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-rw-r--r--fs/9p/vfs_file.c114
-rw-r--r--fs/9p/vfs_super.c2
-rw-r--r--fs/aio.c98
-rw-r--r--fs/bfs/dir.c2
-rw-r--r--fs/bfs/inode.c44
-rw-r--r--fs/binfmt_elf.c2
-rw-r--r--fs/bio.c10
-rw-r--r--fs/buffer.c2
-rw-r--r--fs/fuse/file.c4
-rw-r--r--fs/hostfs/hostfs_kern.c7
-rw-r--r--fs/mpage.c2
-rw-r--r--fs/namei.c6
-rw-r--r--fs/nfs_common/nfsacl.c70
-rw-r--r--fs/ntfs/ChangeLog3
-rw-r--r--fs/ntfs/bitmap.c5
-rw-r--r--fs/ntfs/layout.h2
-rw-r--r--fs/ntfs/malloc.h2
-rw-r--r--fs/ntfs/mft.c3
-rw-r--r--fs/ntfs/unistr.c2
-rw-r--r--fs/posix_acl.c6
-rw-r--r--fs/read_write.c3
-rw-r--r--fs/relayfs/buffers.c2
-rw-r--r--fs/xfs/linux-2.6/kmem.c10
-rw-r--r--fs/xfs/linux-2.6/kmem.h13
24 files changed, 190 insertions, 224 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index a4799e971d1..bbc3cc63854 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -175,16 +175,16 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
}
/**
- * v9fs_read - read from a file (internal)
+ * v9fs_file_read - read from a file
* @filep: file pointer to read
* @data: data buffer to read data into
* @count: size of buffer
* @offset: offset at which to read data
*
*/
-
static ssize_t
-v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
+v9fs_file_read(struct file *filp, char __user * data, size_t count,
+ loff_t * offset)
{
struct inode *inode = filp->f_dentry->d_inode;
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
@@ -194,6 +194,7 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
int rsize = 0;
int result = 0;
int total = 0;
+ int n;
dprintk(DEBUG_VFS, "\n");
@@ -216,10 +217,15 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
} else
*offset += result;
- /* XXX - extra copy */
- memcpy(buffer, fcall->params.rread.data, result);
+ n = copy_to_user(data, fcall->params.rread.data, result);
+ if (n) {
+ dprintk(DEBUG_ERROR, "Problem copying to user %d\n", n);
+ kfree(fcall);
+ return -EFAULT;
+ }
+
count -= result;
- buffer += result;
+ data += result;
total += result;
kfree(fcall);
@@ -232,42 +238,7 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
}
/**
- * v9fs_file_read - read from a file
- * @filep: file pointer to read
- * @data: data buffer to read data into
- * @count: size of buffer
- * @offset: offset at which to read data
- *
- */
-
-static ssize_t
-v9fs_file_read(struct file *filp, char __user * data, size_t count,
- loff_t * offset)
-{
- int retval = -1;
- int ret = 0;
- char *buffer;
-
- buffer = kmalloc(count, GFP_KERNEL);
- if (!buffer)
- return -ENOMEM;
-
- retval = v9fs_read(filp, buffer, count, offset);
- if (retval > 0) {
- if ((ret = copy_to_user(data, buffer, retval)) != 0) {
- dprintk(DEBUG_ERROR, "Problem copying to user %d\n",
- ret);
- retval = ret;
- }
- }
-
- kfree(buffer);
-
- return retval;
-}
-
-/**
- * v9fs_write - write to a file
+ * v9fs_file_write - write to a file
* @filep: file pointer to write
* @data: data buffer to write data from
* @count: size of buffer
@@ -276,7 +247,8 @@ v9fs_file_read(struct file *filp, char __user * data, size_t count,
*/
static ssize_t
-v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset)
+v9fs_file_write(struct file *filp, const char __user * data,
