Commit b0276694 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by David Sterba
Browse files

btrfs: stop using the btrfs_bio saved iter in index_rbio_pages 



The bios added to ->bio_list are the original bios fed into
btrfs_map_bio, which are never advanced.  Just use the iter in the
bio itself.

Reviewed-by: default avatarQu Wenruo <wqu@suse.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 75c17e66

fs/btrfs/raid56.c

+0 −3
Original line number Diff line number Diff line
@@ -1134,9 +1134,6 @@ static void index_rbio_pages(struct btrfs_raid_bio *rbio) 
		stripe_offset = start - rbio->bioc->raid_map[0];

		page_index = stripe_offset >> PAGE_SHIFT;



		if (bio_flagged(bio, BIO_CLONED))

			bio->bi_iter = btrfs_bio(bio)->iter;



		bio_for_each_segment(bvec, bio, iter) {

			rbio->bio_pages[page_index + i] = bvec.bv_page;

			i++;