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[2/2] bio-integrity: only verify integrity on the lowest stacked driver

Message ID 20170809154727.2085-3-hch@lst.de (mailing list archive)
State Not Applicable, archived
Delegated to: Mike Snitzer
Headers show

Commit Message

Christoph Hellwig Aug. 9, 2017, 3:47 p.m. UTC 
This gets us back to the behavior in 4.12 and earlier.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Fixes: 7c20f116 ("bio-integrity: stop abusing bi_end_io")
---
 block/bio-integrity.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index dcfb968c8259..9b1ea478577b 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -388,11 +388,10 @@  static void bio_integrity_verify_fn(struct work_struct *work)
 bool __bio_integrity_endio(struct bio *bio)
 {
 	struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
+	struct bio_integrity_payload *bip = bio_integrity(bio);
 
 	if (bio_op(bio) == REQ_OP_READ && !bio->bi_status &&
-	    bi->profile->verify_fn)
-		struct bio_integrity_payload *bip = bio_integrity(bio);
-
+	    (bip->bip_flags & BIP_BLOCK_INTEGRITY) && bi->profile->verify_fn) {
 		INIT_WORK(&bip->bip_work, bio_integrity_verify_fn);
 		queue_work(kintegrityd_wq, &bip->bip_work);
 		return false;