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-rw-r--r--block/bio-integrity.c18
-rw-r--r--block/bio.c10
-rw-r--r--block/blk-core.c100
-rw-r--r--block/blk-flush.c2
-rw-r--r--block/blk-lib.c8
-rw-r--r--block/blk-merge.c2
-rw-r--r--block/blk-zoned.c4
7 files changed, 70 insertions, 74 deletions
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 5fa9a740fd99..fc71e6172869 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -146,7 +146,7 @@ int bio_integrity_add_page(struct bio *bio, struct page *page,
iv = bip->bip_vec + bip->bip_vcnt;
if (bip->bip_vcnt &&
- bvec_gap_to_prev(bdev_get_queue(bio->bi_bdev),
+ bvec_gap_to_prev(bio->bi_disk->queue,
&bip->bip_vec[bip->bip_vcnt - 1], offset))
return 0;
@@ -190,7 +190,7 @@ static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
static blk_status_t bio_integrity_process(struct bio *bio,
struct bvec_iter *proc_iter, integrity_processing_fn *proc_fn)
{
- struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
+ struct blk_integrity *bi = blk_get_integrity(bio->bi_disk);
struct blk_integrity_iter iter;
struct bvec_iter bviter;
struct bio_vec bv;
@@ -199,7 +199,7 @@ static blk_status_t bio_integrity_process(struct bio *bio,
void *prot_buf = page_address(bip->bip_vec->bv_page) +
bip->bip_vec->bv_offset;
- iter.disk_name = bio->bi_bdev->bd_disk->disk_name;
+ iter.disk_name = bio->bi_disk->disk_name;
iter.interval = 1 << bi->interval_exp;
iter.seed = proc_iter->bi_sector;
iter.prot_buf = prot_buf;
@@ -236,8 +236,8 @@ static blk_status_t bio_integrity_process(struct bio *bio,
bool bio_integrity_prep(struct bio *bio)
{
struct bio_integrity_payload *bip;
- struct blk_integrity *bi;
- struct request_queue *q;
+ struct blk_integrity *bi = blk_get_integrity(bio->bi_disk);
+ struct request_queue *q = bio->bi_disk->queue;
void *buf;
unsigned long start, end;
unsigned int len, nr_pages;
@@ -245,11 +245,9 @@ bool bio_integrity_prep(struct bio *bio)
unsigned int intervals;
blk_status_t status;
- bi = bdev_get_integrity(bio->bi_bdev);
if (!bi)
return true;
- q = bdev_get_queue(bio->bi_bdev);
if (bio_op(bio) != REQ_OP_READ && bio_op(bio) != REQ_OP_WRITE)
return true;
@@ -354,7 +352,7 @@ static void bio_integrity_verify_fn(struct work_struct *work)
struct bio_integrity_payload *bip =
container_of(work, struct bio_integrity_payload, bip_work);
struct bio *bio = bip->bip_bio;
- struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
+ struct blk_integrity *bi = blk_get_integrity(bio->bi_disk);
struct bvec_iter iter = bio->bi_iter;
/*
@@ -411,7 +409,7 @@ bool __bio_integrity_endio(struct bio *bio)
void bio_integrity_advance(struct bio *bio, unsigned int bytes_done)
{
struct bio_integrity_payload *bip = bio_integrity(bio);
- struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
+ struct blk_integrity *bi = blk_get_integrity(bio->bi_disk);
unsigned bytes = bio_integrity_bytes(bi, bytes_done >> 9);
bip->bip_iter.bi_sector += bytes_done >> 9;
@@ -428,7 +426,7 @@ EXPORT_SYMBOL(bio_integrity_advance);
void bio_integrity_trim(struct bio *bio)
{
struct bio_integrity_payload *bip = bio_integrity(bio);
- struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
+ struct blk_integrity *bi = blk_get_integrity(bio->bi_disk);
