From: Keith Busch <kbusch@xxxxxxxxxx>
The seed is only used for kernel generation and verification. That
doesn't happen for user buffers, so passing the seed around doesn't
accomplish anything.
Signed-off-by: Keith Busch <kbusch@xxxxxxxxxx>
---
block/bio-integrity.c | 13 +++++--------
block/blk-integrity.c | 4 ++--
drivers/nvme/host/ioctl.c | 17 ++++++++---------
include/linux/bio-integrity.h | 4 ++--
include/linux/blk-integrity.h | 5 ++---
5 files changed, 19 insertions(+), 24 deletions(-)
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 88e3ad73c3854..2a4bd66116920 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -199,7 +199,7 @@ EXPORT_SYMBOL(bio_integrity_add_page);
static int bio_integrity_copy_user(struct bio *bio, struct bio_vec *bvec,
int nr_vecs, unsigned int len,
- unsigned int direction, u32 seed)
+ unsigned int direction)
{
bool write = direction == ITER_SOURCE;
struct bio_integrity_payload *bip;
@@ -247,7 +247,6 @@ static int bio_integrity_copy_user(struct bio *bio, struct bio_vec *bvec,
}
bip->bip_flags |= BIP_COPY_USER;
- bip->bip_iter.bi_sector = seed;
bip->bip_vcnt = nr_vecs;
return 0;
free_bip:
@@ -258,7 +257,7 @@ static int bio_integrity_copy_user(struct bio *bio, struct bio_vec *bvec,
}
static int bio_integrity_init_user(struct bio *bio, struct bio_vec *bvec,
- int nr_vecs, unsigned int len, u32 seed)
+ int nr_vecs, unsigned int len)
{
struct bio_integrity_payload *bip;
@@ -267,7 +266,6 @@ static int bio_integrity_init_user(struct bio *bio, struct bio_vec *bvec,
return PTR_ERR(bip);
memcpy(bip->bip_vec, bvec, nr_vecs * sizeof(*bvec));
- bip->bip_iter.bi_sector = seed;
bip->bip_iter.bi_size = len;
bip->bip_vcnt = nr_vecs;
return 0;
@@ -303,8 +301,7 @@ static unsigned int bvec_from_pages(struct bio_vec *bvec, struct page **pages,
return nr_bvecs;
}
-int bio_integrity_map_user(struct bio *bio, void __user *ubuf, ssize_t bytes,
- u32 seed)
+int bio_integrity_map_user(struct bio *bio, void __user *ubuf, ssize_t bytes)
{
struct request_queue *q = bdev_get_queue(bio->bi_bdev);
unsigned int align = blk_lim_dma_alignment_and_pad(&q->limits);
@@ -350,9 +347,9 @@ int bio_integrity_map_user(struct bio *bio, void __user *ubuf, ssize_t bytes,
if (copy)
ret = bio_integrity_copy_user(bio, bvec, nr_bvecs, bytes,
- direction, seed);
+ direction);
else
- ret = bio_integrity_init_user(bio, bvec, nr_bvecs, bytes, seed);
+ ret = bio_integrity_init_user(bio, bvec, nr_bvecs, bytes);
if (ret)
goto release_pages;
if (bvec != stack_vec)
diff --git a/block/blk-integrity.c b/block/blk-integrity.c
index 83b696ba0cac3..b180cac61a9dd 100644
--- a/block/blk-integrity.c
+++ b/block/blk-integrity.c
@@ -113,9 +113,9 @@ int blk_rq_map_integrity_sg(struct request *rq, struct scatterlist *sglist)
EXPORT_SYMBOL(blk_rq_map_integrity_sg);
int blk_rq_integrity_map_user(struct request *rq, void __user *ubuf,
- ssize_t bytes, u32 seed)
+ ssize_t bytes)
{
- int ret = bio_integrity_map_user(rq->bio, ubuf, bytes, seed);
+ int ret = bio_integrity_map_user(rq->bio, ubuf, bytes);
if (ret)
return ret;
diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c
index b9b79ccfabf8a..f697d2d1d7e42 100644
--- a/drivers/nvme/host/ioctl.c
+++ b/drivers/nvme/host/ioctl.c
@@ -114,7 +114,7 @@ static struct request *nvme_alloc_user_request(struct request_queue *q,
static int nvme_map_user_request(struct request *req, u64 ubuffer,
unsigned bufflen, void __user *meta_buffer, unsigned meta_len,
- u32 meta_seed, struct io_uring_cmd *ioucmd, unsigned int flags)
+ struct io_uring_cmd *ioucmd, unsigned int flags)
{
struct request_queue *q = req->q;
struct nvme_ns *ns = q->queuedata;
