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authorBart Van Assche <bart.vanassche@sandisk.com>2017-05-31 14:43:46 -0700
committerJens Axboe <axboe@fb.com>2017-06-01 13:10:40 -0600
commit9efc160f4bbd69b17b48edec53067537d04e62b7 (patch)
treefc8bcb323218f1ea0e17825bf0ea77a8e7a48fdd /drivers/block/cciss.c
parentedea55abb86ff67afda96120d6254290e7a75d9e (diff)
downloadlinux-9efc160f4bbd69b17b48edec53067537d04e62b7.tar.bz2
block: Introduce queue flag QUEUE_FLAG_SCSI_PASSTHROUGH
From the context where a SCSI command is submitted it is not always possible to figure out whether or not the queue the command is submitted to has struct scsi_request as the first member of its private data. Hence introduce the flag QUEUE_FLAG_SCSI_PASSTHROUGH. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Cc: Omar Sandoval <osandov@fb.com> Cc: Don Brace <don.brace@microsemi.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/cciss.c')
-rw-r--r--drivers/block/cciss.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index cd375503f7b0..3761066fe89d 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1956,6 +1956,7 @@ static int cciss_add_disk(ctlr_info_t *h, struct gendisk *disk,
disk->queue->cmd_size = sizeof(struct scsi_request);
disk->queue->request_fn = do_cciss_request;
disk->queue->queue_lock = &h->lock;
+ queue_flag_set_unlocked(QUEUE_FLAG_SCSI_PASSTHROUGH, disk->queue);
if (blk_init_allocated_queue(disk->queue) < 0)
goto cleanup_queue;