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Commit b02739b0 authored by Martin K. Petersen's avatar Martin K. Petersen Committed by Jens Axboe
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block: gendisk integrity wrapper 



This is a wrapper for accessing a gendisk's integrity bits.  It allows
the integrity support in MD to be compiled with BLK_DEV_INTEGRITY off.

Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent ad7fce93

include/linux/blkdev.h

+6 −0
Original line number Diff line number Diff line
@@ -1022,6 +1022,11 @@ struct blk_integrity *bdev_get_integrity(struct block_device *bdev) 
	return bdev->bd_disk->integrity;

}



static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)

{

	return disk->integrity;

}



static inline int blk_integrity_rq(struct request *rq)

{

	if (rq->bio == NULL)
@@ -1036,6 +1041,7 @@ static inline int blk_integrity_rq(struct request *rq) 
#define blk_rq_count_integrity_sg(a)		(0)

#define blk_rq_map_integrity_sg(a, b)		(0)

#define bdev_get_integrity(a)			(0)

#define blk_get_integrity(a)			(0)

#define blk_integrity_compare(a, b)		(0)

#define blk_integrity_register(a, b)		(0)

#define blk_integrity_unregister(a)		do { } while (0);