Reserved tags are used for error handling, we don't need to
care about them for regular IO. The core won't call us for these
anyway.
Acked-by: Paolo Valente <paolo.valente@xxxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
block/bfq-iosched.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index eefd8a4bc936..db38e88a5670 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -542,14 +542,7 @@ static void bfq_limit_depth(unsigned int op, struct blk_mq_alloc_data *data)
if (op_is_sync(op) && !op_is_write(op))
return;
- if (data->flags & BLK_MQ_REQ_RESERVED) {
- if (unlikely(!tags->nr_reserved_tags)) {
- WARN_ON_ONCE(1);
- return;
- }
- bt = &tags->breserved_tags;
- } else
- bt = &tags->bitmap_tags;
+ bt = &tags->bitmap_tags;
if (unlikely(bfqd->sb_shift != bt->sb.shift))
bfq_update_depths(bfqd, bt);
--
2.7.4
