[PATCH 14/19] block: pass a block_device and opf to blk_next_bio
From: Chaitanya Kulkarni
All callers need to set the block_device and operation, so lift that into
the common code.
Signed-off-by: Chaitanya Kulkarni
Signed-off-by: Christoph Hellwig
---
block/bio.c | 6 +-
block/blk-lib.c | 19 +--
block/blk-zoned.c | 9 +++--
block/blk.h | 2 --
drivers/nvme/target/zns.c | 6 +++---
include/linux/bio.h | 3 ++-
6 files changed, 18 insertions(+), 27 deletions(-)
diff --git a/block/bio.c b/block/bio.c
index 1536579ed490a..a0166f29a05c3 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -344,10 +344,14 @@ void bio_chain(struct bio *bio, struct bio *parent)
}
EXPORT_SYMBOL(bio_chain);
-struct bio *blk_next_bio(struct bio *bio, unsigned int nr_pages, gfp_t gfp)
+struct bio *blk_next_bio(struct bio *bio, struct block_device *bdev,
+ unsigned int nr_pages, unsigned int opf, gfp_t gfp)
{
struct bio *new = bio_alloc(gfp, nr_pages);
+ bio_set_dev(new, bdev);
+ new->bi_opf = opf;
+
if (bio) {
bio_chain(bio, new);
submit_bio(bio);
diff --git a/block/blk-lib.c b/block/blk-lib.c
index 9245b300ef73e..1b8ced45e4e55 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -82,11 +82,8 @@ int __blkdev_issue_discard(struct block_device *bdev,
sector_t sector,
WARN_ON_ONCE((req_sects << 9) > UINT_MAX);
- bio = blk_next_bio(bio, 0, gfp_mask);
+ bio = blk_next_bio(bio, bdev, 0, op, gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio_set_dev(bio, bdev);
- bio_set_op_attrs(bio, op, 0);
-
bio->bi_iter.bi_size = req_sects << 9;
sector += req_sects;
nr_sects -= req_sects;
@@ -176,14 +173,12 @@ static int __blkdev_issue_write_same(struct block_device
*bdev, sector_t sector,
max_write_same_sectors = bio_allowed_max_sectors(q);
while (nr_sects) {
- bio = blk_next_bio(bio, 1, gfp_mask);
+ bio = blk_next_bio(bio, bdev, 1, REQ_OP_WRITE_SAME, gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio_set_dev(bio, bdev);
bio->bi_vcnt = 1;
bio->bi_io_vec->bv_page = page;
bio->bi_io_vec->bv_offset = 0;
bio->bi_io_vec->bv_len = bdev_logical_block_size(bdev);
- bio_set_op_attrs(bio, REQ_OP_WRITE_SAME, 0);
if (nr_sects > max_write_same_sectors) {
bio->bi_iter.bi_size = max_write_same_sectors << 9;
@@ -252,10 +247,8 @@ static int __blkdev_issue_write_zeroes(struct block_device
*bdev,
return -EOPNOTSUPP;
while (nr_sects) {
- bio = blk_next_bio(bio, 0, gfp_mask);
+ bio = blk_next_bio(bio, bdev, 0, REQ_OP_WRITE_ZEROES, gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio_set_dev(bio, bdev);
- bio->bi_opf = REQ_OP_WRITE_ZEROES;
if (flags & BLKDEV_ZERO_NOUNMAP)
bio->bi_opf |= REQ_NOUNMAP;
@@ -303,11 +296,9 @@ static int __blkdev_issue_zero_pages(struct block_device
*bdev,
return -EPERM;
while (nr_sects != 0) {
- bio = blk_next_bio(bio, __blkdev_sectors_to_bio_pages(nr_sects),
- gfp_mask);
+ bio = blk_next_bio(bio, bdev,
__blkdev_sectors_to_bio_pages(nr_sects),
+ REQ_OP_WRITE, gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio_set_dev(bio, bdev);
- bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
while (nr_sects != 0) {
sz = min((sector_t) PAGE_SIZE, nr_sects << 9);
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 774ecc598bee2..5ab755d792c81 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -215,9 +215,8 @@ static int blkdev_zone_reset_all_emulated(struct
block_device *bdev,
continue;
}
- bio = blk_next_bio(bio, 0, gfp_mask);
- bio_set_dev(bio, bdev);
- bio->bi_opf = REQ_OP_ZONE_RESET | REQ_SYNC;
+ bio = blk_next_bio(bio, bdev, 0, REQ_OP_ZONE_RESET | REQ_SYNC,
+ gfp_mask);
bio->bi_iter.bi_sector = sector;
sector += zone_sectors;
@@ -306,9 +305,7 @@ int blkdev_zone_mgmt(struct block_device *bdev, enum
req_opf op,
}
while (sector < end_sector) {
- bio = blk_next_bio(bio, 0, gfp_mask);
- bio_set_dev(bio, bdev);
- bio->bi_opf = op | REQ_SYNC;
+ bio = blk_next_bio(bio, bdev, 0, op | REQ_SYNC, gfp_mask);
bio->bi_iter.bi_sector = sector;
sector += zone_sectors;
diff --git a/block/blk.h b/block/blk.h
index
Re: [PATCH 14/19] block: pass a block_device and opf to blk_next_bio
On Tue, Jan 18, 2022 at 10:11:06PM +, Chaitanya Kulkarni wrote: > On 1/17/22 11:19 PM, Christoph Hellwig wrote: > > All callers need to set the block_device and operation, so lift that into > > the common code. > > > > Signed-off-by: Christoph Hellwig > > --- > > I sent out the exact patch for this one, anyways looks good. > > Reviewed-by: Chaitanya Kulkarni I'll switch attribution to you.