+ size_t count, loff_t * offset)
{
struct inode *inode = filp->f_dentry->d_inode;
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
@@ -286,30 +258,42 @@ v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset)
int result = -EIO;
int rsize = 0;
int total = 0;
+ char *buf;
- dprintk(DEBUG_VFS, "data %p count %d offset %x\n", buffer, (int)count,
+ dprintk(DEBUG_VFS, "data %p count %d offset %x\n", data, (int)count,
(int)*offset);
rsize = v9ses->maxdata - V9FS_IOHDRSZ;
if (v9fid->iounit != 0 && rsize > v9fid->iounit)
rsize = v9fid->iounit;
- dump_data(buffer, count);
+ buf = kmalloc(v9ses->maxdata - V9FS_IOHDRSZ, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
do {
if (count < rsize)
rsize = count;
- result =
- v9fs_t_write(v9ses, fid, *offset, rsize, buffer, &fcall);
+ result = copy_from_user(buf, data, rsize);
+ if (result) {
+ dprintk(DEBUG_ERROR, "Problem copying from user\n");
+ kfree(buf);
+ return -EFAULT;
+ }
+
+ dump_data(buf, rsize);
+ result = v9fs_t_write(v9ses, fid, *offset, rsize, buf, &fcall);
if (result < 0) {
eprintk(KERN_ERR, "error while writing: %s(%d)\n",
FCALL_ERROR(fcall), result);
kfree(fcall);
+ kfree(buf);
return result;
} else
*offset += result;
kfree(fcall);
+ fcall = NULL;
if (result != rsize) {
eprintk(KERN_ERR,
@@ -319,46 +303,14 @@ v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset)
}
count -= result;
- buffer += result;
+ data += result;
total += result;
} while (count);
+ kfree(buf);
return total;
}
-/**
- * v9fs_file_write - write to a file
- * @filep: file pointer to write
- * @data: data buffer to write data from
- * @count: size of buffer
- * @offset: offset at which to write data
- *
- */
-
-static ssize_t
-v9fs_file_write(struct file *filp, const char __user * data,
- size_t count, loff_t * offset)
-{
- int ret = -1;
- char *buffer;
-
- buffer = kmalloc(count, GFP_KERNEL);
- if (buffer == NULL)
- return -ENOMEM;
-
- ret = copy_from_user(buffer, data, count);
- if (ret) {
- dprintk(DEBUG_ERROR, "Problem copying from user\n");
- ret = -EFAULT;
- } else {
- ret = v9fs_write(filp, buffer, count, offset);
- }
-
- kfree(buffer);
-
- return ret;
-}
-
struct file_operations v9fs_file_operations = {
.llseek = generic_file_llseek,
.read = v9fs_file_read,
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 0957f4da91d..82c5b008407 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -129,7 +129,7 @@ static struct super_block *v9fs_get_sb(struct file_system_type
if ((newfid = v9fs_session_init(v9ses, dev_name, data)) < 0) {
dprintk(DEBUG_ERROR, "problem initiating session\n");
- return newfid;
+ return ERR_PTR(newfid);
}
sb = sget(fs_type, NULL, v9fs_set_super, v9ses);
diff --git a/fs/aio.c b/fs/aio.c
index 0e11e31dbb7..d6b1551342b 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -741,19 +741,9 @@ static ssize_t aio_run_iocb(struct kiocb *iocb)
ret = retry(iocb);
current->io_wait = NULL;
- if (-EIOCBRETRY != ret) {
- if (-EIOCBQUEUED != ret) {
- BUG_ON(!list_empty(&iocb->ki_wait.task_list));
- aio_complete(iocb, ret, 0);
- /* must not access the iocb after this */
- }
- } else {
- /*
- * Issue an additional retry to avoid waiting forever if
- * no waits were queued (e.g. in case of a short read).
