[PATCH 5/5] block: convert the rest of block to bdev_get_queue

From: Pavel Begunkov
Date: Thu Oct 14 2021 - 10:04:35 EST


Convert bdev->bd_disk->queue to bdev_get_queue(), it's uses a cached
queue pointer and so is fater.

Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
block/bio-integrity.c | 2 +-
block/blk-cgroup.c | 16 ++++++++--------
block/blk-crypto.c | 2 +-
block/blk-iocost.c | 12 ++++++------
block/blk-merge.c | 2 +-
block/blk-mq.c | 2 +-
block/blk-throttle.c | 2 +-
block/genhd.c | 4 ++--
block/partitions/core.c | 4 ++--
9 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 21234ff966d9..d25114715459 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -134,7 +134,7 @@ 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(bio->bi_bdev->bd_disk->queue,
+ bvec_gap_to_prev(bdev_get_queue(bio->bi_bdev),
&bip->bip_vec[bip->bip_vcnt - 1], offset))
return 0;

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index eb48090eefce..cec86a705c89 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -621,7 +621,7 @@ struct block_device *blkcg_conf_open_bdev(char **inputp)
*/
int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
char *input, struct blkg_conf_ctx *ctx)
- __acquires(rcu) __acquires(&bdev->bd_disk->queue->queue_lock)
+ __acquires(rcu) __acquires(&bdev->bd_queue->queue_lock)
{
struct block_device *bdev;
struct request_queue *q;
@@ -632,7 +632,7 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
if (IS_ERR(bdev))
return PTR_ERR(bdev);

- q = bdev->bd_disk->queue;
+ q = bdev_get_queue(bdev);

rcu_read_lock();
spin_lock_irq(&q->queue_lock);
@@ -737,9 +737,9 @@ EXPORT_SYMBOL_GPL(blkg_conf_prep);
* with blkg_conf_prep().
*/
void blkg_conf_finish(struct blkg_conf_ctx *ctx)
- __releases(&ctx->bdev->bd_disk->queue->queue_lock) __releases(rcu)
+ __releases(&ctx->bdev->bd_queue->queue_lock) __releases(rcu)
{
- spin_unlock_irq(&ctx->bdev->bd_disk->queue->queue_lock);
+ spin_unlock_irq(&bdev_get_queue(ctx->bdev)->queue_lock);
rcu_read_unlock();
blkdev_put_no_open(ctx->bdev);
}
@@ -842,7 +842,7 @@ static void blkcg_fill_root_iostats(void)
while ((dev = class_dev_iter_next(&iter))) {
struct block_device *bdev = dev_to_bdev(dev);
struct blkcg_gq *blkg =
- blk_queue_root_blkg(bdev->bd_disk->queue);
+ blk_queue_root_blkg(bdev_get_queue(bdev));
struct blkg_iostat tmp;
int cpu;

@@ -1801,7 +1801,7 @@ static inline struct blkcg_gq *blkg_tryget_closest(struct bio *bio,

rcu_read_lock();
blkg = blkg_lookup_create(css_to_blkcg(css),
- bio->bi_bdev->bd_disk->queue);
+ bdev_get_queue(bio->bi_bdev));
while (blkg) {
if (blkg_tryget(blkg)) {
ret_blkg = blkg;
@@ -1837,8 +1837,8 @@ void bio_associate_blkg_from_css(struct bio *bio,
if (css && css->parent) {
bio->bi_blkg = blkg_tryget_closest(bio, css);
} else {
- blkg_get(bio->bi_bdev->bd_disk->queue->root_blkg);
- bio->bi_blkg = bio->bi_bdev->bd_disk->queue->root_blkg;
+ blkg_get(bdev_get_queue(bio->bi_bdev)->root_blkg);
+ bio->bi_blkg = bdev_get_queue(bio->bi_bdev)->root_blkg;
}
}
EXPORT_SYMBOL_GPL(bio_associate_blkg_from_css);
diff --git a/block/blk-crypto.c b/block/blk-crypto.c
index 103c2e2d50d6..8f53f4a1f9e2 100644
--- a/block/blk-crypto.c
+++ b/block/blk-crypto.c
@@ -280,7 +280,7 @@ bool __blk_crypto_bio_prep(struct bio **bio_ptr)
* Success if device supports the encryption context, or if we succeeded
* in falling back to the crypto API.
*/
- if (blk_ksm_crypto_cfg_supported(bio->bi_bdev->bd_disk->queue->ksm,
+ if (blk_ksm_crypto_cfg_supported(bdev_get_queue(bio->bi_bdev)->ksm,
&bc_key->crypto_cfg))
return true;

diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index b3880e4ba22a..a5b37cc65b17 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -3165,12 +3165,12 @@ static ssize_t ioc_qos_write(struct kernfs_open_file *of, char *input,
if (IS_ERR(bdev))
return PTR_ERR(bdev);

