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| 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/inode.c | |
| parent | 3d3a2e610ea5e7c6d4f9481ecce5d8e2d8317843 (diff) | |
| download | linux-stable-093258e6ebaf178bb25da514f0d1f744968cc900.tar.gz linux-stable-093258e6ebaf178bb25da514f0d1f744968cc900.tar.bz2 linux-stable-093258e6ebaf178bb25da514f0d1f744968cc900.zip | |
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/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 6757fe136177..563e63fa2fce 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1156,13 +1156,10 @@ static noinline void async_cow_submit(struct btrfs_work *work) nr_pages = (async_cow->end - async_cow->start + PAGE_SIZE) >> PAGE_SHIFT; - /* - * atomic_sub_return implies a barrier for waitqueue_active - */ + /* atomic_sub_return implies a barrier */ if (atomic_sub_return(nr_pages, &fs_info->async_delalloc_pages) < - 5 * SZ_1M && - waitqueue_active(&fs_info->async_submit_wait)) - wake_up(&fs_info->async_submit_wait); + 5 * SZ_1M) + cond_wake_up_nomb(&fs_info->async_submit_wait); if (async_cow->inode) submit_compressed_extents(async_cow->inode, async_cow); |