Commit 3bb50983 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: bio_set_pages_dirty can't see NULL bv_page in a valid bio_vec 



So don't bother handling it.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarMing Lei <ming.lei@redhat.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 24d5493f

block/bio.c

+2 −4
Original line number Diff line number Diff line
@@ -1636,10 +1636,8 @@ void bio_set_pages_dirty(struct bio *bio) 
	int i;



	bio_for_each_segment_all(bvec, bio, i) {

		struct page *page = bvec->bv_page;



		if (page && !PageCompound(page))

			set_page_dirty_lock(page);

		if (!PageCompound(bvec->bv_page))

			set_page_dirty_lock(bvec->bv_page);

	}

}

EXPORT_SYMBOL_GPL(bio_set_pages_dirty);