mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

block: remove the request_queue argument to the block_bio_remap tracepoint 

The request_queue can trivially be derived from the bio.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-12-03 17:21:38 +01:00 committed by Jens Axboe
parent eb6f7f7cd3
commit 1c02fca620
11 changed files with 28 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
block/blk-core.c
View File

@ -758,7 +758,7 @@ static inline int blk_partition_remap(struct bio *bio)
if (bio_check_eod(bio, bdev_nr_sectors(p)))
goto out;
bio->bi_iter.bi_sector += p->bd_start_sect;
trace_block_bio_remap(bio->bi_disk->queue, bio, p->bd_dev,
trace_block_bio_remap(bio, p->bd_dev,
bio->bi_iter.bi_sector -
p->bd_start_sect);
}

3
drivers/md/dm.c
View File

@ -1276,8 +1276,7 @@ static blk_qc_t __map_bio(struct dm_target_io *tio)
break;
case DM_MAPIO_REMAPPED:
/* the bio has been remapped so dispatch it */
trace_block_bio_remap(clone->bi_disk->queue, clone,
bio_dev(io->orig_bio), sector);
trace_block_bio_remap(clone, bio_dev(io->orig_bio), sector);
ret = submit_bio_noacct(clone);
break;
case DM_MAPIO_KILL:

3
drivers/md/md-linear.c
View File

@ -257,8 +257,7 @@ static bool linear_make_request(struct mddev *mddev, struct bio *bio)
bio_endio(bio);
} else {
if (mddev->gendisk)
trace_block_bio_remap(bio->bi_disk->queue,
bio, disk_devt(mddev->gendisk),
trace_block_bio_remap(bio, disk_devt(mddev->gendisk),
bio_sector);
mddev_check_writesame(mddev, bio);
mddev_check_write_zeroes(mddev, bio);

5
drivers/md/md.c
View File

@ -8591,9 +8591,8 @@ void md_submit_discard_bio(struct mddev *mddev, struct md_rdev *rdev,
bio_chain(discard_bio, bio);
bio_clone_blkg_association(discard_bio, bio);
if (mddev->gendisk)
trace_block_bio_remap(bdev_get_queue(rdev->bdev),
discard_bio, disk_devt(mddev->gendisk),
bio->bi_iter.bi_sector);
trace_block_bio_remap(discard_bio, disk_devt(mddev->gendisk),
bio->bi_iter.bi_sector);
submit_bio_noacct(discard_bio);
}
EXPORT_SYMBOL(md_submit_discard_bio);

4
drivers/md/raid0.c
View File

@ -571,8 +571,8 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio)
tmp_dev->data_offset;
if (mddev->gendisk)
trace_block_bio_remap(bio->bi_disk->queue, bio,
disk_devt(mddev->gendisk), bio_sector);
trace_block_bio_remap(bio, disk_devt(mddev->gendisk),
bio_sector);
mddev_check_writesame(mddev, bio);
mddev_check_write_zeroes(mddev, bio);
submit_bio_noacct(bio);

7
drivers/md/raid1.c
View File

@ -1305,8 +1305,8 @@ static void raid1_read_request(struct mddev *mddev, struct bio *bio,
read_bio->bi_private = r1_bio;
if (mddev->gendisk)
trace_block_bio_remap(read_bio->bi_disk->queue, read_bio,
disk_devt(mddev->gendisk), r1_bio->sector);
trace_block_bio_remap(read_bio, disk_devt(mddev->gendisk),
r1_bio->sector);
submit_bio_noacct(read_bio);
}
@ -1517,8 +1517,7 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio,
atomic_inc(&r1_bio->remaining);
if (mddev->gendisk)
trace_block_bio_remap(mbio->bi_disk->queue,
mbio, disk_devt(mddev->gendisk),
trace_block_bio_remap(mbio, disk_devt(mddev->gendisk),
r1_bio->sector);
/* flush_pending_writes() needs access to the rdev so...*/
mbio->bi_disk = (void *)conf->mirrors[i].rdev;

