diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-01-24 11:02:34 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-01-25 02:17:20 +0100 |
| commit | 309dca309fc39a9e3c31b916393b74bd174fd74e (patch) | |
| tree | 2d4687a800a52cfd96482c7c01224236da796102 /kernel/trace/blktrace.c | |
| parent | dcssblk: remove the end of device check in dcssblk_submit_bio (diff) | |
| download | linux-309dca309fc39a9e3c31b916393b74bd174fd74e.tar.xz linux-309dca309fc39a9e3c31b916393b74bd174fd74e.zip | |
block: store a block_device pointer in struct bio
Replace the gendisk pointer in struct bio with a pointer to the newly
improved struct block device. From that the gendisk can be trivially
accessed with an extra indirection, but it also allows to directly
look up all information related to partition remapping.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'kernel/trace/blktrace.c')
| -rw-r--r-- | kernel/trace/blktrace.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index fb0fe4c66b84..9e9ee4945043 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -903,7 +903,7 @@ static void blk_add_trace_bio(struct request_queue *q, struct bio *bio, static void blk_add_trace_bio_bounce(void *ignore, struct bio *bio) { - blk_add_trace_bio(bio->bi_disk->queue, bio, BLK_TA_BOUNCE, 0); + blk_add_trace_bio(bio->bi_bdev->bd_disk->queue, bio, BLK_TA_BOUNCE, 0); } static void blk_add_trace_bio_complete(void *ignore, @@ -915,22 +915,24 @@ static void blk_add_trace_bio_complete(void *ignore, static void blk_add_trace_bio_backmerge(void *ignore, struct bio *bio) { - blk_add_trace_bio(bio->bi_disk->queue, bio, BLK_TA_BACKMERGE, 0); + blk_add_trace_bio(bio->bi_bdev->bd_disk->queue, bio, BLK_TA_BACKMERGE, + 0); } static void blk_add_trace_bio_frontmerge(void *ignore, struct bio *bio) { - blk_add_trace_bio(bio->bi_disk->queue, bio, BLK_TA_FRONTMERGE, 0); + blk_add_trace_bio(bio->bi_bdev->bd_disk->queue, bio, BLK_TA_FRONTMERGE, + 0); } static void blk_add_trace_bio_queue(void *ignore, struct bio *bio) { - blk_add_trace_bio(bio->bi_disk->queue, bio, BLK_TA_QUEUE, 0); + blk_add_trace_bio(bio->bi_bdev->bd_disk->queue, bio, BLK_TA_QUEUE, 0); } static void blk_add_trace_getrq(void *ignore, struct bio *bio) { - blk_add_trace_bio(bio->bi_disk->queue, bio, BLK_TA_GETRQ, 0); + blk_add_trace_bio(bio->bi_bdev->bd_disk->queue, bio, BLK_TA_GETRQ, 0); } static void blk_add_trace_plug(void *ignore, struct request_queue *q) @@ -967,7 +969,7 @@ static void blk_add_trace_unplug(void *ignore, struct request_queue *q, static void blk_add_trace_split(void *ignore, struct bio *bio, unsigned int pdu) { - struct request_queue *q = bio->bi_disk->queue; + struct request_queue *q = bio->bi_bdev->bd_disk->queue; struct blk_trace *bt; rcu_read_lock(); @@ -997,7 +999,7 @@ static void blk_add_trace_split(void *ignore, struct bio *bio, unsigned int pdu) 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 request_queue *q = bio->bi_bdev->bd_disk->queue; struct blk_trace *bt; struct blk_io_trace_remap r; |