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authorChristoph Hellwig <hch@lst.de>2021-09-20 14:33:27 +0200
committerJens Axboe <axboe@kernel.dk>2021-10-18 06:17:02 -0600
commitfe45e630a1035aea94c29016f2598bbde149bbe3 (patch)
treeb2302061a6dec13d7cd1b6213576f603c670aa3b
parentbadf7f64378796d460c79eb0f182fa7282eb65d5 (diff)
downloadlinux-fe45e630a1035aea94c29016f2598bbde149bbe3.tar.bz2
block: move integrity handling out of <linux/blkdev.h>
Split the integrity/metadata handling definitions out into a new header. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Link: https://lore.kernel.org/r/20210920123328.1399408-17-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/bdev.c1
-rw-r--r--block/bio-integrity.c2
-rw-r--r--block/blk-core.c1
-rw-r--r--block/blk-integrity.c2
-rw-r--r--block/blk-merge.c1
-rw-r--r--block/blk-mq.c1
-rw-r--r--block/keyslot-manager.c1
-rw-r--r--block/t10-pi.c2
-rw-r--r--drivers/md/dm-bio-record.h1
-rw-r--r--drivers/md/dm-crypt.c1
-rw-r--r--drivers/md/dm-table.c1
-rw-r--r--drivers/md/md.c1
-rw-r--r--drivers/nvdimm/core.c1
-rw-r--r--drivers/nvme/host/core.c1
-rw-r--r--drivers/nvme/host/pci.c1
-rw-r--r--drivers/nvme/host/rdma.c1
-rw-r--r--drivers/nvme/target/io-cmd-bdev.c1
-rw-r--r--drivers/nvme/target/rdma.c1
-rw-r--r--drivers/scsi/scsi_lib.c1
-rw-r--r--drivers/scsi/sd_dif.c2
-rw-r--r--drivers/scsi/virtio_scsi.c1
-rw-r--r--drivers/target/target_core_iblock.c1
-rw-r--r--include/linux/blk-integrity.h183
-rw-r--r--include/linux/blkdev.h183
24 files changed, 205 insertions, 187 deletions
diff --git a/block/bdev.c b/block/bdev.c
index 485a258b0ab3..93b1188d7e58 100644
--- a/block/bdev.c
+++ b/block/bdev.c
@@ -12,6 +12,7 @@
#include <linux/major.h>
#include <linux/device_cgroup.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/backing-dev.h>
#include <linux/module.h>
#include <linux/blkpg.h>
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 6b47cddbbca1..21234ff966d9 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -6,7 +6,7 @@
* Written by: Martin K. Petersen <martin.petersen@oracle.com>
*/
-#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/mempool.h>
#include <linux/export.h>
#include <linux/bio.h>
diff --git a/block/blk-core.c b/block/blk-core.c
index 4d8f5fe91588..d2c6caadef89 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -18,6 +18,7 @@
#include <linux/blkdev.h>
#include <linux/blk-mq.h>
#include <linux/blk-pm.h>
+#include <linux/blk-integrity.h>
#include <linux/highmem.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
diff --git a/block/blk-integrity.c b/block/blk-integrity.c
index 16d5d5338392..cef534a7cbc9 100644
--- a/block/blk-integrity.c
+++ b/block/blk-integrity.c
@@ -6,7 +6,7 @@
* Written by: Martin K. Petersen <martin.petersen@oracle.com>
*/
-#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/backing-dev.h>
#include <linux/mempool.h>
#include <linux/bio.h>
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 39f210da399a..5b4f23014df8 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -6,6 +6,7 @@
#include <linux/module.h>
#include <linux/bio.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/scatterlist.h>
#include <trace/events/block.h>
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 0fefe00cebd4..2539ba976949 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -10,6 +10,7 @@
#include <linux/backing-dev.h>
#include <linux/bio.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/kmemleak.h>
#include <linux/mm.h>
#include <linux/init.h>
diff --git a/block/keyslot-manager.c b/block/keyslot-manager.c
index 2c4a55bea6ca..1792159d12d1 100644
--- a/block/keyslot-manager.c
+++ b/block/keyslot-manager.c
@@ -35,6 +35,7 @@
#include <linux/pm_runtime.h>
#include <linux/wait.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
struct blk_ksm_keyslot {
atomic_t slot_refs;
diff --git a/block/t10-pi.c b/block/t10-pi.c
