bcachefs: Fix a memory leak in dio write path

Commit c42bca92be "bio: don't copy bvec
for direct IO" changed bio_iov_iter_get_pages() to point bio->bi_iovec
at the incoming biovec, meaning if we already allocated one, it'll be
leaked.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2021-06-14 14:47:26 -04:00 • committed by Kent Overstreet
commit 2ed5cd508d