Split struct bio_integrity_payload and the related prototypes out of
bio.h into a separate bio-integrity.h header so that it is only pulled
in by the few places that need it.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Anuj Gupta <anuj20.g@xxxxxxxxxxx>
Reviewed-by: Kanchan Joshi <joshi.k@xxxxxxxxxxx>
---
block/bio.c | 2 +-
block/blk.h | 1 +
block/bounce.c | 2 +-
drivers/md/dm.c | 1 +
drivers/nvme/host/ioctl.c | 1 +
drivers/scsi/sd.c | 3 +-
include/linux/bio-integrity.h | 153 +++++++++++++++++++++++++++++++++
include/linux/bio.h | 156 ----------------------------------
include/linux/blk-integrity.h | 1 +
9 files changed, 161 insertions(+), 159 deletions(-)
create mode 100644 include/linux/bio-integrity.h
diff --git a/block/bio.c b/block/bio.c
index e9e809a63c5975..4ca3f31ce45fb5 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -4,7 +4,7 @@
*/
#include <linux/mm.h>
#include <linux/swap.h>
-#include <linux/bio.h>
+#include <linux/bio-integrity.h>
#include <linux/blkdev.h>
#include <linux/uio.h>
#include <linux/iocontext.h>
diff --git a/block/blk.h b/block/blk.h
index 47dadd2439b1ca..401e604f35d2cf 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -2,6 +2,7 @@
#ifndef BLK_INTERNAL_H
#define BLK_INTERNAL_H
+#include <linux/bio-integrity.h>
#include <linux/blk-crypto.h>
#include <linux/memblock.h> /* for max_pfn/max_low_pfn */
#include <linux/sched/sysctl.h>
diff --git a/block/bounce.c b/block/bounce.c
index d6a5219f29dd53..0d898cd5ec497f 100644
--- a/block/bounce.c
+++ b/block/bounce.c
@@ -10,7 +10,7 @@
#include <linux/export.h>
#include <linux/swap.h>
#include <linux/gfp.h>
-#include <linux/bio.h>
+#include <linux/bio-integrity.h>
#include <linux/pagemap.h>
#include <linux/mempool.h>
#include <linux/blkdev.h>
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 7d107ae06e1ae1..92d6eeb0a59327 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -11,6 +11,7 @@
#include "dm-uevent.h"
#include "dm-ima.h"
+#include <linux/bio-integrity.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mutex.h>
diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c
index 8b69427a44762a..fb46f55f8b2894 100644
--- a/drivers/nvme/host/ioctl.c
+++ b/drivers/nvme/host/ioctl.c
@@ -3,6 +3,7 @@
* Copyright (c) 2011-2014, Intel Corporation.
* Copyright (c) 2017-2021 Christoph Hellwig.
*/
+#include <linux/bio-integrity.h>
#include <linux/ptrace.h> /* for force_successful_syscall_return */
#include <linux/nvme_ioctl.h>
#include <linux/io_uring/cmd.h>
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 933074f8af4e96..f0f4fd7f20024a 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -33,11 +33,12 @@
* than the level indicated above to trigger output.
*/
+#include <linux/bio-integrity.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/mm.h>
-#include <linux/bio.h>
+#include <linux/bio-integrity.h>
#include <linux/hdreg.h>
#include <linux/errno.h>
#include <linux/idr.h>
diff --git a/include/linux/bio-integrity.h b/include/linux/bio-integrity.h
new file mode 100644
index 00000000000000..70ef19a0dc7e8b
--- /dev/null
+++ b/include/linux/bio-integrity.h
@@ -0,0 +1,153 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_BIO_INTEGRITY_H
+#define _LINUX_BIO_INTEGRITY_H
+
+#include <linux/bio.h>
+
+enum bip_flags {
+ BIP_BLOCK_INTEGRITY = 1 << 0, /* block layer owns integrity data */
+ BIP_MAPPED_INTEGRITY = 1 << 1, /* ref tag has been remapped */
+ BIP_CTRL_NOCHECK = 1 << 2, /* disable HBA integrity checking */
+ BIP_DISK_NOCHECK = 1 << 3, /* disable disk integrity checking */
+ BIP_IP_CHECKSUM = 1 << 4, /* IP checksum */
+ BIP_INTEGRITY_USER = 1 << 5, /* Integrity payload is user address */
+ BIP_COPY_USER = 1 << 6, /* Kernel bounce buffer in use */
+};
+
+struct bio_integrity_payload {
+ struct bio *bip_bio; /* parent bio */
+
+ struct bvec_iter bip_iter;
+
+ unsigned short bip_vcnt; /* # of integrity bio_vecs */
+ unsigned short bip_max_vcnt; /* integrity bio_vec slots */
+ unsigned short bip_flags; /* control flags */
+
+ struct bvec_iter bio_iter; /* for rewinding parent bio */
+
+ struct work_struct bip_work; /* I/O completion */