- */
- if (list_empty(&iocb->ki_wait.task_list))
- kiocbSetKicked(iocb);
+ if (ret != -EIOCBRETRY && ret != -EIOCBQUEUED) {
+ BUG_ON(!list_empty(&iocb->ki_wait.task_list));
+ aio_complete(iocb, ret, 0);
}
out:
spin_lock_irq(&ctx->ctx_lock);
@@ -899,16 +889,24 @@ static void aio_kick_handler(void *data)
* and if required activate the aio work queue to process
* it
*/
-static void queue_kicked_iocb(struct kiocb *iocb)
+static void try_queue_kicked_iocb(struct kiocb *iocb)
{
struct kioctx *ctx = iocb->ki_ctx;
unsigned long flags;
int run = 0;
- WARN_ON((!list_empty(&iocb->ki_wait.task_list)));
+ /* We're supposed to be the only path putting the iocb back on the run
+ * list. If we find that the iocb is *back* on a wait queue already
+ * than retry has happened before we could queue the iocb. This also
+ * means that the retry could have completed and freed our iocb, no
+ * good. */
+ BUG_ON((!list_empty(&iocb->ki_wait.task_list)));
spin_lock_irqsave(&ctx->ctx_lock, flags);
- run = __queue_kicked_iocb(iocb);
+ /* set this inside the lock so that we can't race with aio_run_iocb()
+ * testing it and putting the iocb on the run list under the lock */
+ if (!kiocbTryKick(iocb))
+ run = __queue_kicked_iocb(iocb);
spin_unlock_irqrestore(&ctx->ctx_lock, flags);
if (run)
aio_queue_work(ctx);
@@ -931,10 +929,7 @@ void fastcall kick_iocb(struct kiocb *iocb)
return;
}
- /* If its already kicked we shouldn't queue it again */
- if (!kiocbTryKick(iocb)) {
- queue_kicked_iocb(iocb);
- }
+ try_queue_kicked_iocb(iocb);
}
EXPORT_SYMBOL(kick_iocb);
@@ -1322,8 +1317,11 @@ asmlinkage long sys_io_destroy(aio_context_t ctx)
}
/*
- * Default retry method for aio_read (also used for first time submit)
- * Responsible for updating iocb state as retries progress
+ * aio_p{read,write} are the default ki_retry methods for
+ * IO_CMD_P{READ,WRITE}. They maintains kiocb retry state around potentially
+ * multiple calls to f_op->aio_read(). They loop around partial progress
+ * instead of returning -EIOCBRETRY because they don't have the means to call
+ * kick_iocb().
*/
static ssize_t aio_pread(struct kiocb *iocb)
{
@@ -1332,25 +1330,25 @@ static ssize_t aio_pread(struct kiocb *iocb)
struct inode *inode = mapping->host;
ssize_t ret = 0;
- ret = file->f_op->aio_read(iocb, iocb->ki_buf,
- iocb->ki_left, iocb->ki_pos);
+ do {
+ ret = file->f_op->aio_read(iocb, iocb->ki_buf,
+ iocb->ki_left, iocb->ki_pos);
+ /*
+ * Can't just depend on iocb->ki_left to determine
+ * whether we are done. This may have been a short read.
+ */
+ if (ret > 0) {
+ iocb->ki_buf += ret;
+ iocb->ki_left -= ret;
+ }
- /*
- * Can't just depend on iocb->ki_left to determine
- * whether we are done. This may have been a short read.
- */
- if (ret > 0) {
- iocb->ki_buf += ret;
- iocb->ki_left -= ret;
/*
- * For pipes and sockets we return once we have
- * some data; for regular files we retry till we
- * complete the entire read or find that we can't
- * read any more data (e.g short reads).
+ * For pipes and sockets we return once we have some data; for
+ * regular files we retry till we complete the entire read or
+ * find that we can't read any more data (e.g short reads).
*/
- if (!S_ISFIFO(inode->i_mode) && !S_ISSOCK(inode->i_mode))
- ret = -EIOCBRETRY;
- }
+ } while (ret > 0 && iocb->ki_left > 0 &&
+ !S_ISFIFO(inode->i_mode) && !S_ISSOCK(inode->i_mode));
/* This means we must have transferred all that we could */
/* No need to retry anymore */
@@ -1360,27 +1358,21 @@ static ssize_t aio_pread(struct kiocb *iocb)
return ret;
}
-/*
- * Default retry method for aio_write (also used for first time submit)
- * Responsible for updating iocb state as retries progress
- */
+/* see aio_pread() */
static ssize_t aio_pwrite(struct kiocb *iocb)
{
struct file *file = iocb->ki_filp;
ssize_t ret = 0;
- ret = file->f_op->aio_write(iocb, iocb->ki_buf,