6
drivers/md/raid10.c
View File

@ -1200,8 +1200,7 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio,
read_bio->bi_private = r10_bio;
if (mddev->gendisk)
trace_block_bio_remap(read_bio->bi_disk->queue,
read_bio, disk_devt(mddev->gendisk),
trace_block_bio_remap(read_bio, disk_devt(mddev->gendisk),
r10_bio->sector);
submit_bio_noacct(read_bio);
return;
@ -1250,8 +1249,7 @@ static void raid10_write_one_disk(struct mddev *mddev, struct r10bio *r10_bio,
mbio->bi_private = r10_bio;
if (conf->mddev->gendisk)
trace_block_bio_remap(mbio->bi_disk->queue,
mbio, disk_devt(conf->mddev->gendisk),
trace_block_bio_remap(mbio, disk_devt(conf->mddev->gendisk),
r10_bio->sector);
/* flush_pending_writes() needs access to the rdev so...*/
mbio->bi_disk = (void *)rdev;

15
drivers/md/raid5.c
View File

@ -1222,9 +1222,9 @@ again:
set_bit(R5_DOUBLE_LOCKED, &sh->dev[i].flags);
if (conf->mddev->gendisk)
trace_block_bio_remap(bi->bi_disk->queue,
bi, disk_devt(conf->mddev->gendisk),
sh->dev[i].sector);
trace_block_bio_remap(bi,
disk_devt(conf->mddev->gendisk),
sh->dev[i].sector);
if (should_defer && op_is_write(op))
bio_list_add(&pending_bios, bi);
else
@ -1272,9 +1272,9 @@ again:
if (op == REQ_OP_DISCARD)
rbi->bi_vcnt = 0;
if (conf->mddev->gendisk)
trace_block_bio_remap(rbi->bi_disk->queue,
rbi, disk_devt(conf->mddev->gendisk),
sh->dev[i].sector);
trace_block_bio_remap(rbi,
disk_devt(conf->mddev->gendisk),
sh->dev[i].sector);
if (should_defer && op_is_write(op))
bio_list_add(&pending_bios, rbi);
else
@ -5468,8 +5468,7 @@ static int raid5_read_one_chunk(struct mddev *mddev, struct bio *raid_bio)
spin_unlock_irq(&conf->device_lock);
if (mddev->gendisk)
trace_block_bio_remap(align_bi->bi_disk->queue,
align_bi, disk_devt(mddev->gendisk),
trace_block_bio_remap(align_bi, disk_devt(mddev->gendisk),
raid_bio->bi_iter.bi_sector);
submit_bio_noacct(align_bi);
return 1;

3
drivers/nvme/host/multipath.c
View File

@ -312,8 +312,7 @@ blk_qc_t nvme_ns_head_submit_bio(struct bio *bio)
if (likely(ns)) {
bio->bi_disk = ns->disk;
bio->bi_opf |= REQ_NVME_MPATH;
trace_block_bio_remap(bio->bi_disk->queue, bio,
disk_devt(ns->head->disk),
trace_block_bio_remap(bio, disk_devt(ns->head->disk),
bio->bi_iter.bi_sector);
ret = submit_bio_noacct(bio);
} else if (nvme_available_path(head)) {

8
include/trace/events/block.h
View File

@ -450,9 +450,8 @@ TRACE_EVENT(block_split,
/**
* block_bio_remap - map request for a logical device to the raw device
* @q: queue holding the operation
* @bio: revised operation
* @dev: device for the operation
* @dev: original device for the operation
* @from: original sector for the operation
*
* An operation for a logical device has been mapped to the
@ -460,10 +459,9 @@ TRACE_EVENT(block_split,
*/
TRACE_EVENT(block_bio_remap,
TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
sector_t from),
TP_PROTO(struct bio *bio, dev_t dev, sector_t from),
TP_ARGS(q, bio, dev, from),
TP_ARGS(bio, dev, from),
TP_STRUCT__entry(
__field( dev_t, dev )

14
kernel/trace/blktrace.c
View File

@ -993,20 +993,16 @@ static void blk_add_trace_split(void *ignore, struct bio *bio, unsigned int pdu)
/**
* blk_add_trace_bio_remap - Add a trace for a bio-remap operation
* @ignore: trace callback data parameter (not used)
* @q: queue the io is for
* @bio: the source bio
* @dev: target device
* @dev: source device
* @from: source sector
*
* Description:
* Device mapper or raid target sometimes need to split a bio because
* it spans a stripe (or similar). Add a trace for that action.
*
* Called after a bio is remapped to a different device and/or sector.
**/
static void blk_add_trace_bio_remap(void *ignore,
struct request_queue *q, struct bio *bio,
dev_t dev, sector_t from)
static void blk_add_trace_bio_remap(void *ignore, struct bio *bio, dev_t dev,
sector_t from)
{
struct request_queue *q = bio->bi_disk->queue;
struct blk_trace *bt;
struct blk_io_trace_remap r;