bcache: add cond_resched() in __bch_cache_cmp()
authorShile Zhang <shile.zhang@linux.alibaba.com>
Tue, 3 Sep 2019 13:25:43 +0000 (21:25 +0800)
committerJens Axboe <axboe@kernel.dk>
Tue, 3 Sep 2019 14:08:28 +0000 (08:08 -0600)
commitd55a4ae9e1af5fb1657e38284ef46c56e668efdb
tree3f1029185405a8724b71997a7b1b4f4356b7e8d5
parentfa99165cc87a306d11ef6752e606e3f07b1a994e
bcache: add cond_resched() in __bch_cache_cmp()

Read /sys/fs/bcache/<uuid>/cacheN/priority_stats can take very long
time with huge cache after long run.

Signed-off-by: Shile Zhang <shile.zhang@linux.alibaba.com>
Tested-by: Heitor Alves de Siqueira <halves@canonical.com>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/md/bcache/sysfs.c