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| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2012-07-12 17:28:44 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-22 23:58:05 +0400 |
| commit | 715189d836ab276b3d0fc114681f12b423686ffa (patch) | |
| tree | a78c44275d3094363bf6055f114f6da0c909f85f | |
| parent | 9e6c5829b07c9ba6668807631914efc557fab059 (diff) | |
| download | linux-715189d836ab276b3d0fc114681f12b423686ffa.tar.gz linux-715189d836ab276b3d0fc114681f12b423686ffa.tar.bz2 linux-715189d836ab276b3d0fc114681f12b423686ffa.zip | |
hfs: push lock_super down
HFS uses 'lock_super()'/'unlock_super()' around 'hfs_mdb_commit()' in order
to serialize MDB (Master Directory Block) changes. Push it down to
'hfs_mdb_commit()' in order to simplify the code a bit.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/hfs/inode.c | 2 | ||||
| -rw-r--r-- | fs/hfs/mdb.c | 2 | ||||
| -rw-r--r-- | fs/hfs/super.c | 4 |
3 files changed, 2 insertions, 6 deletions
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 451c97281b83..f2deefdb4066 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -645,11 +645,9 @@ static int hfs_file_fsync(struct file *filp, loff_t start, loff_t end, /* sync the superblock to buffers */ sb = inode->i_sb; if (sb->s_dirt) { - lock_super(sb); sb->s_dirt = 0; if (!(sb->s_flags & MS_RDONLY)) hfs_mdb_commit(sb); - unlock_super(sb); } /* .. finally sync the buffers to disk */ err = sync_blockdev(sb->s_bdev); diff --git a/fs/hfs/mdb.c b/fs/hfs/mdb.c index 1563d5ce5764..3f558d58fba2 100644 --- a/fs/hfs/mdb.c +++ b/fs/hfs/mdb.c @@ -260,6 +260,7 @@ void hfs_mdb_commit(struct super_block *sb) { struct hfs_mdb *mdb = HFS_SB(sb)->mdb; + lock_super(sb); if (test_and_clear_bit(HFS_FLG_MDB_DIRTY, &HFS_SB(sb)->flags)) { /* These parameters may have been modified, so write them back */ mdb->drLsMod = hfs_mtime(); @@ -317,6 +318,7 @@ void hfs_mdb_commit(struct super_block *sb) size -= len; } } + unlock_super(sb); } void hfs_mdb_close(struct super_block *sb) diff --git a/fs/hfs/super.c b/fs/hfs/super.c index 7b4c537d6e13..f7c06bbf33bc 100644 --- a/fs/hfs/super.c +++ b/fs/hfs/super.c @@ -50,21 +50,17 @@ MODULE_LICENSE("GPL"); */ static void hfs_write_super(struct super_block *sb) { - lock_super(sb); sb->s_dirt = 0; /* sync everything to the buffers */ if (!(sb->s_flags & MS_RDONLY)) hfs_mdb_commit(sb); - unlock_super(sb); } static int hfs_sync_fs(struct super_block *sb, int wait) { - lock_super(sb); hfs_mdb_commit(sb); sb->s_dirt = 0; - unlock_super(sb); return 0; } |