From 309dca309fc39a9e3c31b916393b74bd174fd74e Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sun, 24 Jan 2021 11:02:34 +0100 Subject: 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 Acked-by: Tejun Heo Signed-off-by: Jens Axboe --- drivers/md/dm-bio-record.h | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'drivers/md/dm-bio-record.h') diff --git a/drivers/md/dm-bio-record.h b/drivers/md/dm-bio-record.h index 2ea0360108e1..a3b71350eec8 100644 --- a/drivers/md/dm-bio-record.h +++ b/drivers/md/dm-bio-record.h @@ -18,8 +18,7 @@ */ struct dm_bio_details { - struct gendisk *bi_disk; - u8 bi_partno; + struct block_device *bi_bdev; int __bi_remaining; unsigned long bi_flags; struct bvec_iter bi_iter; @@ -31,8 +30,7 @@ struct dm_bio_details { static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio) { - bd->bi_disk = bio->bi_disk; - bd->bi_partno = bio->bi_partno; + bd->bi_bdev = bio->bi_bdev; bd->bi_flags = bio->bi_flags; bd->bi_iter = bio->bi_iter; bd->__bi_remaining = atomic_read(&bio->__bi_remaining); @@ -44,8 +42,7 @@ static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio) static inline void dm_bio_restore(struct dm_bio_details *bd, struct bio *bio) { - bio->bi_disk = bd->bi_disk; - bio->bi_partno = bd->bi_partno; + bio->bi_bdev = bd->bi_bdev; bio->bi_flags = bd->bi_flags; bio->bi_iter = bd->bi_iter; atomic_set(&bio->__bi_remaining, bd->__bi_remaining); -- cgit v1.2.3