tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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cgroup/blkio: Add deprecation messages to reset_stats

It is difficult to sync with stat updaters, stats are (should be)
monotonic so users can calculate differences from a reference.

Signed-off-by: Michal Koutný <mkoutny@suse.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Tejun Heo <tj@kernel.org>

authored by

Michal Koutný and committed by
Tejun Heo 77bbb259 012c419f

+1
+1
block/blk-cgroup.c
··· 659 659 struct blkcg_gq *blkg; 660 660 int i; 661 661 662 + pr_info_once("blkio.%s is deprecated\n", cftype->name); 662 663 mutex_lock(&blkcg_pol_mutex); 663 664 spin_lock_irq(&blkcg->lock); 664 665