Commit 6e6e811d authored by Kent Overstreet's avatar Kent Overstreet Committed by Jens Axboe
Browse files

block: Add missing flush_dcache_page() call 



Since a bio can point to userspace pages (e.g. direct IO), this is
generally necessary.

Signed-off-by: default avatarKent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 45db54d5

block/bio.c

+2 −0
Original line number Diff line number Diff line
@@ -994,6 +994,8 @@ void bio_copy_data_iter(struct bio *dst, struct bvec_iter *dst_iter, 
		kunmap_atomic(dst_p);

		kunmap_atomic(src_p);



		flush_dcache_page(dst_bv.bv_page);



		bio_advance_iter(src, src_iter, bytes);

		bio_advance_iter(dst, dst_iter, bytes);

	}