diff options
| author | David Sterba <dsterba@suse.com> | 2019-05-02 16:51:53 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-07-02 12:30:47 +0200 |
| commit | f3dc24c52a28c700e35757dce7b38456888071e1 (patch) | |
| tree | a7f9cac885813362dfdeac6dc2165e961031da71 /fs/btrfs/locking.c | |
| parent | btrfs: switch extent_buffer blocking_writers from atomic to int (diff) | |
| download | linux-f3dc24c52a28c700e35757dce7b38456888071e1.tar.xz linux-f3dc24c52a28c700e35757dce7b38456888071e1.zip | |
btrfs: switch extent_buffer spinning_writers from atomic to int
The spinning_writers is either 0 or 1 and always updated under the lock,
so we don't need the atomic_t semantics.
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/locking.c')
| -rw-r--r-- | fs/btrfs/locking.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c index 5feb01147e19..270667627977 100644 --- a/fs/btrfs/locking.c +++ b/fs/btrfs/locking.c @@ -15,19 +15,19 @@ #ifdef CONFIG_BTRFS_DEBUG static void btrfs_assert_spinning_writers_get(struct extent_buffer *eb) { - WARN_ON(atomic_read(&eb->spinning_writers)); - atomic_inc(&eb->spinning_writers); + WARN_ON(eb->spinning_writers); + eb->spinning_writers++; } static void btrfs_assert_spinning_writers_put(struct extent_buffer *eb) { - WARN_ON(atomic_read(&eb->spinning_writers) != 1); - atomic_dec(&eb->spinning_writers); + WARN_ON(eb->spinning_writers != 1); + eb->spinning_writers--; } static void btrfs_assert_no_spinning_writers(struct extent_buffer *eb) { - WARN_ON(atomic_read(&eb->spinning_writers)); + WARN_ON(eb->spinning_writers); } static void btrfs_assert_spinning_readers_get(struct extent_buffer *eb) |