index 00c203b2a921..25a52a2a09a8 100644
--- a/block/t10-pi.c
+++ b/block/t10-pi.c
@@ -5,7 +5,7 @@
*/
#include <linux/t10-pi.h>
-#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/crc-t10dif.h>
#include <linux/module.h>
#include <net/checksum.h>
diff --git a/drivers/md/dm-bio-record.h b/drivers/md/dm-bio-record.h
index a3b71350eec8..745e3ab4aa0a 100644
--- a/drivers/md/dm-bio-record.h
+++ b/drivers/md/dm-bio-record.h
@@ -8,6 +8,7 @@
#define DM_BIO_RECORD_H
#include <linux/bio.h>
+#include <linux/blk-integrity.h>
/*
* There are lots of mutable fields in the bio struct that get
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 916b7da16de2..292f7896f733 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -15,6 +15,7 @@
#include <linux/key.h>
#include <linux/bio.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/mempool.h>
#include <linux/slab.h>
#include <linux/crypto.h>
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 2111daaacaba..1fa4d5582dca 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/namei.h>
#include <linux/ctype.h>
#include <linux/string.h>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 1b9bc8dbd95d..ec09083ff0ef 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -41,6 +41,7 @@
#include <linux/sched/signal.h>
#include <linux/kthread.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/badblocks.h>
#include <linux/sysctl.h>
#include <linux/seq_file.h>
diff --git a/drivers/nvdimm/core.c b/drivers/nvdimm/core.c
index 7de592d7eff4..6a45fa91e8a3 100644
--- a/drivers/nvdimm/core.c
+++ b/drivers/nvdimm/core.c
@@ -7,6 +7,7 @@
#include <linux/export.h>
#include <linux/module.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/device.h>
#include <linux/ctype.h>
#include <linux/ndctl.h>
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index f8dd664b2eda..3d444b13cd69 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -6,6 +6,7 @@
#include <linux/blkdev.h>
#include <linux/blk-mq.h>
+#include <linux/blk-integrity.h>
#include <linux/compat.h>
#include <linux/delay.h>
#include <linux/errno.h>
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 149ecf73df38..896328271471 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -10,6 +10,7 @@
#include <linux/blkdev.h>
#include <linux/blk-mq.h>
#include <linux/blk-mq-pci.h>
+#include <linux/blk-integrity.h>
#include <linux/dmi.h>
#include <linux/init.h>
#include <linux/interrupt.h>
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 042c594bc57e..40317e1b9183 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -13,6 +13,7 @@
#include <linux/atomic.h>
#include <linux/blk-mq.h>
#include <linux/blk-mq-rdma.h>
+#include <linux/blk-integrity.h>
#include <linux/types.h>
#include <linux/list.h>
#include <linux/mutex.h>
diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index 0fc2781ab970..6139e1de50a6 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -5,6 +5,7 @@
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/module.h>
#include "nvmet.h"
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 891174ccd44b..38d1f292ecc2 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -5,6 +5,7 @@
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/atomic.h>
+#include <linux/blk-integrity.h>
#include <linux/ctype.h>
#include <linux/delay.h>
#include <linux/err.h>
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 572673873ddf..33fd9a01330c 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -21,6 +21,7 @@
#include <linux/hardirq.h>
#include <linux/scatterlist.h>
#include <linux/blk-mq.h>
+#include <linux/blk-integrity.h>
#include <linux/ratelimit.h>
#include <asm/unaligned.h>
diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
index 4cadb26070a8..349950616adc 100644
--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -6,7 +6,7 @@
* Written by: Martin K. Petersen <martin.petersen@oracle.com>
*/
-#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/t10-pi.h>
