Commit 4e0c04ec authored Apr 25, 2019 by Guoju Fang Committed by Jens Axboe Apr 24, 2019

bcache: fix inaccurate result of unused buckets



To get the amount of unused buckets in sysfs_priority_stats, the code
count the buckets which GC_SECTORS_USED is zero. It's correct and should
not be overwritten by the count of buckets which prio is zero.

Signed-off-by: Guoju Fang <fangguoju@gmail.com>
Signed-off-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 1568ee7e

drivers/md/bcache/sysfs.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -996,8 +996,6 @@ SHOW(__bch_cache)
		!cached[n - 1])
		--n;

		unused = ca->sb.nbuckets - n;

		while (cached < p + n &&
		*cached == BTREE_PRIO)
		cached++, n--;

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