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-rw-r--r--block/bio.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/block/bio.c b/block/bio.c
index f39477538fef..aa7354088008 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -667,18 +667,19 @@ struct bio *bio_clone_bioset(struct bio *bio_src, gfp_t gfp_mask,
667 bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector; 667 bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector;
668 bio->bi_iter.bi_size = bio_src->bi_iter.bi_size; 668 bio->bi_iter.bi_size = bio_src->bi_iter.bi_size;
669 669
670 if (bio_op(bio) == REQ_OP_DISCARD) 670 switch (bio_op(bio)) {
671 goto integrity_clone; 671 case REQ_OP_DISCARD:
672 672 case REQ_OP_SECURE_ERASE:
673 if (bio_op(bio) == REQ_OP_WRITE_SAME) { 673 break;
674 case REQ_OP_WRITE_SAME:
674 bio->bi_io_vec[bio->bi_vcnt++] = bio_src->bi_io_vec[0]; 675 bio->bi_io_vec[bio->bi_vcnt++] = bio_src->bi_io_vec[0];
675 goto integrity_clone; 676 break;
677 default:
678 bio_for_each_segment(bv, bio_src, iter)
679 bio->bi_io_vec[bio->bi_vcnt++] = bv;
680 break;
676 } 681 }
677 682
678 bio_for_each_segment(bv, bio_src, iter)
679 bio->bi_io_vec[bio->bi_vcnt++] = bv;
680
681integrity_clone:
682 if (bio_integrity(bio_src)) { 683 if (bio_integrity(bio_src)) {
683 int ret; 684 int ret;
684 685
@@ -1788,7 +1789,7 @@ struct bio *bio_split(struct bio *bio, int sectors,
1788 * Discards need a mutable bio_vec to accommodate the payload 1789 * Discards need a mutable bio_vec to accommodate the payload
1789 * required by the DSM TRIM and UNMAP commands. 1790 * required by the DSM TRIM and UNMAP commands.
1790 */ 1791 */
1791 if (bio_op(bio) == REQ_OP_DISCARD) 1792 if (bio_op(bio) == REQ_OP_DISCARD || bio_op(bio) == REQ_OP_SECURE_ERASE)
1792 split = bio_clone_bioset(bio, gfp, bs); 1793 split = bio_clone_bioset(bio, gfp, bs);
1793 else 1794 else
1794 split = bio_clone_fast(bio, gfp, bs); 1795 split = bio_clone_fast(bio, gfp, bs);