From: Stefan Behrens <sbehrens@giantdisaster.de>
Date: Wed, 23 May 2012 15:57:49 +0000 (+0200)
Subject: Btrfs: fix false positive in check-integrity on unmount
X-Git-Tag: v3.5-rc1~17^2~1^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=48235a68a3d1db579fc20d9915815228a1825757;p=platform%2Fupstream%2Fkernel-adaptation-pc.git

Btrfs: fix false positive in check-integrity on unmount

During unmount, it could happen that the integrity checker printed a
warning message "attempt to free ... on umount which is not yet iodone"
which turned out to be a false positive.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
---

diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index ed76183..9cebb1f 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -3337,7 +3337,7 @@ void btrfsic_unmount(struct btrfs_root *root,
 				btrfsic_block_link_free(l);
 		}
 
-		if (b_all->is_iodone)
+		if (b_all->is_iodone || b_all->never_written)
 			btrfsic_block_free(b_all);
 		else
 			printk(KERN_INFO "btrfs: attempt to free %c-block"