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(parent: 5fd5e5f) | patch
block: bounce: don't access bio->bi_io_vec in copy_to_high_bio_irq
authorMing Lei <ming.lei@redhat.com>
Mon, 18 Dec 2017 12:22:07 +0000 (20:22 +0800)
committerJens Axboe <axboe@kernel.dk>
Sat, 6 Jan 2018 16:18:00 +0000 (09:18 -0700)
commit6020fa686f509c1a8065bc702db5974d6518405f
tree93a2f8c318cf22449587d8c3e9a1df6d52a4cc10tree | snapshot
parent5fd5e5f23ec1ed749ceed563e5dfe112715e8dabcommit | diff
block: bounce: don't access bio->bi_io_vec in copy_to_high_bio_irq

Firstly this patch introduces BVEC_ITER_ALL_INIT for iterating one bio
from start to end.

As we need to support multipage bvecs, don't access bio->bi_io_vec
in copy_to_high_bio_irq(), and just use the standard iterator for that.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/bounce.c diff | blob | history
include/linux/bvec.h diff | blob | history
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