+
+ struct bio_vec *bip_vec;
+ struct bio_vec bip_inline_vecs[];/* embedded bvec array */
+};
+
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+
+#define bip_for_each_vec(bvl, bip, iter) \
+ for_each_bvec(bvl, (bip)->bip_vec, iter, (bip)->bip_iter)
+
+#define bio_for_each_integrity_vec(_bvl, _bio, _iter) \
+ for_each_bio(_bio) \
+ bip_for_each_vec(_bvl, _bio->bi_integrity, _iter)
+
+static inline struct bio_integrity_payload *bio_integrity(struct bio *bio)
+{
+ if (bio->bi_opf & REQ_INTEGRITY)
+ return bio->bi_integrity;
+
+ return NULL;
+}
+
+static inline bool bio_integrity_flagged(struct bio *bio, enum bip_flags flag)
+{
+ struct bio_integrity_payload *bip = bio_integrity(bio);
+
+ if (bip)
+ return bip->bip_flags & flag;
+
+ return false;
+}
+
+static inline sector_t bip_get_seed(struct bio_integrity_payload *bip)
+{
+ return bip->bip_iter.bi_sector;
+}
+
+static inline void bip_set_seed(struct bio_integrity_payload *bip,
+ sector_t seed)
+{
+ bip->bip_iter.bi_sector = seed;
+}
+
+struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio, gfp_t gfp,
+ unsigned int nr);
+int bio_integrity_add_page(struct bio *bio, struct page *page, unsigned int len,
+ unsigned int offset);
+int bio_integrity_map_user(struct bio *bio, void __user *ubuf, ssize_t len, u32 seed);
+void bio_integrity_unmap_free_user(struct bio *bio);
+bool bio_integrity_prep(struct bio *bio);
+void bio_integrity_advance(struct bio *bio, unsigned int bytes_done);
+void bio_integrity_trim(struct bio *bio);
+int bio_integrity_clone(struct bio *bio, struct bio *bio_src, gfp_t gfp_mask);
+int bioset_integrity_create(struct bio_set *bs, int pool_size);
+void bioset_integrity_free(struct bio_set *bs);
+void bio_integrity_init(void);
+
+#else /* CONFIG_BLK_DEV_INTEGRITY */
+
+static inline void *bio_integrity(struct bio *bio)
+{
+ return NULL;
+}
+
+static inline int bioset_integrity_create(struct bio_set *bs, int pool_size)
+{
+ return 0;
+}
+
+static inline void bioset_integrity_free(struct bio_set *bs)
+{
+}
+
+static inline int bio_integrity_map_user(struct bio *bio, void __user *ubuf,
+ ssize_t len, u32 seed)
+{
+ return -EINVAL;
+}
+
+static inline void bio_integrity_unmap_free_user(struct bio *bio)
+{
+}
+
+static inline bool bio_integrity_prep(struct bio *bio)
+{
+ return true;
+}
+
+static inline int bio_integrity_clone(struct bio *bio, struct bio *bio_src,
+ gfp_t gfp_mask)
+{
+ return 0;
+}
+
+static inline void bio_integrity_advance(struct bio *bio,
+ unsigned int bytes_done)
+{
+}
+
+static inline void bio_integrity_trim(struct bio *bio)
+{
+}
+
+static inline void bio_integrity_init(void)
+{
+}
+
+static inline bool bio_integrity_flagged(struct bio *bio, enum bip_flags flag)
+{
+ return false;
+}
+
+static inline void *bio_integrity_alloc(struct bio *bio, gfp_t gfp,
+ unsigned int nr)
+{
+ return ERR_PTR(-EINVAL);
+}
+
+static inline int bio_integrity_add_page(struct bio *bio, struct page *page,
+ unsigned int len, unsigned int offset)
+{
+ return 0;
+}
+#endif /* CONFIG_BLK_DEV_INTEGRITY */
+#endif /* _LINUX_BIO_INTEGRITY_H */
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 818e9361294781..a46e2047bea4d2 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -321,69 +321,6 @@ static inline void bio_next_folio(struct folio_iter *fi, struct bio *bio)
#define bio_for_each_folio_all(fi, bio) \
for (bio_first_folio(&fi, bio, 0); fi.folio; bio_next_folio(&fi, bio))
-enum bip_flags {
- BIP_BLOCK_INTEGRITY = 1 << 0, /* block layer owns integrity data */
- BIP_MAPPED_INTEGRITY = 1 << 1, /* ref tag has been remapped */
- BIP_CTRL_NOCHECK = 1 << 2, /* disable HBA integrity checking */
- BIP_DISK_NOCHECK = 1 << 3, /* disable disk integrity checking */
- BIP_IP_CHECKSUM = 1 << 4, /* IP checksum */
- BIP_INTEGRITY_USER = 1 << 5, /* Integrity payload is user address */
- BIP_COPY_USER = 1 << 6, /* Kernel bounce buffer in use */
-};
-
-/*
- * bio integrity payload
- */
-struct bio_integrity_payload {
- struct bio *bip_bio; /* parent bio */
-
- struct bvec_iter bip_iter;
-
- unsigned short bip_vcnt; /* # of integrity bio_vecs */
