diff options
| author | David Sterba <dsterba@suse.com> | 2019-05-02 16:47:23 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-07-02 12:30:47 +0200 |
| commit | 06297d8cefcaa2029c4cb71b79285d2bfff06d4d (patch) | |
| tree | bbf684133e27424453c3a72fbd8b348feb3df9bd /fs/btrfs/extent_io.c | |
| parent | 38e9372e391deabf19c76c88b59b5e16f304627a (diff) | |
btrfs: switch extent_buffer blocking_writers from atomic to int
The blocking_writers is either 0 or 1 and always updated under the lock,
so we don't need the atomic_t semantics.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent_io.c')
| -rw-r--r-- | fs/btrfs/extent_io.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 43761ecd1201..6c49db9bfcf1 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4857,7 +4857,7 @@ __alloc_extent_buffer(struct btrfs_fs_info *fs_info, u64 start, eb->bflags = 0; rwlock_init(&eb->lock); atomic_set(&eb->blocking_readers, 0); - atomic_set(&eb->blocking_writers, 0); + eb->blocking_writers = 0; eb->lock_nested = false; init_waitqueue_head(&eb->write_lock_wq); init_waitqueue_head(&eb->read_lock_wq); |