(KERN_ERR "%s: Cant allocate bhs for commit thread\n",
- __FUNCTION__);
+ __func__);
kfree(journal);
journal = NULL;
goto out;
@@ -782,7 +782,7 @@ journal_t * journal_init_inode (struct inode *inode)
journal->j_wbuf = kmalloc(n * sizeof(struct buffer_head*), GFP_KERNEL);
if (!journal->j_wbuf) {
printk(KERN_ERR "%s: Cant allocate bhs for commit thread\n",
- __FUNCTION__);
+ __func__);
kfree(journal);
return NULL;
}
@@ -791,7 +791,7 @@ journal_t * journal_init_inode (struct inode *inode)
/* If that failed, give up */
if (err) {
printk(KERN_ERR "%s: Cannnot locate journal superblock\n",
- __FUNCTION__);
+ __func__);
kfree(journal);
return NULL;
}
@@ -877,7 +877,7 @@ int journal_create(journal_t *journal)
*/
printk(KERN_EMERG
"%s: creation of journal on external device!\n",
- __FUNCTION__);
+ __func__);
BUG();
}
@@ -1657,7 +1657,7 @@ static struct journal_head *journal_alloc_journal_head(void)
jbd_debug(1, "out of memory for journal_head\n");
if (time_after(jiffies, last_warning + 5*HZ)) {
printk(KERN_NOTICE "ENOMEM in %s, retrying.\n",
- __FUNCTION__);
+ __func__);
last_warning = jiffies;
}
while (ret == NULL) {
@@ -1794,13 +1794,13 @@ static void __journal_remove_journal_head(struct buffer_head *bh)
if (jh->b_frozen_data) {
printk(KERN_WARNING "%s: freeing "
"b_frozen_data\n",
- __FUNCTION__);
+ __func__);
jbd_free(jh->b_frozen_data, bh->b_size);
}
if (jh->b_committed_data) {
printk(KERN_WARNING "%s: freeing "
"b_committed_data\n",
- __FUNCTION__);
+ __func__);
jbd_free(jh->b_committed_data, bh->b_size);
}
bh->b_private = NULL;
diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c
index d5f8eee7c88..1bb43e987f4 100644
--- a/fs/jbd/revoke.c
+++ b/fs/jbd/revoke.c
@@ -138,7 +138,7 @@ repeat:
oom:
if (!journal_oom_retry)
return -ENOMEM;
- jbd_debug(1, "ENOMEM in %s, retrying\n", __FUNCTION__);
+ jbd_debug(1, "ENOMEM in %s, retrying\n", __func__);
yield();
goto repeat;
}
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index 2c9e8f5d13a..67ff2024c23 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -609,6 +609,12 @@ repeat:
goto done;
/*
+ * this is the first time this transaction is touching this buffer,
+ * reset the modified flag
+ */
+ jh->b_modified = 0;
+
+ /*
* If there is already a copy-out version of this buffer, then we don't
* need to make another one
*/
@@ -681,7 +687,7 @@ repeat:
if (!frozen_buffer) {
printk(KERN_EMERG
"%s: OOM for frozen_buffer\n",
- __FUNCTION__);
+ __func__);
JBUFFER_TRACE(jh, "oom!");
error = -ENOMEM;
jbd_lock_bh_state(bh);
@@ -820,9 +826,16 @@ int journal_get_create_access(handle_t *handle, struct buffer_head *bh)
if (jh->b_transaction == NULL) {
jh->b_transaction = transaction;
+
+ /* first access by this transaction */
+ jh->b_modified = 0;
+
JBUFFER_TRACE(jh, "file as BJ_Reserved");
__journal_file_buffer(jh, transaction, BJ_Reserved);
} else if (jh->b_transaction == journal->j_committing_transaction) {
+ /* first access by this transaction */
+ jh->b_modified = 0;
+
JBUFFER_TRACE(jh, "set next transaction");
jh->b_next_transaction = transaction;
}
@@ -891,7 +904,7 @@ repeat:
committed_data = jbd_alloc(jh2bh(jh)->b_size, GFP_NOFS);
if (!committed_data) {
printk(KERN_EMERG "%s: No memory for committed data\n",
- __FUNCTION__);
+ __func__);
err = -ENOMEM;
goto out;
}
@@ -1222,6 +1235,7 @@ int journal_forget (handle_t *handle, struct buffer_head *bh)
struct journal_head *jh;
int drop_reserve = 0;
int err = 0;
+ int was_modified = 0;
BUFFER_TRACE(bh, "entry");
@@ -1240,6 +1254,9 @@ int journal_forget (handle_t *handle, struct buffer_head *bh)
goto not_jbd;
}
+ /* keep track of wether or not this transaction modified us */
+ was_modified = jh->b_modified;
+
/*
* The buffer's going from the transaction, we must drop
* all references -bzzz
@@ -1257,7 +1274,12 @@ int journal_forget (handle_t *handle, struct buffer_head *bh)
JBUFFER_TRACE(jh, "belongs to current transaction: unfile");
- drop_reserve = 1;
+ /*
+ * we only want to drop a reference if this transaction
+ * modified the buffer
+ */
+ if (was_modified)
+ drop_reserve = 1;
/*
* We are no longer going to journal this buffer.
