aboutsummaryrefslogtreecommitdiff
path: root/fs/udf
diff options
context:
space:
mode:
Diffstat (limited to 'fs/udf')
-rw-r--r--fs/udf/balloc.c37
-rw-r--r--fs/udf/ialloc.c5
-rw-r--r--fs/udf/super.c44
-rw-r--r--fs/udf/udf_sb.h2
-rw-r--r--fs/udf/udfdecl.h11
5 files changed, 52 insertions, 47 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index 58be702cb42..e48e9a3af76 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -140,17 +140,17 @@ static inline int load_block_bitmap(struct super_block *sb,
return slot;
}
-static bool udf_add_free_space(struct udf_sb_info *sbi,
- u16 partition, u32 cnt)
+static void udf_add_free_space(struct super_block *sb, u16 partition, u32 cnt)
{
+ struct udf_sb_info *sbi = UDF_SB(sb);
struct logicalVolIntegrityDesc *lvid;
- if (sbi->s_lvid_bh == NULL)
- return false;
+ if (!sbi->s_lvid_bh)
+ return;
lvid = (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
le32_add_cpu(&lvid->freeSpaceTable[partition], cnt);
- return true;
+ udf_updated_lvid(sb);
}
static void udf_bitmap_free_blocks(struct super_block *sb,
@@ -209,7 +209,7 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
} else {
if (inode)
vfs_dq_free_block(inode, 1);
- udf_add_free_space(sbi, sbi->s_partition, 1);
+ udf_add_free_space(sb, sbi->s_partition, 1);
}
}
mark_buffer_dirty(bh);
@@ -220,9 +220,6 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
} while (overflow);
error_return:
- sb->s_dirt = 1;
- if (sbi->s_lvid_bh)
- mark_buffer_dirty(sbi->s_lvid_bh);
mutex_unlock(&sbi->s_alloc_mutex);
}
@@ -279,9 +276,7 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
} while (block_count > 0);
out:
- if (udf_add_free_space(sbi, partition, -alloc_count))
- mark_buffer_dirty(sbi->s_lvid_bh);
- sb->s_dirt = 1;
+ udf_add_free_space(sb, partition, -alloc_count);
mutex_unlock(&sbi->s_alloc_mutex);
return alloc_count;
}
@@ -411,9 +406,7 @@ got_block:
mark_buffer_dirty(bh);
- if (udf_add_free_space(sbi, partition, -1))
- mark_buffer_dirty(sbi->s_lvid_bh);
- sb->s_dirt = 1;
+ udf_add_free_space(sb, partition, -1);
mutex_unlock(&sbi->s_alloc_mutex);
*err = 0;
return newblock;
@@ -457,8 +450,7 @@ static void udf_table_free_blocks(struct super_block *sb,
could occure, but.. oh well */
if (inode)
vfs_dq_free_block(inode, count);
- if (udf_add_free_space(sbi, sbi->s_partition, count))
- mark_buffer_dirty(sbi->s_lvid_bh);
+ udf_add_free_space(sb, sbi->s_partition, count);
start = bloc->logicalBlockNum + offset;
end = bloc->logicalBlockNum + offset + count - 1;
@@ -657,7 +649,6 @@ static void udf_table_free_blocks(struct super_block *sb,
brelse(oepos.bh);
error_return:
- sb->s_dirt = 1;
mutex_unlock(&sbi->s_alloc_mutex);
return;
}
@@ -722,10 +713,8 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
brelse(epos.bh);
- if (alloc_count && udf_add_free_space(sbi, partition, -alloc_count)) {
- mark_buffer_dirty(sbi->s_lvid_bh);
- sb->s_dirt = 1;
- }
+ if (alloc_count)
+ udf_add_free_space(sb, partition, -alloc_count);
mutex_unlock(&sbi->s_alloc_mutex);
return alloc_count;
}
@@ -823,10 +812,8 @@ static int udf_table_new_block(struct super_block *sb,
udf_delete_aext(table, goal_epos, goal_eloc, goal_elen);
brelse(goal_epos.bh);
- if (udf_add_free_space(sbi, partition, -1))
- mark_buffer_dirty(sbi->s_lvid_bh);
+ udf_add_free_space(sb, partition, -1);
- sb->s_dirt = 1;
mutex_unlock(&sbi->s_alloc_mutex);
*err = 0;
return newblock;
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 6eb279d5f4f..c10fa39f97e 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -49,8 +49,7 @@ void udf_free_inode(struct inode *inode)
le32_add_cpu(&lvidiu->numDirs, -1);
else
le32_add_cpu(&lvidiu->numFiles, -1);
-
- mark_buffer_dirty(sbi->s_lvid_bh);
+ udf_updated_lvid(sb);
}
mutex_unlock(&sbi->s_alloc_mutex);
@@ -122,7 +121,7 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
if (!(++uniqueID & 0x00000000FFFFFFFFUL))
uniqueID += 16;
lvhd->uniqueID = cpu_to_le64(uniqueID);
- mark_buffer_dirty(sbi->s_lvid_bh);
+ udf_updated_lvid(sb);
}
mutex_unlock(&sbi->s_alloc_mutex);
inode->i_mode = mode;
diff --git a/fs/udf/super.c b/fs/udf/super.c
index cae079eb5dd..72348cc855a 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -81,7 +81,7 @@ static char error_buf[1024];
