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-rw-r--r--fs/bio-integrity.c26
1 files changed, 15 insertions, 11 deletions
diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index 77ebc3c263d6..549b0144da11 100644
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -140,7 +140,6 @@ int bio_integrity_add_page(struct bio *bio, struct page *page,
140 140
141 iv = bip_vec_idx(bip, bip->bip_vcnt); 141 iv = bip_vec_idx(bip, bip->bip_vcnt);
142 BUG_ON(iv == NULL); 142 BUG_ON(iv == NULL);
143 BUG_ON(iv->bv_page != NULL);
144 143
145 iv->bv_page = page; 144 iv->bv_page = page;
146 iv->bv_len = len; 145 iv->bv_len = len;
@@ -465,7 +464,7 @@ static int bio_integrity_verify(struct bio *bio)
465 464
466 if (ret) { 465 if (ret) {
467 kunmap_atomic(kaddr, KM_USER0); 466 kunmap_atomic(kaddr, KM_USER0);
468 break; 467 return ret;
469 } 468 }
470 469
471 sectors = bv->bv_len / bi->sector_size; 470 sectors = bv->bv_len / bi->sector_size;
@@ -493,18 +492,13 @@ static void bio_integrity_verify_fn(struct work_struct *work)
493 struct bio_integrity_payload *bip = 492 struct bio_integrity_payload *bip =
494 container_of(work, struct bio_integrity_payload, bip_work); 493 container_of(work, struct bio_integrity_payload, bip_work);
495 struct bio *bio = bip->bip_bio; 494 struct bio *bio = bip->bip_bio;
496 int error = bip->bip_error; 495 int error;
497 496
498 if (bio_integrity_verify(bio)) { 497 error = bio_integrity_verify(bio);
499 clear_bit(BIO_UPTODATE, &bio->bi_flags);
500 error = -EIO;
501 }
502 498
503 /* Restore original bio completion handler */ 499 /* Restore original bio completion handler */
504 bio->bi_end_io = bip->bip_end_io; 500 bio->bi_end_io = bip->bip_end_io;
505 501 bio_endio(bio, error);
506 if (bio->bi_end_io)
507 bio->bi_end_io(bio, error);
508} 502}
509 503
510/** 504/**
@@ -525,7 +519,17 @@ void bio_integrity_endio(struct bio *bio, int error)
525 519
526 BUG_ON(bip->bip_bio != bio); 520 BUG_ON(bip->bip_bio != bio);
527 521
528 bip->bip_error = error; 522 /* In case of an I/O error there is no point in verifying the
523 * integrity metadata. Restore original bio end_io handler
524 * and run it.
525 */
526 if (error) {
527 bio->bi_end_io = bip->bip_end_io;
528 bio_endio(bio, error);
529
530 return;
531 }
532
529 INIT_WORK(&bip->bip_work, bio_integrity_verify_fn); 533 INIT_WORK(&bip->bip_work, bio_integrity_verify_fn);
530 queue_work(kintegrityd_wq, &bip->bip_work); 534 queue_work(kintegrityd_wq, &bip->bip_work);
531} 535}