@@ -1297,7 +1319,13 @@ int journal_forget (handle_t *handle, struct buffer_head *bh)
if (jh->b_next_transaction) {
J_ASSERT(jh->b_next_transaction == transaction);
jh->b_next_transaction = NULL;
- drop_reserve = 1;
+
+ /*
+ * only drop a reference if this transaction modified
+ * the buffer
+ */
+ if (was_modified)
+ drop_reserve = 1;
}
}
@@ -2069,7 +2097,7 @@ void __journal_refile_buffer(struct journal_head *jh)
jh->b_transaction = jh->b_next_transaction;
jh->b_next_transaction = NULL;
__journal_file_buffer(jh, jh->b_transaction,
- was_dirty ? BJ_Metadata : BJ_Reserved);
+ jh->b_modified ? BJ_Metadata : BJ_Reserved);
J_ASSERT_JH(jh, jh->b_transaction->t_state == T_RUNNING);
if (was_dirty)
diff --git a/fs/msdos/namei.c b/fs/msdos/namei.c
index 30f7d0ae221..2d4358c59f6 100644
--- a/fs/msdos/namei.c
+++ b/fs/msdos/namei.c
@@ -653,7 +653,7 @@ static const struct inode_operations msdos_dir_inode_operations = {
.mkdir = msdos_mkdir,
.rmdir = msdos_rmdir,
.rename = msdos_rename,
- .setattr = fat_notify_change,
+ .setattr = fat_setattr,
.getattr = fat_getattr,
};
diff --git a/fs/namespace.c b/fs/namespace.c
index f48f98110c3..fe376805cf5 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -14,7 +14,6 @@
#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/quotaops.h>
#include <linux/acct.h>
#include <linux/capability.h>
#include <linux/cpumask.h>
@@ -1084,7 +1083,6 @@ static int do_umount(struct vfsmount *mnt, int flags)
down_write(&sb->s_umount);
if (!(sb->s_flags & MS_RDONLY)) {
lock_kernel();
- DQUOT_OFF(sb);
retval = do_remount_sb(sb, MS_RDONLY, NULL, 0);
unlock_kernel();
}
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index fbbb9f7afa1..2e5ab1204de 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -107,12 +107,6 @@ static const struct super_operations ncp_sops =
.show_options = ncp_show_options,
};
-extern struct dentry_operations ncp_root_dentry_operations;
-#if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS)
-extern const struct address_space_operations ncp_symlink_aops;
-extern int ncp_symlink(struct inode*, struct dentry*, const char*);
-#endif
-
/*
* Fill in the ncpfs-specific information in the inode.
*/
diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index ad8f167e54b..3a97c95e1ca 100644
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -389,11 +389,11 @@ static int __ncp_ioctl(struct inode *inode, struct file *filp,
struct dentry* dentry = inode->i_sb->s_root;
if (dentry) {
- struct inode* inode = dentry->d_inode;
+ struct inode* s_inode = dentry->d_inode;
- if (inode) {
- sr.volNumber = NCP_FINFO(inode)->volNumber;
- sr.dirEntNum = NCP_FINFO(inode)->dirEntNum;
+ if (s_inode) {
+ sr.volNumber = NCP_FINFO(s_inode)->volNumber;
+ sr.dirEntNum = NCP_FINFO(s_inode)->dirEntNum;
sr.namespace = server->name_space[sr.volNumber];
} else
DPRINTK("ncpfs: s_root->d_inode==NULL\n");
@@ -439,12 +439,12 @@ static int __ncp_ioctl(struct inode *inode, struct file *filp,
dentry = inode->i_sb->s_root;
server->root_setuped = 1;
if (dentry) {
- struct inode* inode = dentry->d_inode;
+ struct inode* s_inode = dentry->d_inode;
if (inode) {
- NCP_FINFO(inode)->volNumber = vnum;
- NCP_FINFO(inode)->dirEntNum = de;
- NCP_FINFO(inode)->DosDirNum = dosde;
+ NCP_FINFO(s_inode)->volNumber = vnum;
+ NCP_FINFO(s_inode)->dirEntNum = de;
+ NCP_FINFO(s_inode)->DosDirNum = dosde;
} else
DPRINTK("ncpfs: s_root->d_inode==NULL\n");
} else
@@ -519,7 +519,6 @@ static int __ncp_ioctl(struct inode *inode, struct file *filp,
}
{
struct ncp_lock_ioctl rqdata;
- int result;
if (copy_from_user(&rqdata, argp, sizeof(rqdata)))
return -EFAULT;
diff --git a/fs/ncpfs/ncpsign_kernel.c b/fs/ncpfs/ncpsign_kernel.c
index 749a18d3359..7c0b5c21e6c 100644
--- a/fs/ncpfs/ncpsign_kernel.c
+++ b/fs/ncpfs/ncpsign_kernel.c
@@ -55,7 +55,7 @@ static void nwsign(char *r_data1, char *r_data2, char *outdata) {
unsigned int w0,w1,w2,w3;
static int rbit[4]={0, 2, 1, 3};
#ifdef __i386__
- unsigned int *data2=(int *)r_data2;
+ unsigned int *data2=(unsigned int *)r_data2;
#else
unsigned int data2[16];
for (i=0;i<16;i++)
diff --git a/fs/open.c b/fs/open.c
index b70e7666bb2..7af1f05d597 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -837,7 +837,7 @@ static struct file *__dentry_open(struct dentry *dentry, struct vfsmount *mnt,
if (f->f_flags & O_DIRECT) {
if (!f->f_mapping->a_ops ||
((!f->f_mapping->a_ops->direct_IO) &&
- (!f->f_mapping->a_ops->get_xip_page))) {
+ (!f->f_mapping->a_ops->get_xip_mem))) {
fput(f);
f = ERR_PTR(-EINVAL);
}
diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c
index 5567ec0d03a..796511886f2 100644
--- a/fs/partitions/msdos.c
+++ b/fs/partitions/msdos.c
@@ -18,7 +18,7 @@
*
* Re-organised Feb 1998 Russell King
*/
-
+#include <linux/msdos_fs.h>
#include "check.h"
#include "msdos.h"
@@ -419,6 +419,7 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
Sector sect;
unsigned char *data;
struct partition *p;
+ struct fat_boot_sector *fb;
int slot;
data = read_dev_sector(bdev, 0, &sect);
@@ -444,8 +445,21 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
p = (struct partition *) (data + 0x1be);
for (slot = 1; slot <= 4; slot++, p++) {
if (p->boot_ind != 0 && p->boot_ind != 0x80) {
- put_dev_sector(sect);
- return 0;
+ /*
+ * Even without a valid boot inidicator value
+ * its still possible this is valid FAT filesystem
+ * without a partition table.