#include <scsi/scsi.h>
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 07d0250f17c3..b8455fcbf18b 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -22,6 +22,7 @@
#include <linux/virtio_scsi.h>
#include <linux/cpu.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_cmnd.h>
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 4069a1edcfa3..d39b87e2ed10 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -16,6 +16,7 @@
#include <linux/timer.h>
#include <linux/fs.h>
#include <linux/blkdev.h>
+#include <linux/blk-integrity.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/bio.h>
diff --git a/include/linux/blk-integrity.h b/include/linux/blk-integrity.h
new file mode 100644
index 000000000000..8a038ea0717e
--- /dev/null
+++ b/include/linux/blk-integrity.h
@@ -0,0 +1,183 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_BLK_INTEGRITY_H
+#define _LINUX_BLK_INTEGRITY_H
+
+#include <linux/blk-mq.h>
+
+struct request;
+
+enum blk_integrity_flags {
+ BLK_INTEGRITY_VERIFY = 1 << 0,
+ BLK_INTEGRITY_GENERATE = 1 << 1,
+ BLK_INTEGRITY_DEVICE_CAPABLE = 1 << 2,
+ BLK_INTEGRITY_IP_CHECKSUM = 1 << 3,
+};
+
+struct blk_integrity_iter {
+ void *prot_buf;
+ void *data_buf;
+ sector_t seed;
+ unsigned int data_size;
+ unsigned short interval;
+ const char *disk_name;
+};
+
+typedef blk_status_t (integrity_processing_fn) (struct blk_integrity_iter *);
+typedef void (integrity_prepare_fn) (struct request *);
+typedef void (integrity_complete_fn) (struct request *, unsigned int);
+
+struct blk_integrity_profile {
+ integrity_processing_fn *generate_fn;
+ integrity_processing_fn *verify_fn;
+ integrity_prepare_fn *prepare_fn;
+ integrity_complete_fn *complete_fn;
+ const char *name;
+};
+
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+void blk_integrity_register(struct gendisk *, struct blk_integrity *);
+void blk_integrity_unregister(struct gendisk *);
+int blk_integrity_compare(struct gendisk *, struct gendisk *);
+int blk_rq_map_integrity_sg(struct request_queue *, struct bio *,
+ struct scatterlist *);
+int blk_rq_count_integrity_sg(struct request_queue *, struct bio *);
+
+static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
+{
+ struct blk_integrity *bi = &disk->queue->integrity;
+
+ if (!bi->profile)
+ return NULL;
+
+ return bi;
+}
+
+static inline struct blk_integrity *
+bdev_get_integrity(struct block_device *bdev)
+{
+ return blk_get_integrity(bdev->bd_disk);
+}
+
+static inline bool
+blk_integrity_queue_supports_integrity(struct request_queue *q)
+{
+ return q->integrity.profile;
+}
+
+static inline void blk_queue_max_integrity_segments(struct request_queue *q,
+ unsigned int segs)
+{
+ q->limits.max_integrity_segments = segs;
+}
+
+static inline unsigned short
+queue_max_integrity_segments(const struct request_queue *q)
+{
+ return q->limits.max_integrity_segments;
+}
+
+/**
+ * bio_integrity_intervals - Return number of integrity intervals for a bio
+ * @bi: blk_integrity profile for device
+ * @sectors: Size of the bio in 512-byte sectors
+ *
+ * Description: The block layer calculates everything in 512 byte
+ * sectors but integrity metadata is done in terms of the data integrity
+ * interval size of the storage device. Convert the block layer sectors
+ * to the appropriate number of integrity intervals.
+ */
+static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
+ unsigned int sectors)
+{
+ return sectors >> (bi->interval_exp - 9);
+}
+
+static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
+ unsigned int sectors)
+{
+ return bio_integrity_intervals(bi, sectors) * bi->tuple_size;
+}
+
+static inline bool blk_integrity_rq(struct request *rq)
+{
+ return rq->cmd_flags & REQ_INTEGRITY;
+}
+
+/*
+ * Return the first bvec that contains integrity data. Only drivers that are
+ * limited to a single integrity segment should use this helper.
