block: pass a block_device and opf to bio_reset
Pass the block_device that we plan to use this bio for and the
operation to bio_reset to optimize the assigment. A NULL block_device
can be passed, both for the passthrough case on a raw request_queue and
to temporarily avoid refactoring some nasty code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220124091107.642561-20-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/block/bio.c b/block/bio.c
index b2133d86..03cefe8 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -295,6 +295,8 @@ EXPORT_SYMBOL(bio_init);
/**
* bio_reset - reinitialize a bio
* @bio: bio to reset
+ * @bdev: block device to use the bio for
+ * @opf: operation and flags for bio
*
* Description:
* After calling bio_reset(), @bio will be in the same state as a freshly
@@ -302,11 +304,13 @@ EXPORT_SYMBOL(bio_init);
* preserved are the ones that are initialized by bio_alloc_bioset(). See
* comment in struct bio.
*/
-void bio_reset(struct bio *bio)
+void bio_reset(struct bio *bio, struct block_device *bdev, unsigned int opf)
{
bio_uninit(bio);
memset(bio, 0, BIO_RESET_BYTES);
atomic_set(&bio->__bi_remaining, 1);
+ bio->bi_bdev = bdev;
+ bio->bi_opf = opf;
}
EXPORT_SYMBOL(bio_reset);