+ */
+ fb = (struct fat_boot_sector *) data;
+ if (slot == 1 && fb->reserved && fb->fats
+ && fat_valid_media(fb->media)) {
+ printk("\n");
+ put_dev_sector(sect);
+ return 1;
+ } else {
+ put_dev_sector(sect);
+ return 0;
+ }
}
}
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 2d563979cb0..441a32f0e5f 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -456,6 +456,20 @@ static const struct file_operations proc_slabstats_operations = {
#endif
#endif
+#ifdef CONFIG_MMU
+static int vmalloc_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &vmalloc_op);
+}
+
+static const struct file_operations proc_vmalloc_operations = {
+ .open = vmalloc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+#endif
+
static int show_stat(struct seq_file *p, void *v)
{
int i;
@@ -869,6 +883,9 @@ void __init proc_misc_init(void)
create_seq_entry("slab_allocators", 0 ,&proc_slabstats_operations);
#endif
#endif
+#ifdef CONFIG_MMU
+ proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
+#endif
create_seq_entry("buddyinfo",S_IRUGO, &fragmentation_file_operations);
create_seq_entry("pagetypeinfo", S_IRUGO, &pagetypeinfo_file_ops);
create_seq_entry("vmstat",S_IRUGO, &proc_vmstat_file_operations);
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 9dfb5ff2420..7415eeb7cc3 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -338,8 +338,7 @@ const struct file_operations proc_maps_operations = {
#define PSS_SHIFT 12
#ifdef CONFIG_PROC_PAGE_MONITOR
-struct mem_size_stats
-{
+struct mem_size_stats {
struct vm_area_struct *vma;
unsigned long resident;
unsigned long shared_clean;
@@ -347,6 +346,7 @@ struct mem_size_stats
unsigned long private_clean;
unsigned long private_dirty;
unsigned long referenced;
+ unsigned long swap;
u64 pss;
};
@@ -363,6 +363,12 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
for (; addr != end; pte++, addr += PAGE_SIZE) {
ptent = *pte;
+
+ if (is_swap_pte(ptent)) {
+ mss->swap += PAGE_SIZE;
+ continue;
+ }
+
if (!pte_present(ptent))
continue;
@@ -421,7 +427,8 @@ static int show_smap(struct seq_file *m, void *v)
"Shared_Dirty: %8lu kB\n"
"Private_Clean: %8lu kB\n"
"Private_Dirty: %8lu kB\n"
- "Referenced: %8lu kB\n",
+ "Referenced: %8lu kB\n"
+ "Swap: %8lu kB\n",
(vma->vm_end - vma->vm_start) >> 10,
mss.resident >> 10,
(unsigned long)(mss.pss >> (10 + PSS_SHIFT)),
@@ -429,7 +436,8 @@ static int show_smap(struct seq_file *m, void *v)
mss.shared_dirty >> 10,
mss.private_clean >> 10,
mss.private_dirty >> 10,
- mss.referenced >> 10);
+ mss.referenced >> 10,
+ mss.swap >> 10);
return ret;
}
@@ -579,7 +587,7 @@ static int pagemap_pte_hole(unsigned long start, unsigned long end,
return err;
}
-u64 swap_pte_to_pagemap_entry(pte_t pte)
+static u64 swap_pte_to_pagemap_entry(pte_t pte)
{
swp_entry_t e = pte_to_swp_entry(pte);
return swp_type(e) | (swp_offset(e) << MAX_SWAPFILES_SHIFT);
diff --git a/fs/quota.c b/fs/quota.c
index 84f28dd7211..db1cc9f3c7a 100644
--- a/fs/quota.c
+++ b/fs/quota.c
@@ -69,7 +69,6 @@ static int generic_quotactl_valid(struct super_block *sb, int type, int cmd, qid
switch (cmd) {
case Q_GETFMT:
case Q_GETINFO:
- case Q_QUOTAOFF:
case Q_SETINFO:
case Q_SETQUOTA:
case Q_GETQUOTA:
@@ -229,12 +228,12 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, void
if (IS_ERR(pathname = getname(addr)))
return PTR_ERR(pathname);
- ret = sb->s_qcop->quota_on(sb, type, id, pathname);
+ ret = sb->s_qcop->quota_on(sb, type, id, pathname, 0);
putname(pathname);
return ret;
}
case Q_QUOTAOFF:
- return sb->s_qcop->quota_off(sb, type);
+ return sb->s_qcop->quota_off(sb, type, 0);
case Q_GETFMT: {
__u32 fmt;
diff --git a/fs/quota_v1.c b/fs/quota_v1.c
index f3841f23306..a6cf9269105 100644
--- a/fs/quota_v1.c
+++ b/fs/quota_v1.c