- iocb->ki_left, iocb->ki_pos);
-
- if (ret > 0) {
- iocb->ki_buf += ret;
- iocb->ki_left -= ret;
-
- ret = -EIOCBRETRY;
- }
+ do {
+ ret = file->f_op->aio_write(iocb, iocb->ki_buf,
+ iocb->ki_left, iocb->ki_pos);
+ if (ret > 0) {
+ iocb->ki_buf += ret;
+ iocb->ki_left -= ret;
+ }
+ } while (ret > 0 && iocb->ki_left > 0);
- /* This means we must have transferred all that we could */
- /* No need to retry anymore */
if ((ret == 0) || (iocb->ki_left == 0))
ret = iocb->ki_nbytes - iocb->ki_left;
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index e240c335eb2..5af928fa044 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -108,7 +108,7 @@ static int bfs_create(struct inode * dir, struct dentry * dentry, int mode,
inode->i_mapping->a_ops = &bfs_aops;
inode->i_mode = mode;
inode->i_ino = ino;
- BFS_I(inode)->i_dsk_ino = cpu_to_le16(ino);
+ BFS_I(inode)->i_dsk_ino = ino;
BFS_I(inode)->i_sblock = 0;
BFS_I(inode)->i_eblock = 0;
insert_inode_hash(inode);
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index c7b39aa279d..3af6c73c5b5 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -357,28 +357,46 @@ static int bfs_fill_super(struct super_block *s, void *data, int silent)
}
info->si_blocks = (le32_to_cpu(bfs_sb->s_end) + 1)>>BFS_BSIZE_BITS; /* for statfs(2) */
- info->si_freeb = (le32_to_cpu(bfs_sb->s_end) + 1 - cpu_to_le32(bfs_sb->s_start))>>BFS_BSIZE_BITS;
+ info->si_freeb = (le32_to_cpu(bfs_sb->s_end) + 1 - le32_to_cpu(bfs_sb->s_start))>>BFS_BSIZE_BITS;
info->si_freei = 0;
info->si_lf_eblk = 0;
info->si_lf_sblk = 0;
info->si_lf_ioff = 0;
+ bh = NULL;
for (i=BFS_ROOT_INO; i<=info->si_lasti; i++) {
- inode = iget(s,i);
- if (BFS_I(inode)->i_dsk_ino == 0)
+ struct bfs_inode *di;
+ int block = (i - BFS_ROOT_INO)/BFS_INODES_PER_BLOCK + 1;
+ int off = (i - BFS_ROOT_INO) % BFS_INODES_PER_BLOCK;
+ unsigned long sblock, eblock;
+
+ if (!off) {
+ brelse(bh);
+ bh = sb_bread(s, block);
+ }
+
+ if (!bh)
+ continue;
+
+ di = (struct bfs_inode *)bh->b_data + off;
+
+ if (!di->i_ino) {
info->si_freei++;
- else {
- set_bit(i, info->si_imap);
- info->si_freeb -= inode->i_blocks;
- if (BFS_I(inode)->i_eblock > info->si_lf_eblk) {
- info->si_lf_eblk = BFS_I(inode)->i_eblock;
- info->si_lf_sblk = BFS_I(inode)->i_sblock;
- info->si_lf_ioff = BFS_INO2OFF(i);
- }
+ continue;
+ }
+ set_bit(i, info->si_imap);
+ info->si_freeb -= BFS_FILEBLOCKS(di);
+
+ sblock = le32_to_cpu(di->i_sblock);
+ eblock = le32_to_cpu(di->i_eblock);
+ if (eblock > info->si_lf_eblk) {
+ info->si_lf_eblk = eblock;
+ info->si_lf_sblk = sblock;
+ info->si_lf_ioff = BFS_INO2OFF(i);
}
- iput(inode);
}
+ brelse(bh);
if (!(s->s_flags & MS_RDONLY)) {
- mark_buffer_dirty(bh);
+ mark_buffer_dirty(info->si_sbh);
s->s_dirt = 1;
}
dump_imap("read_super", s);
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 7976a238f0a..d4b15576e58 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -905,7 +905,7 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs)
send_sig(SIGKILL, current, 0);
goto out_free_dentry;
}
- if (padzero(elf_bss)) {
+ if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) {
send_sig(SIGSEGV, current, 0);
retval = -EFAULT; /* Nobody gets to see this, but.. */
goto out_free_dentry;
diff --git a/fs/bio.c b/fs/bio.c
index 83a34957456..7d81a93afd4 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -75,7 +75,7 @@ struct bio_set {
*/
static struct bio_set *fs_bio_set;
-static inline struct bio_vec *bvec_alloc_bs(unsigned int __nocast gfp_mask, int nr, unsigned long *idx, struct bio_set *bs)
+static inline struct bio_vec *bvec_alloc_bs(gfp_t gfp_mask, int nr, unsigned long *idx, struct bio_set *bs)
{
struct bio_vec *bvl;
struct biovec_slab *bp;
@@ -155,7 +155,7 @@ inline void bio_init(struct bio *bio)
* allocate bio and iovecs from the memory pools specified by the
* bio_set structure.