+ */
+static inline struct bio_vec *rq_integrity_vec(struct request *rq)
+{
+ if (WARN_ON_ONCE(queue_max_integrity_segments(rq->q) > 1))
+ return NULL;
+ return rq->bio->bi_integrity->bip_vec;
+}
+#else /* CONFIG_BLK_DEV_INTEGRITY */
+static inline int blk_rq_count_integrity_sg(struct request_queue *q,
+ struct bio *b)
+{
+ return 0;
+}
+static inline int blk_rq_map_integrity_sg(struct request_queue *q,
+ struct bio *b,
+ struct scatterlist *s)
+{
+ return 0;
+}
+static inline struct blk_integrity *bdev_get_integrity(struct block_device *b)
+{
+ return NULL;
+}
+static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
+{
+ return NULL;
+}
+static inline bool
+blk_integrity_queue_supports_integrity(struct request_queue *q)
+{
+ return false;
+}
+static inline int blk_integrity_compare(struct gendisk *a, struct gendisk *b)
+{
+ return 0;
+}
+static inline void blk_integrity_register(struct gendisk *d,
+ struct blk_integrity *b)
+{
+}
+static inline void blk_integrity_unregister(struct gendisk *d)
+{
+}
+static inline void blk_queue_max_integrity_segments(struct request_queue *q,
+ unsigned int segs)
+{
+}
+static inline unsigned short
+queue_max_integrity_segments(const struct request_queue *q)
+{
+ return 0;
+}
+
+static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
+ unsigned int sectors)
+{
+ return 0;
+}
+
+static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
+ unsigned int sectors)
+{
+ return 0;
+}
+static inline int blk_integrity_rq(struct request *rq)
+{
+ return 0;
+}
+
+static inline struct bio_vec *rq_integrity_vec(struct request *rq)
+{
+ return NULL;
+}
+#endif /* CONFIG_BLK_DEV_INTEGRITY */
+#endif /* _LINUX_BLK_INTEGRITY_H */
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index be534040ca9c..56e60e5c09d0 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1555,189 +1555,6 @@ int kblockd_mod_delayed_work_on(int cpu, struct delayed_work *dwork, unsigned lo
#define MODULE_ALIAS_BLOCKDEV_MAJOR(major) \
MODULE_ALIAS("block-major-" __stringify(major) "-*")
-#if defined(CONFIG_BLK_DEV_INTEGRITY)
-
-enum blk_integrity_flags {
- BLK_INTEGRITY_VERIFY = 1 << 0,
- BLK_INTEGRITY_GENERATE = 1 << 1,
- BLK_INTEGRITY_DEVICE_CAPABLE = 1 << 2,
- BLK_INTEGRITY_IP_CHECKSUM = 1 << 3,
-};
-
-struct blk_integrity_iter {
- void *prot_buf;
- void *data_buf;
- sector_t seed;
- unsigned int data_size;
- unsigned short interval;
- const char *disk_name;
-};
-
-typedef blk_status_t (integrity_processing_fn) (struct blk_integrity_iter *);
-typedef void (integrity_prepare_fn) (struct request *);
-typedef void (integrity_complete_fn) (struct request *, unsigned int);
-
-struct blk_integrity_profile {
- integrity_processing_fn *generate_fn;
- integrity_processing_fn *verify_fn;
- integrity_prepare_fn *prepare_fn;
- integrity_complete_fn *complete_fn;
- const char *name;
-};
-
-extern void blk_integrity_register(struct gendisk *, struct blk_integrity *);
-extern void blk_integrity_unregister(struct gendisk *);
-extern int blk_integrity_compare(struct gendisk *, struct gendisk *);
-extern int blk_rq_map_integrity_sg(struct request_queue *, struct bio *,
- struct scatterlist *);
-extern int blk_rq_count_integrity_sg(struct request_queue *, struct bio *);
-
-static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
-{
- struct blk_integrity *bi = &disk->queue->integrity;
-
- if (!bi->profile)
- return NULL;
-
- return bi;
-}
-
