From: Guoju Fang <[email protected]>

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 <[email protected]>
Signed-off-by: Coly Li <[email protected]>
---
 drivers/md/bcache/sysfs.c | 2 --
 1 file changed, 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--;
-- 
2.16.4

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