@@ -139,6 +139,9 @@ static int v1_read_file_info(struct super_block *sb, int type)
goto out;
}
ret = 0;
+ /* limits are stored as unsigned 32-bit data */
+ dqopt->info[type].dqi_maxblimit = 0xffffffff;
+ dqopt->info[type].dqi_maxilimit = 0xffffffff;
dqopt->info[type].dqi_igrace = dqblk.dqb_itime ? dqblk.dqb_itime : MAX_IQ_TIME;
dqopt->info[type].dqi_bgrace = dqblk.dqb_btime ? dqblk.dqb_btime : MAX_DQ_TIME;
out:
diff --git a/fs/quota_v2.c b/fs/quota_v2.c
index c519a583e68..23b647f25d0 100644
--- a/fs/quota_v2.c
+++ b/fs/quota_v2.c
@@ -59,6 +59,9 @@ static int v2_read_file_info(struct super_block *sb, int type)
sb->s_id);
return -1;
}
+ /* limits are stored as unsigned 32-bit data */
+ info->dqi_maxblimit = 0xffffffff;
+ info->dqi_maxilimit = 0xffffffff;
info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace);
info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace);
info->dqi_flags = le32_to_cpu(dinfo.dqi_flags);
diff --git a/fs/reiserfs/bitmap.c b/fs/reiserfs/bitmap.c
index f491ceb5af0..4646caa6045 100644
--- a/fs/reiserfs/bitmap.c
+++ b/fs/reiserfs/bitmap.c
@@ -479,7 +479,7 @@ static void __discard_prealloc(struct reiserfs_transaction_handle *th,
if (ei->i_prealloc_count < 0)
reiserfs_warning(th->t_super,
"zam-4001:%s: inode has negative prealloc blocks count.",
- __FUNCTION__);
+ __func__);
#endif
while (ei->i_prealloc_count > 0) {
reiserfs_free_prealloc_block(th, inode, ei->i_prealloc_block);
@@ -517,7 +517,7 @@ void reiserfs_discard_all_prealloc(struct reiserfs_transaction_handle *th)
if (!ei->i_prealloc_count) {
reiserfs_warning(th->t_super,
"zam-4001:%s: inode is in prealloc list but has no preallocated blocks.",
- __FUNCTION__);
+ __func__);
}
#endif
__discard_prealloc(th, ei);
@@ -632,7 +632,7 @@ int reiserfs_parse_alloc_options(struct super_block *s, char *options)
}
reiserfs_warning(s, "zam-4001: %s : unknown option - %s",
- __FUNCTION__, this_char);
+ __func__, this_char);
return 1;
}
@@ -1254,7 +1254,7 @@ struct buffer_head *reiserfs_read_bitmap_block(struct super_block *sb,
bh = sb_bread(sb, block);
if (bh == NULL)
reiserfs_warning(sb, "sh-2029: %s: bitmap block (#%u) "
- "reading failed", __FUNCTION__, block);
+ "reading failed", __func__, block);
else {
if (buffer_locked(bh)) {
PROC_INFO_INC(sb, scan_bitmap.wait);
diff --git a/fs/reiserfs/do_balan.c b/fs/reiserfs/do_balan.c
index 7ee4208793b..2f87f5b1463 100644
--- a/fs/reiserfs/do_balan.c
+++ b/fs/reiserfs/do_balan.c
@@ -1464,29 +1464,29 @@ static int balance_leaf(struct tree_balance *tb, struct item_head *ih, /* item h
} else
/* item falls wholly into S_new[i] */
{
- int ret_val;
+ int leaf_mi;
struct item_head *pasted;
#ifdef CONFIG_REISERFS_CHECK
- struct item_head *ih =
+ struct item_head *ih_check =
B_N_PITEM_HEAD(tbS0, item_pos);
- if (!is_direntry_le_ih(ih)
- && (pos_in_item != ih_item_len(ih)
+ if (!is_direntry_le_ih(ih_check)
+ && (pos_in_item != ih_item_len(ih_check)
|| tb->insert_size[0] <= 0))
reiserfs_panic(tb->tb_sb,
"PAP-12235: balance_leaf: pos_in_item must be equal to ih_item_len");
#endif /* CONFIG_REISERFS_CHECK */
- ret_val =
+ leaf_mi =
leaf_move_items(LEAF_FROM_S_TO_SNEW,
tb, snum[i],
sbytes[i],
S_new[i]);
- RFALSE(ret_val,
+ RFALSE(leaf_mi,
"PAP-12240: unexpected value returned by leaf_move_items (%d)",
- ret_val);
+ leaf_mi);
/* paste into item */
bi.tb = tb;
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index 74363a7aacb..830332021ed 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -12,8 +12,6 @@
#include <linux/smp_lock.h>
#include <linux/compat.h>
-static int reiserfs_unpack(struct inode *inode, struct file *filp);
-
/*
** reiserfs_ioctl - handler for ioctl for inode
** supported commands:
@@ -159,7 +157,7 @@ int reiserfs_prepare_write(struct file *f, struct page *page,