**/
-struct bio *bio_alloc_bioset(unsigned int __nocast gfp_mask, int nr_iovecs, struct bio_set *bs)
+struct bio *bio_alloc_bioset(gfp_t gfp_mask, int nr_iovecs, struct bio_set *bs)
{
struct bio *bio = mempool_alloc(bs->bio_pool, gfp_mask);
@@ -181,7 +181,7 @@ out:
return bio;
}
-struct bio *bio_alloc(unsigned int __nocast gfp_mask, int nr_iovecs)
+struct bio *bio_alloc(gfp_t gfp_mask, int nr_iovecs)
{
struct bio *bio = bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set);
@@ -277,7 +277,7 @@ inline void __bio_clone(struct bio *bio, struct bio *bio_src)
*
* Like __bio_clone, only also allocates the returned bio
*/
-struct bio *bio_clone(struct bio *bio, unsigned int __nocast gfp_mask)
+struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask)
{
struct bio *b = bio_alloc_bioset(gfp_mask, bio->bi_max_vecs, fs_bio_set);
@@ -1078,7 +1078,7 @@ struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors)
return bp;
}
-static void *bio_pair_alloc(unsigned int __nocast gfp_flags, void *data)
+static void *bio_pair_alloc(gfp_t gfp_flags, void *data)
{
return kmalloc(sizeof(struct bio_pair), gfp_flags);
}
diff --git a/fs/buffer.c b/fs/buffer.c
index 6cbfceabd95..1216c0d3c8c 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3045,7 +3045,7 @@ static void recalc_bh_state(void)
buffer_heads_over_limit = (tot > max_buffer_heads);
}
-struct buffer_head *alloc_buffer_head(unsigned int __nocast gfp_flags)
+struct buffer_head *alloc_buffer_head(gfp_t gfp_flags)
{
struct buffer_head *ret = kmem_cache_alloc(bh_cachep, gfp_flags);
if (ret) {
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 6454022b053..657ab11c173 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -23,6 +23,10 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir)
struct fuse_file *ff;
int err;
+ /* VFS checks this, but only _after_ ->open() */
+ if (file->f_flags & O_DIRECT)
+ return -EINVAL;
+
err = generic_file_open(inode, file);
if (err)
return err;
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 59c5062cd63..dd711310626 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -793,11 +793,6 @@ int hostfs_rename(struct inode *from_ino, struct dentry *from,
return(err);
}
-void hostfs_truncate(struct inode *ino)
-{
- not_implemented();
-}
-
int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd)
{
char *name;
@@ -894,7 +889,6 @@ static struct inode_operations hostfs_iops = {
.rmdir = hostfs_rmdir,
.mknod = hostfs_mknod,
.rename = hostfs_rename,
- .truncate = hostfs_truncate,
.permission = hostfs_permission,
.setattr = hostfs_setattr,
.getattr = hostfs_getattr,
@@ -910,7 +904,6 @@ static struct inode_operations hostfs_dir_iops = {
.rmdir = hostfs_rmdir,
.mknod = hostfs_mknod,
.rename = hostfs_rename,
- .truncate = hostfs_truncate,
.permission = hostfs_permission,
.setattr = hostfs_setattr,
.getattr = hostfs_getattr,
diff --git a/fs/mpage.c b/fs/mpage.c
index bb9aebe9386..c5adcdddf3c 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -102,7 +102,7 @@ static struct bio *mpage_bio_submit(int rw, struct bio *bio)
static struct bio *
mpage_alloc(struct block_device *bdev,
sector_t first_sector, int nr_vecs,
- unsigned int __nocast gfp_flags)
+ gfp_t gfp_flags)
{
struct bio *bio;
diff --git a/fs/namei.c b/fs/namei.c
index 043d587216b..aa62dbda93a 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1551,19 +1551,19 @@ do_link:
if (nd->last_type != LAST_NORM)
goto exit;
if (nd->last.name[nd->last.len]) {
- putname(nd->last.name);
+ __putname(nd->last.name);
