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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/scsi/scsi_lib.c
parentblk-mq-debugfs: Add 'kick' operation (diff)
downloadlinux-dev-9efc160f4bbd69b17b48edec53067537d04e62b7.tar.xz
linux-dev-9efc160f4bbd69b17b48edec53067537d04e62b7.zip
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 '')
-rw-r--r--drivers/scsi/scsi_lib.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 99e16ac479e3..884aaa84c2dd 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2057,6 +2057,8 @@ void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q)
{
struct device *dev = shost->dma_dev;
+ queue_flag_set_unlocked(QUEUE_FLAG_SCSI_PASSTHROUGH, q);
+
/*
* this limit is imposed by hardware restrictions
*/