** Function try to convert tail from direct item into indirect.
** It set up nopack attribute in the REISERFS_I(inode)->nopack
*/
-static int reiserfs_unpack(struct inode *inode, struct file *filp)
+int reiserfs_unpack(struct inode *inode, struct file *filp)
{
int retval = 0;
int index;
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 060eb3f598e..da86042b3e0 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -1187,7 +1187,7 @@ static int flush_commit_list(struct super_block *s,
if (retval)
reiserfs_abort(s, retval, "Journal write error in %s",
- __FUNCTION__);
+ __func__);
put_fs_excl();
return retval;
}
@@ -1534,7 +1534,7 @@ static int flush_journal_list(struct super_block *s,
reiserfs_warning(s,
"clm-2082: Unable to flush buffer %llu in %s",
(unsigned long long)saved_bh->
- b_blocknr, __FUNCTION__);
+ b_blocknr, __func__);
}
free_cnode:
last = cn;
@@ -1586,7 +1586,7 @@ static int flush_journal_list(struct super_block *s,
if (err)
reiserfs_abort(s, -EIO,
"Write error while pushing transaction to disk in %s",
- __FUNCTION__);
+ __func__);
flush_older_and_return:
/* before we can update the journal header block, we _must_ flush all
@@ -1616,7 +1616,7 @@ static int flush_journal_list(struct super_block *s,
if (err)
reiserfs_abort(s, -EIO,
"Write error while updating journal header in %s",
- __FUNCTION__);
+ __func__);
}
remove_all_from_journal_list(s, jl, 0);
list_del_init(&jl->j_list);
@@ -4316,5 +4316,5 @@ static void __reiserfs_journal_abort_soft(struct super_block *sb, int errno)
void reiserfs_journal_abort(struct super_block *sb, int errno)
{
- return __reiserfs_journal_abort_soft(sb, errno);
+ __reiserfs_journal_abort_soft(sb, errno);
}
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index 8867533cb72..c1add28dd45 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -301,7 +301,7 @@ static int reiserfs_find_entry(struct inode *dir, const char *name, int namelen,
path_to_entry, de);
if (retval == IO_ERROR) {
reiserfs_warning(dir->i_sb, "zam-7001: io error in %s",
- __FUNCTION__);
+ __func__);
return IO_ERROR;
}
@@ -496,7 +496,7 @@ static int reiserfs_add_entry(struct reiserfs_transaction_handle *th,
reiserfs_warning(dir->i_sb,
"zam-7002:%s: \"reiserfs_find_entry\" "
"has returned unexpected value (%d)",
- __FUNCTION__, retval);
+ __func__, retval);
}
return -EEXIST;
@@ -907,7 +907,7 @@ static int reiserfs_rmdir(struct inode *dir, struct dentry *dentry)
if (inode->i_nlink != 2 && inode->i_nlink != 1)
reiserfs_warning(inode->i_sb, "%s: empty directory has nlink "
- "!= 2 (%d)", __FUNCTION__, inode->i_nlink);
+ "!= 2 (%d)", __func__, inode->i_nlink);
clear_nlink(inode);
inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC;
@@ -984,7 +984,7 @@ static int reiserfs_unlink(struct inode *dir, struct dentry *dentry)
if (!inode->i_nlink) {
reiserfs_warning(inode->i_sb, "%s: deleting nonexistent file "
- "(%s:%lu), %d", __FUNCTION__,
+ "(%s:%lu), %d", __func__,
reiserfs_bdevname(inode->i_sb), inode->i_ino,
inode->i_nlink);
inode->i_nlink = 1;
diff --git a/fs/reiserfs/objectid.c b/fs/reiserfs/objectid.c
index 65feba4deb6..ea0cf8c28a9 100644
--- a/fs/reiserfs/objectid.c
+++ b/fs/reiserfs/objectid.c
@@ -61,7 +61,7 @@ __u32 reiserfs_get_unused_objectid(struct reiserfs_transaction_handle *th)
/* comment needed -Hans */
unused_objectid = le32_to_cpu(map[1]);
if (unused_objectid == U32_MAX) {
- reiserfs_warning(s, "%s: no more object ids", __FUNCTION__);
+ reiserfs_warning(s, "%s: no more object ids", __func__);
reiserfs_restore_prepared_buffer(s, SB_BUFFER_WITH_SB(s));
return 0;
}
@@ -114,7 +114,7 @@ void reiserfs_release_objectid(struct reiserfs_transaction_handle *th,
if (objectid_to_release == le32_to_cpu(map[i])) {
/* This incrementation unallocates the objectid. */
//map[i]++;
- map[i] = cpu_to_le32(le32_to_cpu(map[i]) + 1);
+ le32_add_cpu(&map[i], 1);
/* Did we unallocate the last member of an odd sequence, and can shrink oids? */
if (map[i] == map[i + 1]) {
@@ -138,8 +138,7 @@ void reiserfs_release_objectid(struct reiserfs_transaction_handle *th,
/* size of objectid map is not changed */
if (objectid_to_release + 1 == le32_to_cpu(map[i + 1])) {
//objectid_map[i+1]--;
- map[i + 1] =
- cpu_to_le32(le32_to_cpu(map[i + 1]) - 1);
+ le32_add_cpu(&map[i + 1], -1);
return;
}
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index d2db2417b2b..abbc64dcc8d 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -1419,8 +1419,7 @@ int reiserfs_delete_object(struct reiserfs_transaction_handle *th,
inode_generation =
&REISERFS_SB(th->t_super)->s_rs->s_inode_generation;
- *inode_generation =
- cpu_to_le32(le32_to_cpu(*inode_generation) + 1);
+ le32_add_cpu(inode_generation, 1);
}
/* USE_INODE_GENERATION_COUNTER */
#endif
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 393cc22c171..ed424d708e6 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -304,7 +304,7 @@ static int finish_unfinished(struct super_block *s)
/* Turn quotas off */
for (i = 0; i < MAXQUOTAS; i++) {
if (sb_dqopt(s)->files[i])
- vfs_quota_off_mount(s, i);
+ vfs_quota_off(s, i, 0);
}
if (ms_active_set)
/* Restore the flag back */
@@ -634,7 +634,7 @@ static int reiserfs_acquire_dquot(struct dquot *);
static int reiserfs_release_dquot(struct dquot *);
static int reiserfs_mark_dquot_dirty(struct dquot *);
static int reiserfs_write_info(struct super_block *, int);
-static int reiserfs_quota_on(struct super_block *, int, int, char *);
+static int reiserfs_quota_on(struct super_block *, int, int, char *, int);
static struct dquot_operations reiserfs_quota_operations = {
.initialize = reiserfs_dquot_initialize,
@@ -1890,8 +1890,14 @@ static int reiserfs_dquot_drop(struct inode *inode)
ret =
journal_begin(&th, inode->i_sb,
2 * REISERFS_QUOTA_DEL_BLOCKS(inode->i_sb));
- if (ret)
+ if (ret) {
+ /*
+ * We call dquot_drop() anyway to at least release references
+ * to quota structures so that umount does not hang.