goto exit;
}
error = -ELOOP;
if (count++==32) {
- putname(nd->last.name);
+ __putname(nd->last.name);
goto exit;
}
dir = nd->dentry;
down(&dir->d_inode->i_sem);
path.dentry = __lookup_hash(&nd->last, nd->dentry, nd);
path.mnt = nd->mnt;
- putname(nd->last.name);
+ __putname(nd->last.name);
goto do_last;
}
diff --git a/fs/nfs_common/nfsacl.c b/fs/nfs_common/nfsacl.c
index 251e5a1bb1c..0c2be8c0307 100644
--- a/fs/nfs_common/nfsacl.c
+++ b/fs/nfs_common/nfsacl.c
@@ -48,43 +48,26 @@ xdr_nfsace_encode(struct xdr_array2_desc *desc, void *elem)
(struct nfsacl_encode_desc *) desc;
u32 *p = (u32 *) elem;
- if (nfsacl_desc->count < nfsacl_desc->acl->a_count) {
- struct posix_acl_entry *entry =
- &nfsacl_desc->acl->a_entries[nfsacl_desc->count++];
+ struct posix_acl_entry *entry =
+ &nfsacl_desc->acl->a_entries[nfsacl_desc->count++];
- *p++ = htonl(entry->e_tag | nfsacl_desc->typeflag);
- switch(entry->e_tag) {
- case ACL_USER_OBJ:
- *p++ = htonl(nfsacl_desc->uid);
- break;
- case ACL_GROUP_OBJ:
- *p++ = htonl(nfsacl_desc->gid);
- break;
- case ACL_USER:
- case ACL_GROUP:
- *p++ = htonl(entry->e_id);
- break;
- default: /* Solaris depends on that! */
- *p++ = 0;
- break;
- }
- *p++ = htonl(entry->e_perm & S_IRWXO);
- } else {
- const struct posix_acl_entry *pa, *pe;
- int group_obj_perm = ACL_READ|ACL_WRITE|ACL_EXECUTE;
-
- FOREACH_ACL_ENTRY(pa, nfsacl_desc->acl, pe) {
- if (pa->e_tag == ACL_GROUP_OBJ) {
- group_obj_perm = pa->e_perm & S_IRWXO;
- break;
- }
- }
- /* fake up ACL_MASK entry */
- *p++ = htonl(ACL_MASK | nfsacl_desc->typeflag);
- *p++ = htonl(0);
- *p++ = htonl(group_obj_perm);
+ *p++ = htonl(entry->e_tag | nfsacl_desc->typeflag);
+ switch(entry->e_tag) {
+ case ACL_USER_OBJ:
+ *p++ = htonl(nfsacl_desc->uid);
+ break;
+ case ACL_GROUP_OBJ:
+ *p++ = htonl(nfsacl_desc->gid);
+ break;
+ case ACL_USER:
+ case ACL_GROUP:
+ *p++ = htonl(entry->e_id);
+ break;
+ default: /* Solaris depends on that! */
+ *p++ = 0;
+ break;
}
-
+ *p++ = htonl(entry->e_perm & S_IRWXO);
return 0;
}
@@ -105,11 +88,28 @@ nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode,
.gid = inode->i_gid,
};
int err;
+ struct posix_acl *acl2 = NULL;
if (entries > NFS_ACL_MAX_ENTRIES ||
xdr_encode_word(buf, base, entries))
return -EINVAL;
+ if (encode_entries && acl && acl->a_count == 3) {
+ /* Fake up an ACL_MASK entry. */
+ acl2 = posix_acl_alloc(4, GFP_KERNEL);
+ if (!acl2)
+ return -ENOMEM;
+ /* Insert entries in canonical order: other orders seem
+ to confuse Solaris VxFS. */
+ acl2->a_entries[0] = acl->a_entries[0]; /* ACL_USER_OBJ */
+ acl2->a_entries[1] = acl->a_entries[1]; /* ACL_GROUP_OBJ */
+ acl2->a_entries[2] = acl->a_entries[1]; /* ACL_MASK */
+ acl2->a_entries[2].e_tag = ACL_MASK;
+ acl2->a_entries[3] = acl->a_entries[2]; /* ACL_OTHER */
+ nfsacl_desc.acl = acl2;
+ }
err = xdr_encode_array2(buf, base + 4, &nfsacl_desc.desc);
+ if (acl2)
+ posix_acl_release(acl2);
if (!err)
err = 8 + nfsacl_desc.desc.elem_size *
nfsacl_desc.desc.array_len;
diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog
index 83f3322765c..de58579a1d0 100644
--- a/fs/ntfs/ChangeLog
+++ b/fs/ntfs/ChangeLog
@@ -102,6 +102,9 @@ ToDo/Notes:
inode instead of a vfs inode as parameter.
- Fix the definition of the CHKD ntfs record magic. It had an off by
two error causing it to be CHKB instead of CHKD.
+ - Fix a stupid bug in __ntfs_bitmap_set_bits_in_run() which caused the
+ count to become negative and hence we had a wild memset() scribbling
+ all over the system's ram.
