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Diffstat (limited to 'block/blk-wbt.c')
-rw-r--r--block/blk-wbt.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index a50d4cd55f41..eb8037bae0bd 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -85,8 +85,8 @@ struct rq_wb {
u64 sync_issue;
void *sync_cookie;
- unsigned long last_issue; /* last non-throttled issue */
- unsigned long last_comp; /* last non-throttled comp */
+ unsigned long last_issue; /* issue time of last read rq */
+ unsigned long last_comp; /* completion time of last read rq */
unsigned long min_lat_nsec;
struct rq_qos rqos;
struct rq_wait rq_wait[WBT_NUM_RWQ];
@@ -248,13 +248,14 @@ static void wbt_done(struct rq_qos *rqos, struct request *rq)
struct rq_wb *rwb = RQWB(rqos);
if (!wbt_is_tracked(rq)) {
- if (rwb->sync_cookie == rq) {
- rwb->sync_issue = 0;
- rwb->sync_cookie = NULL;
- }
+ if (wbt_is_read(rq)) {
+ if (rwb->sync_cookie == rq) {
+ rwb->sync_issue = 0;
+ rwb->sync_cookie = NULL;
+ }
- if (wbt_is_read(rq))
wb_timestamp(rwb, &rwb->last_comp);
+ }
} else {
WARN_ON_ONCE(rq == rwb->sync_cookie);
__wbt_done(rqos, wbt_flags(rq));