Commit 3d0aa366 authored Oct 28, 2015 by Linus Torvalds

linux-block

Pull blkcg fix from Jens Axboe:
 "One final fix that should go into 4.3.  It's a simple 2x1 liner,
  fixing a blkcg accounting issue.  It was using the wrong bio member to
  look at the sync and write bits..."

* 'for-linus' of git://git.kernel.dk/linux-block:
  blkcg: fix incorrect read/write sync/async stat accounting

parents dc5bc3f1 174fd8d3

include/linux/blk-cgroup.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -713,9 +713,9 @@ static inline bool blkcg_bio_issue_check(struct request_queue *q,

		if (!throtl) {
		blkg = blkg ?: q->root_blkg;
		blkg_rwstat_add(&blkg->stat_bytes, bio->bi_flags,
		blkg_rwstat_add(&blkg->stat_bytes, bio->bi_rw,
		bio->bi_iter.bi_size);
		blkg_rwstat_add(&blkg->stat_ios, bio->bi_flags, 1);
		blkg_rwstat_add(&blkg->stat_ios, bio->bi_rw, 1);
		}

		rcu_read_unlock();