2.1.23 - Implement extension of resident files and make writing safe as well as
many bug fixes, cleanups, and enhancements...
diff --git a/fs/ntfs/bitmap.c b/fs/ntfs/bitmap.c
index 12cf2e30c7d..7a190cdc60e 100644
--- a/fs/ntfs/bitmap.c
+++ b/fs/ntfs/bitmap.c
@@ -1,7 +1,7 @@
/*
* bitmap.c - NTFS kernel bitmap handling. Part of the Linux-NTFS project.
*
- * Copyright (c) 2004 Anton Altaparmakov
+ * Copyright (c) 2004-2005 Anton Altaparmakov
*
* This program/include file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
@@ -90,7 +90,8 @@ int __ntfs_bitmap_set_bits_in_run(struct inode *vi, const s64 start_bit,
/* If the first byte is partial, modify the appropriate bits in it. */
if (bit) {
u8 *byte = kaddr + pos;
- while ((bit & 7) && cnt--) {
+ while ((bit & 7) && cnt) {
+ cnt--;
if (value)
*byte |= 1 << bit++;
else
diff --git a/fs/ntfs/layout.h b/fs/ntfs/layout.h
index 01f2dfa39ce..5c248d404f0 100644
--- a/fs/ntfs/layout.h
+++ b/fs/ntfs/layout.h
@@ -309,7 +309,7 @@ typedef le16 MFT_RECORD_FLAGS;
* Note: The _LE versions will return a CPU endian formatted value!
*/
#define MFT_REF_MASK_CPU 0x0000ffffffffffffULL
-#define MFT_REF_MASK_LE const_cpu_to_le64(0x0000ffffffffffffULL)
+#define MFT_REF_MASK_LE const_cpu_to_le64(MFT_REF_MASK_CPU)
typedef u64 MFT_REF;
typedef le64 leMFT_REF;
diff --git a/fs/ntfs/malloc.h b/fs/ntfs/malloc.h
index 006946efca8..590887b943f 100644
--- a/fs/ntfs/malloc.h
+++ b/fs/ntfs/malloc.h
@@ -40,7 +40,7 @@
* Depending on @gfp_mask the allocation may be guaranteed to succeed.
*/
static inline void *__ntfs_malloc(unsigned long size,
- unsigned int __nocast gfp_mask)
+ gfp_t gfp_mask)
{
if (likely(size <= PAGE_SIZE)) {
BUG_ON(!size);
diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c
index 247586d1d5d..b011369b595 100644
--- a/fs/ntfs/mft.c
+++ b/fs/ntfs/mft.c
@@ -58,7 +58,8 @@ static inline MFT_RECORD *map_mft_record_page(ntfs_inode *ni)
* overflowing the unsigned long, but I don't think we would ever get
* here if the volume was that big...
*/
- index = ni->mft_no << vol->mft_record_size_bits >> PAGE_CACHE_SHIFT;
+ index = (u64)ni->mft_no << vol->mft_record_size_bits >>
+ PAGE_CACHE_SHIFT;
ofs = (ni->mft_no << vol->mft_record_size_bits) & ~PAGE_CACHE_MASK;
i_size = i_size_read(mft_vi);
diff --git a/fs/ntfs/unistr.c b/fs/ntfs/unistr.c
index a389a5a16c8..0ea887fc859 100644
--- a/fs/ntfs/unistr.c
+++ b/fs/ntfs/unistr.c
@@ -1,7 +1,7 @@
/*
* unistr.c - NTFS Unicode string handling. Part of the Linux-NTFS project.
*
- * Copyright (c) 2001-2004 Anton Altaparmakov
+ * Copyright (c) 2001-2005 Anton Altaparmakov
*
* This program/include file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 296480e96dd..6c8dcf7613f 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -35,7 +35,7 @@ EXPORT_SYMBOL(posix_acl_permission);
* Allocate a new ACL with the specified number of entries.
*/
struct posix_acl *
-posix_acl_alloc(int count, unsigned int __nocast flags)
+posix_acl_alloc(int count, gfp_t flags)
{
const size_t size = sizeof(struct posix_acl) +
count * sizeof(struct posix_acl_entry);
@@ -51,7 +51,7 @@ posix_acl_alloc(int count, unsigned int __nocast flags)
* Clone an ACL.
*/
struct posix_acl *
-posix_acl_clone(const struct posix_acl *acl, unsigned int __nocast flags)
+posix_acl_clone(const struct posix_acl *acl, gfp_t flags)
{
struct posix_acl *clone = NULL;
@@ -185,7 +185,7 @@ posix_acl_equiv_mode(const struct posix_acl *acl, mode_t *mode_p)
* Create an ACL representing the file mode permission bits of an inode.
