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blkcg: rename blkg_try_get to blkg_tryget

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blkg reference counting now uses percpu_ref rather than atomic_t. Let's
make this consistent with css_tryget. This renames blkg_try_get to
blkg_tryget and now returns a bool rather than the blkg or NULL.

Signed-off-by: Dennis Zhou <[email protected]>
Reviewed-by: Josef Bacik <[email protected]>
Acked-by: Tejun Heo <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Dennis Zhou (Facebook) 2018-09-11 14:41:37 -04:00 • committed by Jens Axboe
commit 101246ec02
4 changed files with 9 additions and 12 deletions
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block/blk-iolatency.c
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@ -625,7 +625,7 @@ static void blkiolatency_timer_fn(struct timer_list *t)
* We could be exiting, don't access the pd unless we have a
* ref on the blkg.
*/
if (!blkg_try_get(blkg))
if (!blkg_tryget(blkg))
continue;
iolat = blkg_to_lat(blkg);