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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-03-04 10:39:39 +0300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-19 21:47:33 +0300 |
| commit | 48b7935722b8403fec0469ba3dafc5a0af08225d (patch) | |
| tree | 421292130e73b374d757b26d4a6aa89c90710a56 | |
| parent | ced58fc7ab9f2d4b3d8aaeb859321a61aa884f66 (diff) | |
| download | linux-48b7935722b8403fec0469ba3dafc5a0af08225d.tar.xz | |
closures: closure_nr_remaining()
Factor out a new helper, which returns the number of events outstanding.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | include/linux/closure.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/closure.h b/include/linux/closure.h index 36b4a83f9b77..722a586bb224 100644 --- a/include/linux/closure.h +++ b/include/linux/closure.h @@ -172,6 +172,11 @@ void __closure_wake_up(struct closure_waitlist *list); bool closure_wait(struct closure_waitlist *list, struct closure *cl); void __closure_sync(struct closure *cl); +static inline unsigned closure_nr_remaining(struct closure *cl) +{ + return atomic_read(&cl->remaining) & CLOSURE_REMAINING_MASK; +} + /** * closure_sync - sleep until a closure a closure has nothing left to wait on * @@ -180,7 +185,7 @@ void __closure_sync(struct closure *cl); */ static inline void closure_sync(struct closure *cl) { - if ((atomic_read(&cl->remaining) & CLOSURE_REMAINING_MASK) != 1) + if (closure_nr_remaining(cl) != 1) __closure_sync(cl); } |