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| author | Keith Busch <kbusch@kernel.org> | 2024-09-13 11:28:50 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-09-13 12:31:45 -0600 |
| commit | d2c5b1faccd5ef6352456f817e941945d3b3fe62 (patch) | |
| tree | 1fb77d875dedb6498afbdfb25e00917aa92f758e /include | |
| parent | 0d7cb52fe417dde4bc9e8d01fadd8c0ec69612cd (diff) | |
| download | linux-d2c5b1faccd5ef6352456f817e941945d3b3fe62.tar.gz linux-d2c5b1faccd5ef6352456f817e941945d3b3fe62.tar.bz2 linux-d2c5b1faccd5ef6352456f817e941945d3b3fe62.zip | |
block: provide a request helper for user integrity segments
Provide a helper to keep the request flags and nr_integrity_segments in
sync with the bio's integrity payload. This is an integrity equivalent
to the normal data helper function, 'blk_rq_map_user()'.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20240913182854.2445457-6-kbusch@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/blk-integrity.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/blk-integrity.h b/include/linux/blk-integrity.h index de98049b7ded..793dbb1e0672 100644 --- a/include/linux/blk-integrity.h +++ b/include/linux/blk-integrity.h @@ -28,6 +28,8 @@ static inline bool queue_limits_stack_integrity_bdev(struct queue_limits *t, int blk_rq_map_integrity_sg(struct request_queue *, struct bio *, struct scatterlist *); int blk_rq_count_integrity_sg(struct request_queue *, struct bio *); +int blk_rq_integrity_map_user(struct request *rq, void __user *ubuf, + ssize_t bytes, u32 seed); static inline bool blk_integrity_queue_supports_integrity(struct request_queue *q) @@ -102,6 +104,13 @@ static inline int blk_rq_map_integrity_sg(struct request_queue *q, { return 0; } +static inline int blk_rq_integrity_map_user(struct request *rq, + void __user *ubuf, + ssize_t bytes, + u32 seed) +{ + return -EINVAL; +} static inline struct blk_integrity *bdev_get_integrity(struct block_device *b) { return NULL; |