| From | Kent Overstreet <> | Subject | [PATCH 18/32] closures: closure_nr_remaining() | Date | Tue, 9 May 2023 12:56:43 -0400 |
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Factor out a new helper, which returns the number of events outstanding.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> --- include/linux/closure.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/include/linux/closure.h b/include/linux/closure.h index 36b4a83f9b..722a586bb2 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); } -- 2.40.1
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