Re: [PATCH 14/19] block: pass a block_device and opf to blk_next_bio
On 1/17/22 11:19 PM, Christoph Hellwig wrote: > All callers need to set the block_device and operation, so lift that into > the common code. > > Signed-off-by: Christoph Hellwig > --- I sent out the exact patch for this one, anyways looks good. Reviewed-by: Chaitanya Kulkarni
[PATCH 14/19] block: pass a block_device and opf to blk_next_bio
All callers need to set the block_device and operation, so lift that into
the common code.
Signed-off-by: Christoph Hellwig
---
block/bio.c | 6 +-
block/blk-lib.c | 19 +--
block/blk-zoned.c | 9 +++--
block/blk.h | 2 --
drivers/nvme/target/zns.c | 6 +++---
include/linux/bio.h | 3 ++-
6 files changed, 18 insertions(+), 27 deletions(-)
diff --git a/block/bio.c b/block/bio.c
index 43fb28ac6b44e..52c99bfa8008d 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -344,10 +344,14 @@ void bio_chain(struct bio *bio, struct bio *parent)
}
EXPORT_SYMBOL(bio_chain);
-struct bio *blk_next_bio(struct bio *bio, unsigned int nr_pages, gfp_t gfp)
+struct bio *blk_next_bio(struct bio *bio, struct block_device *bdev,
+ unsigned int nr_pages, unsigned int opf, gfp_t gfp)
{
struct bio *new = bio_alloc(gfp, nr_pages);
+ bio_set_dev(new, bdev);
+ new->bi_opf = opf;
+
if (bio) {
bio_chain(bio, new);
submit_bio(bio);
diff --git a/block/blk-lib.c b/block/blk-lib.c
index 9245b300ef73e..1b8ced45e4e55 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -82,11 +82,8 @@ int __blkdev_issue_discard(struct block_device *bdev,
sector_t sector,
WARN_ON_ONCE((req_sects << 9) > UINT_MAX);
- bio = blk_next_bio(bio, 0, gfp_mask);
+ bio = blk_next_bio(bio, bdev, 0, op, gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio_set_dev(bio, bdev);
- bio_set_op_attrs(bio, op, 0);
-
bio->bi_iter.bi_size = req_sects << 9;
sector += req_sects;
nr_sects -= req_sects;
@@ -176,14 +173,12 @@ static int __blkdev_issue_write_same(struct block_device
*bdev, sector_t sector,
max_write_same_sectors = bio_allowed_max_sectors(q);
while (nr_sects) {
- bio = blk_next_bio(bio, 1, gfp_mask);
+ bio = blk_next_bio(bio, bdev, 1, REQ_OP_WRITE_SAME, gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio_set_dev(bio, bdev);
bio->bi_vcnt = 1;
bio->bi_io_vec->bv_page = page;
bio->bi_io_vec->bv_offset = 0;
bio->bi_io_vec->bv_len = bdev_logical_block_size(bdev);
- bio_set_op_attrs(bio, REQ_OP_WRITE_SAME, 0);
if (nr_sects > max_write_same_sectors) {
bio->bi_iter.bi_size = max_write_same_sectors << 9;
@@ -252,10 +247,8 @@ static int __blkdev_issue_write_zeroes(struct block_device
*bdev,
return -EOPNOTSUPP;
while (nr_sects) {
- bio = blk_next_bio(bio, 0, gfp_mask);
+ bio = blk_next_bio(bio, bdev, 0, REQ_OP_WRITE_ZEROES, gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio_set_dev(bio, bdev);
- bio->bi_opf = REQ_OP_WRITE_ZEROES;
if (flags & BLKDEV_ZERO_NOUNMAP)
bio->bi_opf |= REQ_NOUNMAP;
@@ -303,11 +296,9 @@ static int __blkdev_issue_zero_pages(struct block_device
*bdev,
return -EPERM;
while (nr_sects != 0) {
- bio = blk_next_bio(bio, __blkdev_sectors_to_bio_pages(nr_sects),
- gfp_mask);
+ bio = blk_next_bio(bio, bdev,
__blkdev_sectors_to_bio_pages(nr_sects),
+ REQ_OP_WRITE, gfp_mask);
bio->bi_iter.bi_sector = sector;
- bio_set_dev(bio, bdev);
- bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
while (nr_sects != 0) {
sz = min((sector_t) PAGE_SIZE, nr_sects << 9);
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index 774ecc598bee2..5ab755d792c81 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -215,9 +215,8 @@ static int blkdev_zone_reset_all_emulated(struct
block_device *bdev,
continue;
}
- bio = blk_next_bio(bio, 0, gfp_mask);
- bio_set_dev(bio, bdev);
- bio->bi_opf = REQ_OP_ZONE_RESET | REQ_SYNC;
+ bio = blk_next_bio(bio, bdev, 0, REQ_OP_ZONE_RESET | REQ_SYNC,
+ gfp_mask);
bio->bi_iter.bi_sector = sector;
sector += zone_sectors;
@@ -306,9 +305,7 @@ int blkdev_zone_mgmt(struct block_device *bdev, enum
req_opf op,
}
while (sector < end_sector) {
- bio = blk_next_bio(bio, 0, gfp_mask);
- bio_set_dev(bio, bdev);
- bio->bi_opf = op | REQ_SYNC;
+ bio = blk_next_bio(bio, bdev, 0, op | REQ_SYNC, gfp_mask);
bio->bi_iter.bi_sector = sector;
sector += zone_sectors;
diff --git a/block/blk.h b/block/blk.h
index 8bd43b3ad33d5..6b93de33e8a43 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -406,8
