diff options
Diffstat (limited to 'include/linux/sbitmap.h')
| -rw-r--r-- | include/linux/sbitmap.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/include/linux/sbitmap.h b/include/linux/sbitmap.h index 03f50fcedc79..14d558146aea 100644 --- a/include/linux/sbitmap.h +++ b/include/linux/sbitmap.h @@ -560,13 +560,13 @@ void sbitmap_queue_wake_up(struct sbitmap_queue *sbq); void sbitmap_queue_show(struct sbitmap_queue *sbq, struct seq_file *m); struct sbq_wait { - int accounted; + struct sbitmap_queue *sbq; /* if set, sbq_wait is accounted */ struct wait_queue_entry wait; }; #define DEFINE_SBQ_WAIT(name) \ struct sbq_wait name = { \ - .accounted = 0, \ + .sbq = NULL, \ .wait = { \ .private = current, \ .func = autoremove_wake_function, \ @@ -588,4 +588,16 @@ void sbitmap_prepare_to_wait(struct sbitmap_queue *sbq, void sbitmap_finish_wait(struct sbitmap_queue *sbq, struct sbq_wait_state *ws, struct sbq_wait *sbq_wait); +/* + * Wrapper around add_wait_queue(), which maintains some extra internal state + */ +void sbitmap_add_wait_queue(struct sbitmap_queue *sbq, + struct sbq_wait_state *ws, + struct sbq_wait *sbq_wait); + +/* + * Must be paired with sbitmap_add_wait_queue() + */ +void sbitmap_del_wait_queue(struct sbq_wait *sbq_wait); + #endif /* __LINUX_SCALE_BITMAP_H */ |