*/
struct posix_acl *
-posix_acl_from_mode(mode_t mode, unsigned int __nocast flags)
+posix_acl_from_mode(mode_t mode, gfp_t flags)
{
struct posix_acl *acl = posix_acl_alloc(3, flags);
if (!acl)
diff --git a/fs/read_write.c b/fs/read_write.c
index b60324aaa2b..a091ee4f430 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -499,6 +499,9 @@ static ssize_t do_readv_writev(int type, struct file *file,
ret = rw_verify_area(type, file, pos, tot_len);
if (ret)
goto out;
+ ret = security_file_permission(file, type == READ ? MAY_READ : MAY_WRITE);
+ if (ret)
+ goto out;
fnv = NULL;
if (type == READ) {
diff --git a/fs/relayfs/buffers.c b/fs/relayfs/buffers.c
index 2aa8e271999..84e21ffa5ca 100644
--- a/fs/relayfs/buffers.c
+++ b/fs/relayfs/buffers.c
@@ -109,7 +109,7 @@ static void *relay_alloc_buf(struct rchan_buf *buf, unsigned long size)
if (unlikely(!buf->page_array[i]))
goto depopulate;
}
- mem = vmap(buf->page_array, n_pages, GFP_KERNEL, PAGE_KERNEL);
+ mem = vmap(buf->page_array, n_pages, VM_MAP, PAGE_KERNEL);
if (!mem)
goto depopulate;
diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c
index 4b184559f23..d2653b589b1 100644
--- a/fs/xfs/linux-2.6/kmem.c
+++ b/fs/xfs/linux-2.6/kmem.c
@@ -45,7 +45,7 @@
void *
-kmem_alloc(size_t size, unsigned int __nocast flags)
+kmem_alloc(size_t size, gfp_t flags)
{
int retries = 0;
unsigned int lflags = kmem_flags_convert(flags);
@@ -67,7 +67,7 @@ kmem_alloc(size_t size, unsigned int __nocast flags)
}
void *
-kmem_zalloc(size_t size, unsigned int __nocast flags)
+kmem_zalloc(size_t size, gfp_t flags)
{
void *ptr;
@@ -90,7 +90,7 @@ kmem_free(void *ptr, size_t size)
void *
kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
- unsigned int __nocast flags)
+ gfp_t flags)
{
void *new;
@@ -105,7 +105,7 @@ kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
}
void *
-kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags)
+kmem_zone_alloc(kmem_zone_t *zone, gfp_t flags)
{
int retries = 0;
unsigned int lflags = kmem_flags_convert(flags);
@@ -124,7 +124,7 @@ kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags)
}
void *
-kmem_zone_zalloc(kmem_zone_t *zone, unsigned int __nocast flags)
+kmem_zone_zalloc(kmem_zone_t *zone, gfp_t flags)
{
void *ptr;
diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h
index 109fcf27e25..ee7010f085b 100644
--- a/fs/xfs/linux-2.6/kmem.h
+++ b/fs/xfs/linux-2.6/kmem.h
@@ -81,7 +81,7 @@ typedef unsigned long xfs_pflags_t;
*(NSTATEP) = *(OSTATEP); \
} while (0)
-static __inline unsigned int kmem_flags_convert(unsigned int __nocast flags)
+static __inline unsigned int kmem_flags_convert(gfp_t flags)
{
unsigned int lflags = __GFP_NOWARN; /* we'll report problems, if need be */
@@ -125,13 +125,12 @@ kmem_zone_destroy(kmem_zone_t *zone)
BUG();
}
-extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast);
-extern void *kmem_zone_alloc(kmem_zone_t *, unsigned int __nocast);
+extern void *kmem_zone_zalloc(kmem_zone_t *, gfp_t);
+extern void *kmem_zone_alloc(kmem_zone_t *, gfp_t);
-extern void *kmem_alloc(size_t, unsigned int __nocast);
-extern void *kmem_realloc(void *, size_t, size_t,
- unsigned int __nocast);
-extern void *kmem_zalloc(size_t, unsigned int __nocast);
+extern void *kmem_alloc(size_t, gfp_t);
+extern void *kmem_realloc(void *, size_t, size_t, gfp_t);
+extern void *kmem_zalloc(size_t, gfp_t);
extern void kmem_free(void *, size_t);
typedef struct shrinker *kmem_shaker_t;