diff mbox series

[v2,6/8] scsi: core: Set the SUB_PAGE_SEGMENTS request queue flag

Message ID 20221123205740.463185-7-bvanassche@acm.org (mailing list archive)
State New, archived
Headers show
Series Add support for segments smaller than one page | expand

Commit Message

Bart Van Assche Nov. 23, 2022, 8:57 p.m. UTC
This patch enables support for segments smaller than the page size.
No changes other than setting the SUB_PAGE_SEGMENTS flag are required
since the SCSI code uses blk_rq_map_sg().

Cc: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
 drivers/scsi/scsi_lib.c | 2 ++
 1 file changed, 2 insertions(+)
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diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 249757ddd8fe..d91aefdfb8d4 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1877,6 +1877,8 @@  void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q)
 	struct device *dev = shost->dma_dev;
+	blk_queue_flag_set(QUEUE_FLAG_SUB_PAGE_SEGMENTS, q);
 	 * this limit is imposed by hardware restrictions