Merge branch 'for-linus' of git://git.kernel.dk/linux-block

Pull block merge fix from Jens Axboe.

This fixes the block segment counting bug and resulting sg overrun
reported by Kent Overstreet, introduced with the last block pull.

* 'for-linus' of git://git.kernel.dk/linux-block:
  block: don't optimize for non-cloned bio in bio_get_last_bvec()
This commit is contained in:
Linus Torvalds 2016-03-12 20:18:54 -08:00
commit f414ca64be

View File

@ -320,11 +320,6 @@ static inline void bio_get_last_bvec(struct bio *bio, struct bio_vec *bv)
struct bvec_iter iter = bio->bi_iter;
int idx;
if (!bio_flagged(bio, BIO_CLONED)) {
*bv = bio->bi_io_vec[bio->bi_vcnt - 1];
return;
}
if (unlikely(!bio_multiple_segments(bio))) {
*bv = bio_iovec(bio);
return;