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| author | David Sterba <dsterba@suse.com> | 2019-05-02 17:47:23 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-07-02 13:30:47 +0300 |
| commit | 06297d8cefcaa2029c4cb71b79285d2bfff06d4d (patch) | |
| tree | bbf684133e27424453c3a72fbd8b348feb3df9bd /fs/btrfs/extent_io.h | |
| parent | 38e9372e391deabf19c76c88b59b5e16f304627a (diff) | |
| download | linux-06297d8cefcaa2029c4cb71b79285d2bfff06d4d.tar.xz | |
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.h')
| -rw-r--r-- | fs/btrfs/extent_io.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index aa18a16a6ed7..201da61dfc21 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -167,7 +167,7 @@ struct extent_buffer { struct rcu_head rcu_head; pid_t lock_owner; - atomic_t blocking_writers; + int blocking_writers; atomic_t blocking_readers; bool lock_nested; /* >= 0 if eb belongs to a log tree, -1 otherwise */ |