- ioc = q_to_ioc(bdev->bd_disk->queue);
+ ioc = q_to_ioc(bdev_get_queue(bdev));
if (!ioc) {
- ret = blk_iocost_init(bdev->bd_disk->queue);
+ ret = blk_iocost_init(bdev_get_queue(bdev));
if (ret)
goto err;
- ioc = q_to_ioc(bdev->bd_disk->queue);
+ ioc = q_to_ioc(bdev_get_queue(bdev));
}

spin_lock_irq(&ioc->lock);
@@ -3332,12 +3332,12 @@ static ssize_t ioc_cost_model_write(struct kernfs_open_file *of, char *input,
if (IS_ERR(bdev))
return PTR_ERR(bdev);

- ioc = q_to_ioc(bdev->bd_disk->queue);
+ ioc = q_to_ioc(bdev_get_queue(bdev));
if (!ioc) {
- ret = blk_iocost_init(bdev->bd_disk->queue);
+ ret = blk_iocost_init(bdev_get_queue(bdev));
if (ret)
goto err;
- ioc = q_to_ioc(bdev->bd_disk->queue);
+ ioc = q_to_ioc(bdev_get_queue(bdev));
}

spin_lock_irq(&ioc->lock);
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 762da71f9fde..c96f29f398fc 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -305,7 +305,7 @@ static struct bio *blk_bio_segment_split(struct request_queue *q,
*/
void __blk_queue_split(struct bio **bio, unsigned int *nr_segs)
{
- struct request_queue *q = (*bio)->bi_bdev->bd_disk->queue;
+ struct request_queue *q = bdev_get_queue((*bio)->bi_bdev);
struct bio *split = NULL;

switch (bio_op(*bio)) {
diff --git a/block/blk-mq.c b/block/blk-mq.c
index f42cf615c527..5cb5dd81a1d5 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2223,7 +2223,7 @@ static inline unsigned short blk_plug_max_rq_count(struct blk_plug *plug)
*/
void blk_mq_submit_bio(struct bio *bio)
{
- struct request_queue *q = bio->bi_bdev->bd_disk->queue;
+ struct request_queue *q = bdev_get_queue(bio->bi_bdev);
const int is_sync = op_is_sync(bio->bi_opf);
const int is_flush_fua = op_is_flush(bio->bi_opf);
struct request *rq;
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 8cefd14deed5..39bb6e68a9a2 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -2063,7 +2063,7 @@ void blk_throtl_charge_bio_split(struct bio *bio)

bool __blk_throtl_bio(struct bio *bio)
{
- struct request_queue *q = bio->bi_bdev->bd_disk->queue;
+ struct request_queue *q = bdev_get_queue(bio->bi_bdev);
struct blkcg_gq *blkg = bio->bi_blkg;
struct throtl_qnode *qn = NULL;
struct throtl_grp *tg = blkg_to_tg(blkg);
diff --git a/block/genhd.c b/block/genhd.c
index e11ee23a4401..901bef22f186 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -861,7 +861,7 @@ ssize_t part_stat_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct block_device *bdev = dev_to_bdev(dev);
- struct request_queue *q = bdev->bd_disk->queue;
+ struct request_queue *q = bdev_get_queue(bdev);
struct disk_stats stat;
unsigned int inflight;

@@ -905,7 +905,7 @@ ssize_t part_inflight_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct block_device *bdev = dev_to_bdev(dev);
- struct request_queue *q = bdev->bd_disk->queue;
+ struct request_queue *q = bdev_get_queue(bdev);
unsigned int inflight[2];

if (queue_is_mq(q))
diff --git a/block/partitions/core.c b/block/partitions/core.c
index 3a4898433c43..9dbddc355b40 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -204,7 +204,7 @@ static ssize_t part_alignment_offset_show(struct device *dev,
struct block_device *bdev = dev_to_bdev(dev);

return sprintf(buf, "%u\n",
- queue_limit_alignment_offset(&bdev->bd_disk->queue->limits,
+ queue_limit_alignment_offset(&bdev_get_queue(bdev)->limits,
bdev->bd_start_sect));
}

@@ -214,7 +214,7 @@ static ssize_t part_discard_alignment_show(struct device *dev,
struct block_device *bdev = dev_to_bdev(dev);

return sprintf(buf, "%u\n",
- queue_limit_discard_alignment(&bdev->bd_disk->queue->limits,
+ queue_limit_discard_alignment(&bdev_get_queue(bdev)->limits,
bdev->bd_start_sect));
}

--
2.33.0