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| author |   David Sterba <dsterba@suse.com> | 2019-08-21 18:48:25 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-09-09 14:59:15 +0200 |
| commit | 602cbe91fb012a923a9fea880e600e004eb1543b (patch) | |
| tree | 726a8c9f2373aa9136c7f3d7c6f404534f1a168d /fs/btrfs/ctree.h | |
| parent | btrfs: use proper error values on allocation failure in clone_fs_devices (diff) | |
| download | linux-dev-602cbe91fb012a923a9fea880e600e004eb1543b.tar.xz linux-dev-602cbe91fb012a923a9fea880e600e004eb1543b.zip | |
btrfs: move cond_wake_up functions out of ctree
The file ctree.h serves as a header for everything and has become quite
bloated. Split some helpers that are generic and create a new file that
should be the catch-all for code that's not btrfs-specific.
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index ef40fffb5e46..5cb410cc1502 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3517,26 +3517,4 @@ static inline int btrfs_is_testing(struct btrfs_fs_info *fs_info) } #endif -static inline void cond_wake_up(struct wait_queue_head *wq) -{ - /* - * This implies a full smp_mb barrier, see comments for - * waitqueue_active why. - */ - if (wq_has_sleeper(wq)) - wake_up(wq); -} - -static inline void cond_wake_up_nomb(struct wait_queue_head *wq) -{ - /* - * Special case for conditional wakeup where the barrier required for - * waitqueue_active is implied by some of the preceding code. Eg. one - * of such atomic operations (atomic_dec_and_return, ...), or a - * unlock/lock sequence, etc. - */ - if (waitqueue_active(wq)) - wake_up(wq); -} - #endif |