- unsigned short bip_max_vcnt; /* integrity bio_vec slots */
- unsigned short bip_flags; /* control flags */
-
- struct bvec_iter bio_iter; /* for rewinding parent bio */
-
- struct work_struct bip_work; /* I/O completion */
-
- struct bio_vec *bip_vec;
- struct bio_vec bip_inline_vecs[];/* embedded bvec array */
-};
-
-#if defined(CONFIG_BLK_DEV_INTEGRITY)
-
-static inline struct bio_integrity_payload *bio_integrity(struct bio *bio)
-{
- if (bio->bi_opf & REQ_INTEGRITY)
- return bio->bi_integrity;
-
- return NULL;
-}
-
-static inline bool bio_integrity_flagged(struct bio *bio, enum bip_flags flag)
-{
- struct bio_integrity_payload *bip = bio_integrity(bio);
-
- if (bip)
- return bip->bip_flags & flag;
-
- return false;
-}
-
-static inline sector_t bip_get_seed(struct bio_integrity_payload *bip)
-{
- return bip->bip_iter.bi_sector;
-}
-
-static inline void bip_set_seed(struct bio_integrity_payload *bip,
- sector_t seed)
-{
- bip->bip_iter.bi_sector = seed;
-}
-
-#endif /* CONFIG_BLK_DEV_INTEGRITY */
-
void bio_trim(struct bio *bio, sector_t offset, sector_t size);
extern struct bio *bio_split(struct bio *bio, int sectors,
gfp_t gfp, struct bio_set *bs);
@@ -721,99 +658,6 @@ static inline bool bioset_initialized(struct bio_set *bs)
return bs->bio_slab != NULL;
}
-#if defined(CONFIG_BLK_DEV_INTEGRITY)
-
-#define bip_for_each_vec(bvl, bip, iter) \
- for_each_bvec(bvl, (bip)->bip_vec, iter, (bip)->bip_iter)
-
-#define bio_for_each_integrity_vec(_bvl, _bio, _iter) \
- for_each_bio(_bio) \
- bip_for_each_vec(_bvl, _bio->bi_integrity, _iter)
-
-int bio_integrity_map_user(struct bio *bio, void __user *ubuf, ssize_t len, u32 seed);
-void bio_integrity_unmap_free_user(struct bio *bio);
-extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int);
-extern int bio_integrity_add_page(struct bio *, struct page *, unsigned int, unsigned int);
-extern bool bio_integrity_prep(struct bio *);
-extern void bio_integrity_advance(struct bio *, unsigned int);
-extern void bio_integrity_trim(struct bio *);
-extern int bio_integrity_clone(struct bio *, struct bio *, gfp_t);
-extern int bioset_integrity_create(struct bio_set *, int);
-extern void bioset_integrity_free(struct bio_set *);
-extern void bio_integrity_init(void);
-
-#else /* CONFIG_BLK_DEV_INTEGRITY */
-
-static inline void *bio_integrity(struct bio *bio)
-{
- return NULL;
-}
-
-static inline int bioset_integrity_create(struct bio_set *bs, int pool_size)
-{
- return 0;
-}
-
-static inline void bioset_integrity_free (struct bio_set *bs)
-{
- return;
-}
-
-static inline bool bio_integrity_prep(struct bio *bio)
-{
- return true;
-}
-
-static inline int bio_integrity_clone(struct bio *bio, struct bio *bio_src,
- gfp_t gfp_mask)
-{
- return 0;
-}
-
-static inline void bio_integrity_advance(struct bio *bio,
- unsigned int bytes_done)
-{
- return;
-}
-
-static inline void bio_integrity_trim(struct bio *bio)
-{
- return;
-}
-
-static inline void bio_integrity_init(void)
-{
- return;
-}
-
-static inline bool bio_integrity_flagged(struct bio *bio, enum bip_flags flag)
-{
- return false;
-}
-
-static inline void *bio_integrity_alloc(struct bio * bio, gfp_t gfp,
- unsigned int nr)
-{
- return ERR_PTR(-EINVAL);
-}
-
-static inline int bio_integrity_add_page(struct bio *bio, struct page *page,
- unsigned int len, unsigned int offset)
-{
- return 0;
-}
-
-static inline int bio_integrity_map_user(struct bio *bio, void __user *ubuf,
- ssize_t len, u32 seed)
-{
- return -EINVAL;
-}
-static inline void bio_integrity_unmap_free_user(struct bio *bio)
-{
-}
-
-#endif /* CONFIG_BLK_DEV_INTEGRITY */
-
/*
* Mark a bio as polled. Note that for async polled IO, the caller must
* expect -EWOULDBLOCK if we cannot allocate a request (or other resources).
diff --git a/include/linux/blk-integrity.h b/include/linux/blk-integrity.h
index 804f856ed3e571..de98049b7ded91 100644
--- a/include/linux/blk-integrity.h
+++ b/include/linux/blk-integrity.h
@@ -3,6 +3,7 @@
#define _LINUX_BLK_INTEGRITY_H
#include <linux/blk-mq.h>
+#include <linux/bio-integrity.h>
struct request;
--
2.43.0
