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| author |   Christoph Hellwig <hch@lst.de> | 2021-01-24 11:02:36 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-01-24 18:17:20 -0700 |
| commit | 30c5d3456c272f0de0d7e7eb9fc355fa64a5f649 (patch) | |
| tree | 8901f97019c05ddd88c2efa9994c7943519107d1 /include/linux/bio.h | |
| parent | block: simplify submit_bio_checks a bit (diff) | |
| download | linux-dev-30c5d3456c272f0de0d7e7eb9fc355fa64a5f649.tar.xz linux-dev-30c5d3456c272f0de0d7e7eb9fc355fa64a5f649.zip | |
block: do not reassig ->bi_bdev when partition remapping
There is no good reason to reassign ->bi_bdev when remapping the
partition-relative block number to the device wide one, as all the
information required by the drivers comes from the gendisk anyway.
Keeping the original ->bi_bdev alive will allow to greatly simplify
the partition-away I/O accounting.
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 'include/linux/bio.h')
| -rw-r--r-- | include/linux/bio.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 12af7aa5db37..2f1155eabaff 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -485,6 +485,7 @@ extern const char *bio_devname(struct bio *bio, char *buffer); #define bio_set_dev(bio, bdev) \ do { \ + bio_clear_flag(bio, BIO_REMAPPED); \ if ((bio)->bi_bdev != (bdev)) \ bio_clear_flag(bio, BIO_THROTTLED); \ (bio)->bi_bdev = (bdev); \ @@ -493,6 +494,7 @@ do { \ #define bio_copy_dev(dst, src) \ do { \ + bio_clear_flag(dst, BIO_REMAPPED); \ (dst)->bi_bdev = (src)->bi_bdev; \ bio_clone_blkg_association(dst, src); \ } while (0) |