diff options
| author | David Sterba <dsterba@suse.com> | 2018-02-26 16:15:17 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-05-28 18:23:09 +0200 |
| commit | 093258e6ebaf178bb25da514f0d1f744968cc900 (patch) | |
| tree | c9ee01a7d5cc576fbe07f0df782088ce504791d1 /fs/btrfs/extent-tree.c | |
| parent | 3d3a2e610ea5e7c6d4f9481ecce5d8e2d8317843 (diff) | |
btrfs: replace waitqueue_actvie with cond_wake_up
Use the wrappers and reduce the amount of low-level details about the
waitqueue management.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 5be54cedb56f1..fa2ed14532c1f 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -11081,12 +11081,7 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range) void btrfs_end_write_no_snapshotting(struct btrfs_root *root) { percpu_counter_dec(&root->subv_writers->counter); - /* - * Make sure counter is updated before we wake up waiters. - */ - smp_mb(); - if (waitqueue_active(&root->subv_writers->wait)) - wake_up(&root->subv_writers->wait); + cond_wake_up(&root->subv_writers->wait); } int btrfs_start_write_no_snapshotting(struct btrfs_root *root) |