@@ -152,8 +152,7 @@ static int nvme_map_user_request(struct request *req, u64 ubuffer,
bio_set_dev(bio, bdev);
if (has_metadata) {
- ret = blk_rq_integrity_map_user(req, meta_buffer, meta_len,
- meta_seed);
+ ret = blk_rq_integrity_map_user(req, meta_buffer, meta_len);
if (ret)
goto out_unmap;
}
@@ -170,7 +169,7 @@ static int nvme_map_user_request(struct request *req, u64 ubuffer,
static int nvme_submit_user_cmd(struct request_queue *q,
struct nvme_command *cmd, u64 ubuffer, unsigned bufflen,
- void __user *meta_buffer, unsigned meta_len, u32 meta_seed,
+ void __user *meta_buffer, unsigned meta_len,
u64 *result, unsigned timeout, unsigned int flags)
{
struct nvme_ns *ns = q->queuedata;
@@ -187,7 +186,7 @@ static int nvme_submit_user_cmd(struct request_queue *q,
req->timeout = timeout;
if (ubuffer && bufflen) {
ret = nvme_map_user_request(req, ubuffer, bufflen, meta_buffer,
- meta_len, meta_seed, NULL, flags);
+ meta_len, NULL, flags);
if (ret)
return ret;
}
@@ -268,7 +267,7 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
c.rw.lbatm = cpu_to_le16(io.appmask);
return nvme_submit_user_cmd(ns->queue, &c, io.addr, length, metadata,
- meta_len, lower_32_bits(io.slba), NULL, 0, 0);
+ meta_len, NULL, 0, 0);
}
static bool nvme_validate_passthru_nsid(struct nvme_ctrl *ctrl,
@@ -323,7 +322,7 @@ static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
status = nvme_submit_user_cmd(ns ? ns->queue : ctrl->admin_q, &c,
cmd.addr, cmd.data_len, nvme_to_user_ptr(cmd.metadata),
- cmd.metadata_len, 0, &result, timeout, 0);
+ cmd.metadata_len, &result, timeout, 0);
if (status >= 0) {
if (put_user(result, &ucmd->result))
@@ -370,7 +369,7 @@ static int nvme_user_cmd64(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
status = nvme_submit_user_cmd(ns ? ns->queue : ctrl->admin_q, &c,
cmd.addr, cmd.data_len, nvme_to_user_ptr(cmd.metadata),
- cmd.metadata_len, 0, &cmd.result, timeout, flags);
+ cmd.metadata_len, &cmd.result, timeout, flags);
if (status >= 0) {
if (put_user(cmd.result, &ucmd->result))
@@ -504,7 +503,7 @@ static int nvme_uring_cmd_io(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
if (d.addr && d.data_len) {
ret = nvme_map_user_request(req, d.addr,
d.data_len, nvme_to_user_ptr(d.metadata),
- d.metadata_len, 0, ioucmd, vec);
+ d.metadata_len, ioucmd, vec);
if (ret)
return ret;
}
diff --git a/include/linux/bio-integrity.h b/include/linux/bio-integrity.h
index dd831c269e994..dbf0f74c15291 100644
--- a/include/linux/bio-integrity.h
+++ b/include/linux/bio-integrity.h
@@ -72,7 +72,7 @@ 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);
+int bio_integrity_map_user(struct bio *bio, void __user *ubuf, ssize_t len);
void bio_integrity_unmap_user(struct bio *bio);
bool bio_integrity_prep(struct bio *bio);
void bio_integrity_advance(struct bio *bio, unsigned int bytes_done);
@@ -99,7 +99,7 @@ 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)
+ ssize_t len)
{
return -EINVAL;
}
diff --git a/include/linux/blk-integrity.h b/include/linux/blk-integrity.h
index 676f8f860c474..c7eae0bfb013f 100644
--- a/include/linux/blk-integrity.h
+++ b/include/linux/blk-integrity.h
@@ -28,7 +28,7 @@ static inline bool queue_limits_stack_integrity_bdev(struct queue_limits *t,
int blk_rq_map_integrity_sg(struct request *, 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);
+ ssize_t bytes);
static inline bool
blk_integrity_queue_supports_integrity(struct request_queue *q)
@@ -104,8 +104,7 @@ static inline int blk_rq_map_integrity_sg(struct request *q,
}
static inline int blk_rq_integrity_map_user(struct request *rq,
void __user *ubuf,
- ssize_t bytes,
- u32 seed)
+ ssize_t bytes)
{
return -EINVAL;
}
--
2.43.5
