diff options
| author | Wang Shilong <wangsl.fnst@cn.fujitsu.com> | 2013-10-25 15:12:02 +0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2013-11-12 07:10:13 +0400 |
| commit | 9b011adfe14977fcda977234609d43ca52463a3d (patch) | |
| tree | a96feceecabdc4bb71d8ff099a4317d3f8f1d9fe /fs/btrfs/tree-log.c | |
| parent | 7fdf4b608dda5eea114cb23623b52e34dd5972f5 (diff) | |
| download | linux-9b011adfe14977fcda977234609d43ca52463a3d.tar.xz | |
Btrfs: remove scrub_super_lock holding in btrfs_sync_log()
Originally, we introduced scrub_super_lock to synchronize
tree log code with scrubbing super.
However we can replace scrub_super_lock with device_list_mutex,
because writing super will hold this mutex, this will reduce an extra
lock holding when writing supers in sync log code.
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/tree-log.c')
| -rw-r--r-- | fs/btrfs/tree-log.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index f98002ed32b1..257cbae8c948 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -2586,9 +2586,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans, * the running transaction open, so a full commit can't hop * in and cause problems either. */ - btrfs_scrub_pause_super(root); ret = write_ctree_super(trans, root->fs_info->tree_root, 1); - btrfs_scrub_continue_super(root); if (ret) { btrfs_abort_transaction(trans, root, ret); goto out_wake_log_root; |