Move the bio->bi_remaining increment into dm_unhook_bio() so the overwrite_endio() handler works as expected.
Signed-off-by: Mike Snitzer <[email protected]> --- drivers/md/dm-cache-target.c | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) [Jens: this one would've been needed as a post-merge fix for v3.13 but immutable biovecs fell out.. please apply to your for-3.14/core] diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index bf3a206..7c8dd1f 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -85,6 +85,12 @@ static void dm_unhook_bio(struct dm_hook_info *h, struct bio *bio) { bio->bi_end_io = h->bi_end_io; bio->bi_private = h->bi_private; + + /* + * Must bump bi_remaining to allow bio to complete with + * restored bi_end_io. + */ + atomic_inc(&bio->bi_remaining); } /*----------------------------------------------------------------*/ @@ -765,12 +771,6 @@ static void writethrough_endio(struct bio *bio, int err) dm_unhook_bio(&pb->hook_info, bio); - /* - * Must bump bi_remaining to allow bio to complete with - * restored bi_end_io. - */ - atomic_inc(&bio->bi_remaining); - if (err) { bio_endio(bio, err); return; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