-static inline
-struct blk_integrity *bdev_get_integrity(struct block_device *bdev)
-{
- return blk_get_integrity(bdev->bd_disk);
-}
-
-static inline bool
-blk_integrity_queue_supports_integrity(struct request_queue *q)
-{
- return q->integrity.profile;
-}
-
-static inline bool blk_integrity_rq(struct request *rq)
-{
- return rq->cmd_flags & REQ_INTEGRITY;
-}
-
-static inline void blk_queue_max_integrity_segments(struct request_queue *q,
- unsigned int segs)
-{
- q->limits.max_integrity_segments = segs;
-}
-
-static inline unsigned short
-queue_max_integrity_segments(const struct request_queue *q)
-{
- return q->limits.max_integrity_segments;
-}
-
-/**
- * bio_integrity_intervals - Return number of integrity intervals for a bio
- * @bi: blk_integrity profile for device
- * @sectors: Size of the bio in 512-byte sectors
- *
- * Description: The block layer calculates everything in 512 byte
- * sectors but integrity metadata is done in terms of the data integrity
- * interval size of the storage device. Convert the block layer sectors
- * to the appropriate number of integrity intervals.
- */
-static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
- unsigned int sectors)
-{
- return sectors >> (bi->interval_exp - 9);
-}
-
-static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
- unsigned int sectors)
-{
- return bio_integrity_intervals(bi, sectors) * bi->tuple_size;
-}
-
-/*
- * Return the first bvec that contains integrity data. Only drivers that are
- * limited to a single integrity segment should use this helper.
- */
-static inline struct bio_vec *rq_integrity_vec(struct request *rq)
-{
- if (WARN_ON_ONCE(queue_max_integrity_segments(rq->q) > 1))
- return NULL;
- return rq->bio->bi_integrity->bip_vec;
-}
-
-#else /* CONFIG_BLK_DEV_INTEGRITY */
-
-struct bio;
-struct block_device;
-struct gendisk;
-struct blk_integrity;
-
-static inline int blk_integrity_rq(struct request *rq)
-{
- return 0;
-}
-static inline int blk_rq_count_integrity_sg(struct request_queue *q,
- struct bio *b)
-{
- return 0;
-}
-static inline int blk_rq_map_integrity_sg(struct request_queue *q,
- struct bio *b,
- struct scatterlist *s)
-{
- return 0;
-}
-static inline struct blk_integrity *bdev_get_integrity(struct block_device *b)
-{
- return NULL;
-}
-static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
-{
- return NULL;
-}
-static inline bool
-blk_integrity_queue_supports_integrity(struct request_queue *q)
-{
- return false;
-}
-static inline int blk_integrity_compare(struct gendisk *a, struct gendisk *b)
-{
- return 0;
-}
-static inline void blk_integrity_register(struct gendisk *d,
- struct blk_integrity *b)
-{
-}
-static inline void blk_integrity_unregister(struct gendisk *d)
-{
-}
-static inline void blk_queue_max_integrity_segments(struct request_queue *q,
- unsigned int segs)
-{
-}
-static inline unsigned short queue_max_integrity_segments(const struct request_queue *q)
-{
- return 0;
-}
-
-static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
- unsigned int sectors)
-{
- return 0;
-}
-
-static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
- unsigned int sectors)
-{
- return 0;
-}
-
-static inline struct bio_vec *rq_integrity_vec(struct request *rq)
-{
- return NULL;
-}
-
-#endif /* CONFIG_BLK_DEV_INTEGRITY */
-
#ifdef CONFIG_BLK_INLINE_ENCRYPTION
bool blk_ksm_register(struct blk_keyslot_manager *ksm, struct request_queue *q);