+ */
+ dquot_drop(inode);
goto out;
+ }
ret = dquot_drop(inode);
err =
journal_end(&th, inode->i_sb,
@@ -2015,13 +2021,17 @@ static int reiserfs_quota_on_mount(struct super_block *sb, int type)
* Standard function to be called on quota_on
*/
static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
- char *path)
+ char *path, int remount)
{
int err;
struct nameidata nd;
+ struct inode *inode;
if (!(REISERFS_SB(sb)->s_mount_opt & (1 << REISERFS_QUOTA)))
return -EINVAL;
+ /* No more checks needed? Path and format_id are bogus anyway... */
+ if (remount)
+ return vfs_quota_on(sb, type, format_id, path, 1);
err = path_lookup(path, LOOKUP_FOLLOW, &nd);
if (err)
return err;
@@ -2030,18 +2040,24 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
path_put(&nd.path);
return -EXDEV;
}
+ inode = nd.path.dentry->d_inode;
/* We must not pack tails for quota files on reiserfs for quota IO to work */
- if (!(REISERFS_I(nd.path.dentry->d_inode)->i_flags & i_nopack_mask)) {
- reiserfs_warning(sb,
- "reiserfs: Quota file must have tail packing disabled.");
- path_put(&nd.path);
- return -EINVAL;
+ if (!(REISERFS_I(inode)->i_flags & i_nopack_mask)) {
+ err = reiserfs_unpack(inode, NULL);
+ if (err) {
+ reiserfs_warning(sb,
+ "reiserfs: Unpacking tail of quota file failed"
+ " (%d). Cannot turn on quotas.", err);
+ path_put(&nd.path);
+ return -EINVAL;
+ }
+ mark_inode_dirty(inode);
}
/* Not journalling quota? No more tests needed... */
if (!REISERFS_SB(sb)->s_qf_names[USRQUOTA] &&
!REISERFS_SB(sb)->s_qf_names[GRPQUOTA]) {
path_put(&nd.path);
- return vfs_quota_on(sb, type, format_id, path);
+ return vfs_quota_on(sb, type, format_id, path, 0);
}
/* Quotafile not of fs root? */
if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
@@ -2049,7 +2065,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
"reiserfs: Quota file not on filesystem root. "
"Journalled quota will not work.");
path_put(&nd.path);
- return vfs_quota_on(sb, type, format_id, path);
+ return vfs_quota_on(sb, type, format_id, path, 0);
}
/* Read data from quotafile - avoid pagecache and such because we cannot afford
diff --git a/fs/super.c b/fs/super.c
index 4798350b2bc..a5a4aca7e22 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -179,7 +179,7 @@ void deactivate_super(struct super_block *s)
if (atomic_dec_and_lock(&s->s_active, &sb_lock)) {
s->s_count -= S_BIAS-1;
spin_unlock(&sb_lock);
- DQUOT_OFF(s);
+ DQUOT_OFF(s, 0);
down_write(&s->s_umount);
fs->kill_sb(s);
put_filesystem(fs);
@@ -608,6 +608,7 @@ retry:
int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
{
int retval;
+ int remount_rw;
#ifdef CONFIG_BLOCK
if (!(flags & MS_RDONLY) && bdev_read_only(sb->s_bdev))
@@ -625,8 +626,11 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
mark_files_ro(sb);
else if (!fs_may_remount_ro(sb))
return -EBUSY;
- DQUOT_OFF(sb);
+ retval = DQUOT_OFF(sb, 1);
+ if (retval < 0 && retval != -ENOSYS)
+ return -EBUSY;
}
+ remount_rw = !(flags & MS_RDONLY) && (sb->s_flags & MS_RDONLY);
if (sb->s_op->remount_fs) {
lock_super(sb);
@@ -636,6 +640,8 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
return retval;
}
sb->s_flags = (sb->s_flags & ~MS_RMT_MASK) | (flags & MS_RMT_MASK);
+ if (remount_rw)
+ DQUOT_ON_REMOUNT(sb);
return 0;
}
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index ba5537d4bc1..2b34c8ca6c8 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -890,7 +890,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) {
kernel_lb_addr eloc;
- uint32_t elen;
+ uint32_t bsize;
block = udf_new_block(inode->i_sb, inode,
iinfo->i_location.partitionReferenceNum,
@@ -903,9 +903,9 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
eloc.logicalBlockNum = block;
eloc.partitionReferenceNum =
iinfo->i_location.partitionReferenceNum;
- elen = inode->i_sb->s_blocksize;
- iinfo->i_lenExtents = elen;
- udf_add_aext(inode, &epos, eloc, elen, 0);
+ bsize = inode->i_sb->s_blocksize;
+ iinfo->i_lenExtents = bsize;
+ udf_add_aext(inode, &epos, eloc, bsize, 0);
brelse(epos.bh);
block = udf_get_pblock(inode->i_sb, block,
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index 1e7598fb978..0d9ada17373 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -277,7 +277,7 @@ static void ufs_change_blocknr(struct inode *inode, sector_t beg,
