diff options
| author | David Sterba <dsterba@suse.com> | 2018-08-24 16:24:26 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-04-29 19:02:21 +0200 |
| commit | c79adfc085c0662385cfcb55f15590303212e8e9 (patch) | |
| tree | 56de865729349310e8e70178deb57a392104a757 /fs/btrfs/extent_io.h | |
| parent | e3f153886702302482918a3788ba3bb24a37a4aa (diff) | |
| download | linux-c79adfc085c0662385cfcb55f15590303212e8e9.tar.gz linux-c79adfc085c0662385cfcb55f15590303212e8e9.tar.bz2 linux-c79adfc085c0662385cfcb55f15590303212e8e9.zip | |
btrfs: use assertion helpers for extent buffer write lock counters
Use the helpers where open coded. On non-debug builds, the warnings will
not trigger and extent_buffer::write_locks become unused and can be
moved to the appropriate section, saving a few bytes.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent_io.h')
| -rw-r--r-- | fs/btrfs/extent_io.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 41c5d0e9dc75..43a9530279db 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -160,8 +160,6 @@ struct extent_buffer { struct rcu_head rcu_head; pid_t lock_owner; - /* count of read lock holders on the extent buffer */ - atomic_t write_locks; atomic_t blocking_writers; atomic_t blocking_readers; short lock_nested; @@ -185,6 +183,7 @@ struct extent_buffer { atomic_t spinning_writers; atomic_t spinning_readers; atomic_t read_locks; + atomic_t write_locks; struct list_head leak_list; #endif }; |