From: Martin K. Petersen <martin.petersen@oracle.com>
Date: Wed, 22 Sep 2010 19:33:37 +0000 (-0400)
Subject: block: Disable autoprotect
X-Git-Tag: v2.6.39-400.9.0~617
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=74043ae8aa0b1b0cb25eae99cb6c8ff3eb44a8a7;p=users%2Fjedix%2Flinux-maple.git

block: Disable autoprotect

Not all filesystems keep their pages stable during I/O leading to
checksum failures.  Disable automatic protection.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/block/blk-integrity.c b/block/blk-integrity.c
index 129b9e209a3b4..ad75541d85c57 100644
--- a/block/blk-integrity.c
+++ b/block/blk-integrity.c
@@ -401,7 +401,7 @@ int blk_integrity_register(struct gendisk *disk, struct blk_integrity *template)
 
 		kobject_uevent(&bi->kobj, KOBJ_ADD);
 
-		bi->flags |= INTEGRITY_FLAG_READ | INTEGRITY_FLAG_WRITE;
+		bi->flags = 0;	/* Disable checking by default */
 		bi->sector_size = queue_logical_block_size(disk->queue);
 		disk->integrity = bi;
 	} else