bip->bip_iter.bi_size = bio_integrity_bytes(bi, bio_sectors(bio));
}
diff --git a/block/bio.c b/block/bio.c
index ecd1a9c7a301..6745759028da 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -593,10 +593,10 @@ void __bio_clone_fast(struct bio *bio, struct bio *bio_src)
BUG_ON(bio->bi_pool && BVEC_POOL_IDX(bio));
/*
- * most users will be overriding ->bi_bdev with a new target,
+ * most users will be overriding ->bi_disk with a new target,
* so we don't set nor calculate new physical/hw segment counts here
*/
- bio->bi_bdev = bio_src->bi_bdev;
+ bio->bi_disk = bio_src->bi_disk;
bio_set_flag(bio, BIO_CLONED);
bio->bi_opf = bio_src->bi_opf;
bio->bi_write_hint = bio_src->bi_write_hint;
@@ -681,7 +681,7 @@ struct bio *bio_clone_bioset(struct bio *bio_src, gfp_t gfp_mask,
bio = bio_alloc_bioset(gfp_mask, bio_segments(bio_src), bs);
if (!bio)
return NULL;
- bio->bi_bdev = bio_src->bi_bdev;
+ bio->bi_disk = bio_src->bi_disk;
bio->bi_opf = bio_src->bi_opf;
bio->bi_write_hint = bio_src->bi_write_hint;
bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector;
@@ -1830,8 +1830,8 @@ again:
goto again;
}
- if (bio->bi_bdev && bio_flagged(bio, BIO_TRACE_COMPLETION)) {
- trace_block_bio_complete(bdev_get_queue(bio->bi_bdev), bio,
+ if (bio->bi_disk && bio_flagged(bio, BIO_TRACE_COMPLETION)) {
+ trace_block_bio_complete(bio->bi_disk->queue, bio,
blk_status_to_errno(bio->bi_status));
bio_clear_flag(bio, BIO_TRACE_COMPLETION);
}
diff --git a/block/blk-core.c b/block/blk-core.c
index d579501f24ba..fc1af9097dff 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1910,40 +1910,15 @@ out_unlock:
return BLK_QC_T_NONE;
}
-/*
- * If bio->bi_dev is a partition, remap the location
- */
-static inline void blk_partition_remap(struct bio *bio)
-{
- struct block_device *bdev = bio->bi_bdev;
-
- /*
- * Zone reset does not include bi_size so bio_sectors() is always 0.
- * Include a test for the reset op code and perform the remap if needed.
- */
- if (bdev != bdev->bd_contains &&
- (bio_sectors(bio) || bio_op(bio) == REQ_OP_ZONE_RESET)) {
- struct hd_struct *p = bdev->bd_part;
-
- bio->bi_iter.bi_sector += p->start_sect;
- bio->bi_bdev = bdev->bd_contains;
-
- trace_block_bio_remap(bdev_get_queue(bio->bi_bdev), bio,
- bdev->bd_dev,
- bio->bi_iter.bi_sector - p->start_sect);
- }
-}
-
static void handle_bad_sector(struct bio *bio)
{
char b[BDEVNAME_SIZE];
printk(KERN_INFO "attempt to access beyond end of device\n");
printk(KERN_INFO "%s: rw=%d, want=%Lu, limit=%Lu\n",
- bdevname(bio->bi_bdev, b),
- bio->bi_opf,
+ bio_devname(bio, b), bio->bi_opf,
(unsigned long long)bio_end_sector(bio),
- (long long)(i_size_read(bio->bi_bdev->bd_inode) >> 9));
+ (long long)get_capacity(bio->bi_disk));
}
#ifdef CONFIG_FAIL_MAKE_REQUEST
@@ -1982,6 +1957,38 @@ static inline bool should_fail_request(struct hd_struct *part,
#endif /* CONFIG_FAIL_MAKE_REQUEST */
/*
+ * Remap block n of partition p to block n+start(p) of the disk.
+ */
+static inline int blk_partition_remap(struct bio *bio)
+{
+ struct hd_struct *p;
+ int ret = 0;
+
+ /*
+ * Zone reset does not include bi_size so bio_sectors() is always 0.
+ * Include a test for the reset op code and perform the remap if needed.
