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-rw-r--r--include/linux/blk-cgroup.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index de57de4831d5..3bed5e02a873 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -35,6 +35,7 @@ enum blkg_rwstat_type {
BLKG_RWSTAT_WRITE,
BLKG_RWSTAT_SYNC,
BLKG_RWSTAT_ASYNC,
+ BLKG_RWSTAT_DISCARD,
BLKG_RWSTAT_NR,
BLKG_RWSTAT_TOTAL = BLKG_RWSTAT_NR,
@@ -649,7 +650,9 @@ static inline void blkg_rwstat_add(struct blkg_rwstat *rwstat,
{
struct percpu_counter *cnt;
- if (op_is_write(op))
+ if (op_is_discard(op))
+ cnt = &rwstat->cpu_cnt[BLKG_RWSTAT_DISCARD];
+ else if (op_is_write(op))
cnt = &rwstat->cpu_cnt[BLKG_RWSTAT_WRITE];
else
cnt = &rwstat->cpu_cnt[BLKG_RWSTAT_READ];