ublk: remove UBLK_IO_F_INTEGRITY

The ublk protocol has no mechanism to actually transfer the integrity
metadata, so don't define this flag, which requires that an integrity
payload is attached to a bio.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220718063013.335531-1-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

drivers/block/ublk_drv.c

@@ -389,9 +389,6 @@ static inline unsigned int ublk_req_build_flags(struct request *req)
 	if (req->cmd_flags & REQ_META)
 		flags |= UBLK_IO_F_META;
 
-	if (req->cmd_flags & REQ_INTEGRITY)
-		flags |= UBLK_IO_F_INTEGRITY;
-
 	if (req->cmd_flags & REQ_FUA)
 		flags |= UBLK_IO_F_FUA;
 

include/uapi/linux/ublk_cmd.h

@@ -106,7 +106,6 @@ struct ublksrv_ctrl_dev_info {
 #define		UBLK_IO_F_FAILFAST_TRANSPORT	(1U << 9)
 #define		UBLK_IO_F_FAILFAST_DRIVER	(1U << 10)
 #define		UBLK_IO_F_META			(1U << 11)
-#define		UBLK_IO_F_INTEGRITY		(1U << 12)
 #define		UBLK_IO_F_FUA			(1U << 13)
 #define		UBLK_IO_F_PREFLUSH		(1U << 14)
 #define		UBLK_IO_F_NOUNMAP		(1U << 15)