Make blk_req_needs_zone_write_lock() return false if
q->limits.use_zone_write_lock is false. Inline this function because it
is short and because it is called from the hot path of the mq-deadline
I/O scheduler.
Cc: Damien Le Moal <dlemoal@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Ming Lei <ming.lei@xxxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
block/blk-zoned.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 112620985bff..d8a80cce832f 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -53,11 +53,16 @@ const char *blk_zone_cond_str(enum blk_zone_cond zone_cond)
EXPORT_SYMBOL_GPL(blk_zone_cond_str);
/*
- * Return true if a request is a write requests that needs zone write locking.
+ * Return true if a request is a write request that needs zone write locking.
*/
bool blk_req_needs_zone_write_lock(struct request *rq)
{
- if (!rq->q->disk->seq_zones_wlock)
+ struct request_queue *q = rq->q;
+
+ if (!q->limits.use_zone_write_lock)
+ return false;
+
+ if (!q->disk->seq_zones_wlock)
return false;
return blk_rq_is_seq_zoned_write(rq);
