From: Artem Bityutskiy <[email protected]> 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 <[email protected]> --- fs/hfs/inode.c | 2 -- fs/hfs/mdb.c | 2 ++ 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 761ec06..daf3d63 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 1563d5c..3f558d58 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 7b4c537..f7c06bb 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; } -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