+ */
+ if (!bio->bi_partno ||
+ (!bio_sectors(bio) && bio_op(bio) != REQ_OP_ZONE_RESET))
+ return 0;
+
+ rcu_read_lock();
+ p = __disk_get_part(bio->bi_disk, bio->bi_partno);
+ if (likely(p && !should_fail_request(p, bio->bi_iter.bi_size))) {
+ bio->bi_iter.bi_sector += p->start_sect;
+ bio->bi_partno = 0;
+ trace_block_bio_remap(bio->bi_disk->queue, bio, part_devt(p),
+ bio->bi_iter.bi_sector - p->start_sect);
+ } else {
+ printk("%s: fail for partition %d\n", __func__, bio->bi_partno);
+ ret = -EIO;
+ }
+ rcu_read_unlock();
+
+ return ret;
+}
+
+/*
* Check whether this bio extends beyond the end of the device.
*/
static inline int bio_check_eod(struct bio *bio, unsigned int nr_sectors)
@@ -1992,7 +1999,7 @@ static inline int bio_check_eod(struct bio *bio, unsigned int nr_sectors)
return 0;
/* Test device or partition size, when known. */
- maxsector = i_size_read(bio->bi_bdev->bd_inode) >> 9;
+ maxsector = get_capacity(bio->bi_disk);
if (maxsector) {
sector_t sector = bio->bi_iter.bi_sector;
@@ -2017,20 +2024,18 @@ generic_make_request_checks(struct bio *bio)
int nr_sectors = bio_sectors(bio);
blk_status_t status = BLK_STS_IOERR;
char b[BDEVNAME_SIZE];
- struct hd_struct *part;
might_sleep();
if (bio_check_eod(bio, nr_sectors))
goto end_io;
- q = bdev_get_queue(bio->bi_bdev);
+ q = bio->bi_disk->queue;
if (unlikely(!q)) {
printk(KERN_ERR
"generic_make_request: Trying to access "
"nonexistent block-device %s (%Lu)\n",
- bdevname(bio->bi_bdev, b),
- (long long) bio->bi_iter.bi_sector);
+ bio_devname(bio, b), (long long)bio->bi_iter.bi_sector);
goto end_io;
}
@@ -2042,17 +2047,11 @@ generic_make_request_checks(struct bio *bio)
if ((bio->bi_opf & REQ_NOWAIT) && !queue_is_rq_based(q))
goto not_supported;
- part = bio->bi_bdev->bd_part;
- if (should_fail_request(part, bio->bi_iter.bi_size) ||
- should_fail_request(&part_to_disk(part)->part0,
- bio->bi_iter.bi_size))
+ if (should_fail_request(&bio->bi_disk->part0, bio->bi_iter.bi_size))
goto end_io;
- /*
- * If this device has partitions, remap block n
- * of partition p to block n+start(p) of the disk.
- */
- blk_partition_remap(bio);
+ if (blk_partition_remap(bio))
+ goto end_io;
if (bio_check_eod(bio, nr_sectors))
goto end_io;
@@ -2081,16 +2080,16 @@ generic_make_request_checks(struct bio *bio)
goto not_supported;
break;
case REQ_OP_WRITE_SAME:
- if (!bdev_write_same(bio->bi_bdev))
+ if (!q->limits.max_write_same_sectors)
goto not_supported;
break;
case REQ_OP_ZONE_REPORT:
case REQ_OP_ZONE_RESET:
- if (!bdev_is_zoned(bio->bi_bdev))
+ if (!blk_queue_is_zoned(q))
goto not_supported;
break;
case REQ_OP_WRITE_ZEROES:
- if (!bdev_write_zeroes_sectors(bio->bi_bdev))
+ if (!q->limits.max_write_zeroes_sectors)
goto not_supported;
break;
default:
@@ -2197,7 +2196,7 @@ blk_qc_t generic_make_request(struct bio *bio)
bio_list_init(&bio_list_on_stack[0]);
current->bio_list = bio_list_on_stack;
do {
- struct request_queue *q = bdev_get_queue(bio->bi_bdev);
+ struct request_queue *q = bio->bi_disk->queue;
if (likely(blk_queue_enter(q, bio->bi_opf & REQ_NOWAIT) == 0)) {
struct bio_list lower, same;
@@ -2215,7 +2214,7 @@ blk_qc_t generic_make_request(struct bio *bio)
bio_list_init(&lower);
bio_list_init(&same);
while ((bio = bio_list_pop(&bio_list_on_stack[0])) != NULL)
- if (q == bdev_get_queue(bio->bi_bdev))
+ if (q == bio->bi_disk->queue)
bio_list_add(&same, bio);
else
bio_list_add(&lower, bio);
@@ -2258,7 +2257,7 @@ blk_qc_t submit_bio(struct bio *bio)
unsigned int count;
if (unlikely(bio_op(bio) == REQ_OP_WRITE_SAME))
