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authorGuoju Fang <fangguoju@gmail.com>2019-04-25 00:48:27 +0800
committerJens Axboe <axboe@kernel.dk>2019-04-24 10:56:27 -0600
commit4e0c04ec3a304490a83d5c0355e64176acc9b4ba (patch)
tree66350dd21a326b3da8d83262caa4f3ae7f4efd56 /drivers/md
parent1568ee7e3c6305d9fbb2414bfd4b56e52853d42d (diff)
downloadlinux-4e0c04ec3a304490a83d5c0355e64176acc9b4ba.tar.gz
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>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/bcache/sysfs.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 17bae9c14ca0..6cd44d3cf906 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -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--;