/* These are the "meat" - everything else is stuffing */
static int udf_fill_super(struct super_block *, void *, int);
static void udf_put_super(struct super_block *);
-static void udf_write_super(struct super_block *);
+static int udf_sync_fs(struct super_block *, int);
static int udf_remount_fs(struct super_block *, int *, char *);
static void udf_load_logicalvolint(struct super_block *, struct kernel_extent_ad);
static int udf_find_fileset(struct super_block *, struct kernel_lb_addr *,
@@ -178,7 +178,7 @@ static const struct super_operations udf_sb_ops = {
.delete_inode = udf_delete_inode,
.clear_inode = udf_clear_inode,
.put_super = udf_put_super,
- .write_super = udf_write_super,
+ .sync_fs = udf_sync_fs,
.statfs = udf_statfs,
.remount_fs = udf_remount_fs,
.show_options = udf_show_options,
@@ -553,17 +553,6 @@ static int udf_parse_options(char *options, struct udf_options *uopt,
return 1;
}
-static void udf_write_super(struct super_block *sb)
-{
- lock_kernel();
-
- if (!(sb->s_flags & MS_RDONLY))
- udf_open_lvid(sb);
- sb->s_dirt = 0;
-
- unlock_kernel();
-}
-
static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
{
struct udf_options uopt;
@@ -1753,9 +1742,9 @@ static void udf_open_lvid(struct super_block *sb)
struct buffer_head *bh = sbi->s_lvid_bh;
struct logicalVolIntegrityDesc *lvid;
struct logicalVolIntegrityDescImpUse *lvidiu;
+
if (!bh)
return;
-
lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
lvidiu = udf_sb_lvidiu(sbi);
@@ -1763,7 +1752,7 @@ static void udf_open_lvid(struct super_block *sb)
lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
udf_time_to_disk_stamp(&lvid->recordingDateAndTime,
CURRENT_TIME);
- lvid->integrityType = LVID_INTEGRITY_TYPE_OPEN;
+ lvid->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN);
lvid->descTag.descCRC = cpu_to_le16(
crc_itu_t(0, (char *)lvid + sizeof(struct tag),
@@ -1771,6 +1760,7 @@ static void udf_open_lvid(struct super_block *sb)
lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag);
mark_buffer_dirty(bh);
+ sbi->s_lvid_dirty = 0;
}
static void udf_close_lvid(struct super_block *sb)
@@ -1784,10 +1774,6 @@ static void udf_close_lvid(struct super_block *sb)
return;
lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
-
- if (lvid->integrityType != LVID_INTEGRITY_TYPE_OPEN)
- return;
-
lvidiu = udf_sb_lvidiu(sbi);
lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
@@ -1806,6 +1792,7 @@ static void udf_close_lvid(struct super_block *sb)
lvid->descTag.tagChecksum = udf_tag_checksum(&lvid->descTag);
mark_buffer_dirty(bh);
+ sbi->s_lvid_dirty = 0;
}
static void udf_sb_free_bitmap(struct udf_bitmap *bitmap)
@@ -2092,6 +2079,25 @@ static void udf_put_super(struct super_block *sb)
sb->s_fs_info = NULL;
}
+static int udf_sync_fs(struct super_block *sb, int wait)
+{
+ struct udf_sb_info *sbi = UDF_SB(sb);
+
+ mutex_lock(&sbi->s_alloc_mutex);
+ if (sbi->s_lvid_dirty) {
+ /*
+ * Blockdevice will be synced later so we don't have to submit
+ * the buffer for IO
+ */
+ mark_buffer_dirty(sbi->s_lvid_bh);
+ sb->s_dirt = 0;
+ sbi->s_lvid_dirty = 0;
+ }
+ mutex_unlock(&sbi->s_alloc_mutex);
+
+ return 0;
+}
+
static int udf_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct super_block *sb = dentry->d_sb;
diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h
index 46fea3ea70a..d113b72c276 100644
--- a/fs/udf/udf_sb.h
+++ b/fs/udf/udf_sb.h
@@ -148,6 +148,8 @@ struct udf_sb_info {
struct inode *s_vat_inode;
struct mutex s_alloc_mutex;
+ /* Protected by s_alloc_mutex */
+ unsigned int s_lvid_dirty;
};
static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 9a2a9b61413..cac51b77a5d 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -111,6 +111,17 @@ struct extent_position {
/* super.c */
extern void udf_warning(struct super_block *, const char *, const char *, ...);
+static inline void udf_updated_lvid(struct super_block *sb)
+{
+ struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh;
+
+ BUG_ON(!bh);
+ WARN_ON_ONCE(((struct logicalVolIntegrityDesc *)
+ bh->b_data)->integrityType !=
+ cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN));
+ sb->s_dirt = 1;
+ UDF_SB(sb)->s_lvid_dirty = 1;
+}
/* namei.c */
extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 01:35:43 +0000