public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-05-21 00:22:33 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

closures: closure_nr_remaining()

Browse source 
Factor out a new helper, which returns the number of events outstanding.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-03-04 02:39:39 -05:00
parent ced58fc7ab
commit 48b7935722
1 changed files with 6 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
include/linux/closure.h
View file

@ -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);
}