if (!page)/* it was truncated */
continue;
if (IS_ERR(page)) {/* or EIO */
- ufs_error(inode->i_sb, __FUNCTION__,
+ ufs_error(inode->i_sb, __func__,
"read of page %llu failed\n",
(unsigned long long)index);
continue;
@@ -308,7 +308,7 @@ static void ufs_change_blocknr(struct inode *inode, sector_t beg,
ll_rw_block(READ, 1, &bh);
wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
- ufs_error(inode->i_sb, __FUNCTION__,
+ ufs_error(inode->i_sb, __func__,
"read of block failed\n");
break;
}
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index ef563fc8d72..df0bef18742 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -179,7 +179,7 @@ bad_entry:
goto fail;
Eend:
p = (struct ufs_dir_entry *)(kaddr + offs);
- ufs_error(sb, __FUNCTION__,
+ ufs_error(sb, __func__,
"entry in directory #%lu spans the page boundary"
"offset=%lu",
dir->i_ino, (page->index<<PAGE_CACHE_SHIFT)+offs);
@@ -284,7 +284,7 @@ struct ufs_dir_entry *ufs_find_entry(struct inode *dir, struct dentry *dentry,
kaddr += ufs_last_byte(dir, n) - reclen;
while ((char *) de <= kaddr) {
if (de->d_reclen == 0) {
- ufs_error(dir->i_sb, __FUNCTION__,
+ ufs_error(dir->i_sb, __func__,
"zero-length directory entry");
ufs_put_page(page);
goto out;
@@ -356,7 +356,7 @@ int ufs_add_link(struct dentry *dentry, struct inode *inode)
goto got_it;
}
if (de->d_reclen == 0) {
- ufs_error(dir->i_sb, __FUNCTION__,
+ ufs_error(dir->i_sb, __func__,
"zero-length directory entry");
err = -EIO;
goto out_unlock;
@@ -456,7 +456,7 @@ ufs_readdir(struct file *filp, void *dirent, filldir_t filldir)
struct page *page = ufs_get_page(inode, n);
if (IS_ERR(page)) {
- ufs_error(sb, __FUNCTION__,
+ ufs_error(sb, __func__,
"bad page in #%lu",
inode->i_ino);
filp->f_pos += PAGE_CACHE_SIZE - offset;
@@ -475,7 +475,7 @@ ufs_readdir(struct file *filp, void *dirent, filldir_t filldir)
limit = kaddr + ufs_last_byte(inode, n) - UFS_DIR_REC_LEN(1);
for ( ;(char*)de <= limit; de = ufs_next_entry(sb, de)) {
if (de->d_reclen == 0) {
- ufs_error(sb, __FUNCTION__,
+ ufs_error(sb, __func__,
"zero-length directory entry");
ufs_put_page(page);
return -EIO;
@@ -536,7 +536,7 @@ int ufs_delete_entry(struct inode *inode, struct ufs_dir_entry *dir,
while ((char*)de < (char*)dir) {
if (de->d_reclen == 0) {
- ufs_error(inode->i_sb, __FUNCTION__,
+ ufs_error(inode->i_sb, __func__,
"zero-length directory entry");
err = -EIO;
goto out;
@@ -633,7 +633,7 @@ int ufs_empty_dir(struct inode * inode)
while ((char *)de <= kaddr) {
if (de->d_reclen == 0) {
- ufs_error(inode->i_sb, __FUNCTION__,
+ ufs_error(inode->i_sb, __func__,
"zero-length directory entry: "
"kaddr=%p, de=%p\n", kaddr, de);
goto not_empty;
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 5446b888fc8..39f87789856 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -929,7 +929,7 @@ void ufs_delete_inode (struct inode * inode)
old_i_size = inode->i_size;
inode->i_size = 0;
if (inode->i_blocks && ufs_truncate(inode, old_i_size))
- ufs_warning(inode->i_sb, __FUNCTION__, "ufs_truncate failed\n");
+ ufs_warning(inode->i_sb, __func__, "ufs_truncate failed\n");
ufs_free_inode (inode);
unlock_kernel();
return;
diff --git a/fs/ufs/swab.h b/fs/ufs/swab.h
index 1683d2bee61..8d974c4fd18 100644
--- a/fs/ufs/swab.h
+++ b/fs/ufs/swab.h
@@ -40,25 +40,7 @@ cpu_to_fs64(struct super_block *sbp, u64 n)
return (__force __fs64)cpu_to_be64(n);
}
-static __inline u32
-fs64_add(struct super_block *sbp, u32 *n, int d)
-{
- if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
- return *n = cpu_to_le64(le64_to_cpu(*n)+d);
- else
- return *n = cpu_to_be64(be64_to_cpu(*n)+d);
-}
-
-static __inline u32
-fs64_sub(struct super_block *sbp, u32 *n, int d)
-{
- if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
- return *n = cpu_to_le64(le64_to_cpu(*n)-d);
- else
- return *n = cpu_to_be64(be64_to_cpu(*n)-d);
-}
-
-static __inline u32
+static inline u32
fs32_to_cpu(struct super_block *sbp, __fs32 n)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
@@ -80,18 +62,18 @@ static inline void
fs32_add(struct super_block *sbp, __fs32 *n, int d)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
- *(__le32 *)n = cpu_to_le32(le32_to_cpu(*(__le32 *)n)+d);
+ le32_add_cpu((__le32 *)n, d);
