[PATCH 02/11] scsi: core: Add SUBMITTED_BY_SCSI_CUSTOM_OPS

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Add a new type of submitter, SUBMITTED_BY_SCSI_CUSTOM_OPS, for when a
SCSI cmnd is submitted via the block layer but not by scsi_queue_rq().

Since this is not a true SCSI cmnd we should do nothing for it in
scsi_done_internal().

Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
---
 drivers/scsi/scsi_lib.c  | 2 ++
 include/scsi/scsi_cmnd.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index a7788184908e..d230392f2b4a 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1615,6 +1615,8 @@ static void scsi_done_internal(struct scsi_cmnd *cmd, bool complete_directly)
 		return scsi_eh_done(cmd);
 	case SUBMITTED_BY_SCSI_RESET_IOCTL:
 		return;
+	case SUBMITTED_BY_SCSI_CUSTOM_OPS:
+		return;
 	}
 
 	if (unlikely(blk_should_fake_timeout(scsi_cmd_to_rq(cmd)->q)))
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 76c5eaeeb3b5..ad4bcace1390 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -64,6 +64,7 @@ enum scsi_cmnd_submitter {
 	SUBMITTED_BY_BLOCK_LAYER = 0,
 	SUBMITTED_BY_SCSI_ERROR_HANDLER = 1,
 	SUBMITTED_BY_SCSI_RESET_IOCTL = 2,
+	SUBMITTED_BY_SCSI_CUSTOM_OPS = 3,
 } __packed;
 
 struct scsi_cmnd {
-- 
2.26.2

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