diff options
| author | Gabriel Krisman Bertazi <krisman@suse.de> | 2022-11-15 17:45:52 -0500 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-16 11:33:03 -0700 |
| commit | ee7dc86b6d3e3b86c2c487f713eda657850de238 (patch) | |
| tree | 1b7d6730211636e42f738102bb26eaf8780cc561 /include/linux/wait.h | |
| parent | 976570b4ecd30d3ec6e1b0910da8e5edc591f2b6 (diff) | |
wait: Return number of exclusive waiters awaken
Sbitmap code will need to know how many waiters were actually woken for
its batched wakeups implementation. Return the number of woken
exclusive waiters from __wake_up() to facilitate that.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20221115224553.23594-3-krisman@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/wait.h')
| -rw-r--r-- | include/linux/wait.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h index 7f5a51aae0a7..a0307b516b09 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -209,7 +209,7 @@ __remove_wait_queue(struct wait_queue_head *wq_head, struct wait_queue_entry *wq list_del(&wq_entry->entry); } -void __wake_up(struct wait_queue_head *wq_head, unsigned int mode, int nr, void *key); +int __wake_up(struct wait_queue_head *wq_head, unsigned int mode, int nr, void *key); void __wake_up_locked_key(struct wait_queue_head *wq_head, unsigned int mode, void *key); void __wake_up_locked_key_bookmark(struct wait_queue_head *wq_head, unsigned int mode, void *key, wait_queue_entry_t *bookmark); |