- count = bdev_logical_block_size(bio->bi_bdev) >> 9;
+ count = queue_logical_block_size(bio->bi_disk->queue);
else
count = bio_sectors(bio);
@@ -2275,8 +2274,7 @@ blk_qc_t submit_bio(struct bio *bio)
current->comm, task_pid_nr(current),
op_is_write(bio_op(bio)) ? "WRITE" : "READ",
(unsigned long long)bio->bi_iter.bi_sector,
- bdevname(bio->bi_bdev, b),
- count);
+ bio_devname(bio, b), count);
}
}
@@ -3049,8 +3047,8 @@ void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
rq->__data_len = bio->bi_iter.bi_size;
rq->bio = rq->biotail = bio;
- if (bio->bi_bdev)
- rq->rq_disk = bio->bi_bdev->bd_disk;
+ if (bio->bi_disk)
+ rq->rq_disk = bio->bi_disk;
}
#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
diff --git a/block/blk-flush.c b/block/blk-flush.c
index ed5fe322abba..83b7d5b41c79 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -525,7 +525,7 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
return -ENXIO;
bio = bio_alloc(gfp_mask, 0);
- bio->bi_bdev = bdev;
+ bio_set_dev(bio, bdev);
bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;
ret = submit_bio_wait(bio);
diff --git a/block/blk-lib.c b/block/blk-lib.c
index 3fe0aec90597..e01adb5145b3 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -77,7 +77,7 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
bio = next_bio(bio, 0, gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio->bi_bdev = bdev;
+ bio_set_dev(bio, bdev);
bio_set_op_attrs(bio, op, 0);
bio->bi_iter.bi_size = req_sects << 9;
@@ -168,7 +168,7 @@ static int __blkdev_issue_write_same(struct block_device *bdev, sector_t sector,
while (nr_sects) {
bio = next_bio(bio, 1, gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio->bi_bdev = bdev;
+ bio_set_dev(bio, bdev);
bio->bi_vcnt = 1;
bio->bi_io_vec->bv_page = page;
bio->bi_io_vec->bv_offset = 0;
@@ -241,7 +241,7 @@ static int __blkdev_issue_write_zeroes(struct block_device *bdev,
while (nr_sects) {
bio = next_bio(bio, 0, gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio->bi_bdev = bdev;
+ bio_set_dev(bio, bdev);
bio->bi_opf = REQ_OP_WRITE_ZEROES;
if (flags & BLKDEV_ZERO_NOUNMAP)
bio->bi_opf |= REQ_NOUNMAP;
@@ -323,7 +323,7 @@ int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
bio = next_bio(bio, __blkdev_sectors_to_bio_pages(nr_sects),
gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio->bi_bdev = bdev;
+ bio_set_dev(bio, bdev);
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
while (nr_sects != 0) {
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 05f116bfb99d..aa524cad5bea 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -786,7 +786,7 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio)
return false;
/* must be same device and not a special request */
- if (rq->rq_disk != bio->bi_bdev->bd_disk || req_no_special_merge(rq))
+ if (rq->rq_disk != bio->bi_disk || req_no_special_merge(rq))
return false;
/* only merge integrity protected bio into ditto rq */
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 3bd15d8095b1..ff57fb51b338 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -116,7 +116,7 @@ int blkdev_report_zones(struct block_device *bdev,
if (!bio)
return -ENOMEM;
- bio->bi_bdev = bdev;
+ bio_set_dev(bio, bdev);
bio->bi_iter.bi_sector = blk_zone_start(q, sector);
bio_set_op_attrs(bio, REQ_OP_ZONE_REPORT, 0);
@@ -234,7 +234,7 @@ int blkdev_reset_zones(struct block_device *bdev,
bio = bio_alloc(gfp_mask, 0);
bio->bi_iter.bi_sector = sector;
- bio->bi_bdev = bdev;
+ bio_set_dev(bio, bdev);
bio_set_op_attrs(bio, REQ_OP_ZONE_RESET, 0);
ret = submit_bio_wait(bio);