diff options
| author | Jan Kara <jack@suse.cz> | 2009-12-09 07:51:10 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2009-12-09 07:51:10 +0300 |
| commit | b436b9bef84de6893e86346d8fbf7104bc520645 (patch) | |
| tree | 50fb9ae167bcd622e9adf47646bcf3b4c7dd111d /fs/ext4/super.c | |
| parent | 194074acacebc169ded90a4657193f5180015051 (diff) | |
| download | linux-b436b9bef84de6893e86346d8fbf7104bc520645.tar.xz | |
ext4: Wait for proper transaction commit on fsync
We cannot rely on buffer dirty bits during fsync because pdflush can come
before fsync is called and clear dirty bits without forcing a transaction
commit. What we do is that we track which transaction has last changed
the inode and which transaction last changed allocation and force it to
disk on fsync.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 8ab0c9518473..2b13dcfcf775 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -706,6 +706,8 @@ static struct inode *ext4_alloc_inode(struct super_block *sb) spin_lock_init(&(ei->i_block_reservation_lock)); INIT_LIST_HEAD(&ei->i_aio_dio_complete_list); ei->cur_aio_dio = NULL; + ei->i_sync_tid = 0; + ei->i_datasync_tid = 0; return &ei->vfs_inode; } |