diff mbox series

[v3,2/7] block: introduce API to register stream information with block layer

Message ID 1553846032-4451-3-git-send-email-joshi.k@samsung.com (mailing list archive)
State New, archived
Headers show
Series Extend write-hint for in-kernel use | expand

Commit Message

Kanchan Joshi March 29, 2019, 7:53 a.m. UTC 
This associates stream limit (count of streams exposed by driver) with
request queue.

Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
---
 block/blk-settings.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/block/blk-settings.c b/block/blk-settings.c
index 3e7038e..bb0da61 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -231,6 +231,18 @@  void blk_queue_max_discard_sectors(struct request_queue *q,
 EXPORT_SYMBOL(blk_queue_max_discard_sectors);
 
 /**
+ * blk_queue_stream_limits - set stream parameters
+ * @q:  the request queue for the device
+ * @nr_streams: number of streams supported by device
+ **/
+void blk_queue_stream_limits(struct request_queue *q,
+		unsigned short nr_streams)
+{
+	q->limits.nr_streams = nr_streams;
+}
+EXPORT_SYMBOL(blk_queue_stream_limits);
+
+/**
  * blk_queue_max_write_same_sectors - set max sectors for a single write same
  * @q:  the request queue for the device
  * @max_write_same_sectors: maximum number of sectors to write per command