else
- *(__be32 *)n = cpu_to_be32(be32_to_cpu(*(__be32 *)n)+d);
+ be32_add_cpu((__be32 *)n, d);
}
static inline void
fs32_sub(struct super_block *sbp, __fs32 *n, int d)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
- *(__le32 *)n = cpu_to_le32(le32_to_cpu(*(__le32 *)n)-d);
+ le32_add_cpu((__le32 *)n, -d);
else
- *(__be32 *)n = cpu_to_be32(be32_to_cpu(*(__be32 *)n)-d);
+ be32_add_cpu((__be32 *)n, -d);
}
static inline u16
@@ -116,18 +98,18 @@ static inline void
fs16_add(struct super_block *sbp, __fs16 *n, int d)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
- *(__le16 *)n = cpu_to_le16(le16_to_cpu(*(__le16 *)n)+d);
+ le16_add_cpu((__le16 *)n, d);
else
- *(__be16 *)n = cpu_to_be16(be16_to_cpu(*(__be16 *)n)+d);
+ be16_add_cpu((__be16 *)n, d);
}
static inline void
fs16_sub(struct super_block *sbp, __fs16 *n, int d)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
- *(__le16 *)n = cpu_to_le16(le16_to_cpu(*(__le16 *)n)-d);
+ le16_add_cpu((__le16 *)n, -d);
else
- *(__be16 *)n = cpu_to_be16(be16_to_cpu(*(__be16 *)n)-d);
+ be16_add_cpu((__be16 *)n, -d);
}
#endif /* _UFS_SWAB_H */
diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h
index fcb9231bb9e..244a1aaa940 100644
--- a/fs/ufs/ufs.h
+++ b/fs/ufs/ufs.h
@@ -66,7 +66,7 @@ struct ufs_inode_info {
#ifdef CONFIG_UFS_DEBUG
# define UFSD(f, a...) { \
printk ("UFSD (%s, %d): %s:", \
- __FILE__, __LINE__, __FUNCTION__); \
+ __FILE__, __LINE__, __func__); \
printk (f, ## a); \
}
#else
diff --git a/fs/vfat/namei.c b/fs/vfat/namei.c
index cd450bea9f1..5b66162d074 100644
--- a/fs/vfat/namei.c
+++ b/fs/vfat/namei.c
@@ -176,15 +176,10 @@ static inline int vfat_is_used_badchars(const wchar_t *s, int len)
for (i = 0; i < len; i++)
if (vfat_bad_char(s[i]))
return -EINVAL;
- return 0;
-}
-static int vfat_valid_longname(const unsigned char *name, unsigned int len)
-{
- if (name[len - 1] == ' ')
+ if (s[i - 1] == ' ') /* last character cannot be space */
return -EINVAL;
- if (len >= 256)
- return -ENAMETOOLONG;
+
return 0;
}
@@ -477,7 +472,7 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
if (utf8) {
int name_len = strlen(name);
- *outlen = utf8_mbstowcs((wchar_t *)outname, name, PAGE_SIZE);
+ *outlen = utf8_mbstowcs((wchar_t *)outname, name, PATH_MAX);
/*
* We stripped '.'s before and set len appropriately,
@@ -485,11 +480,14 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
*/
*outlen -= (name_len - len);
+ if (*outlen > 255)
+ return -ENAMETOOLONG;
+
op = &outname[*outlen * sizeof(wchar_t)];
} else {
if (nls) {
for (i = 0, ip = name, op = outname, *outlen = 0;
- i < len && *outlen <= 260;
+ i < len && *outlen <= 255;
*outlen += 1)
{
if (escape && (*ip == ':')) {
@@ -525,18 +523,20 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
op += 2;
}
}
+ if (i < len)
+ return -ENAMETOOLONG;
} else {
for (i = 0, ip = name, op = outname, *outlen = 0;
- i < len && *outlen <= 260;
+ i < len && *outlen <= 255;
i++, *outlen += 1)
{
*op++ = *ip++;
*op++ = 0;
}
+ if (i < len)
+ return -ENAMETOOLONG;
}
}
- if (*outlen > 260)
- return -ENAMETOOLONG;
*longlen = *outlen;
if (*outlen % 13) {
@@ -565,7 +565,6 @@ static int vfat_build_slots(struct inode *dir, const unsigned char *name,
struct fat_mount_options *opts = &sbi->options;
struct msdos_dir_slot *ps;
struct msdos_dir_entry *de;
- unsigned long page;
unsigned char cksum, lcase;
unsigned char msdos_name[MSDOS_NAME];
wchar_t *uname;
@@ -574,15 +573,11 @@ static int vfat_build_slots(struct inode *dir, const unsigned char *name,
loff_t offset;
*nr_slots = 0;
- err = vfat_valid_longname(name, len);
- if (err)
- return err;
- page = __get_free_page(GFP_KERNEL);
- if (!page)
+ uname = __getname();
+ if (!uname)
return -ENOMEM;
- uname = (wchar_t *)page;
err = xlate_to_uni(name, len, (unsigned char *)uname, &ulen, &usize,
opts->unicode_xlate, opts->utf8, sbi->nls_io);
if (err)
@@ -634,7 +629,7 @@ shortname:
de->starthi = cpu_to_le16(cluster >> 16);
de->size = 0;
out_free:
- free_page(page);
+ __putname(uname);
return err;
}
@@ -1003,7 +998,7 @@ static const struct inode_operations vfat_dir_inode_operations = {
.mkdir = vfat_mkdir,
.rmdir = vfat_rmdir,
.rename = vfat_rename,
- .setattr = fat_notify_change,
+ .setattr = fat_setattr,
.getattr = fat_getattr,
};