Attachment 839241 Details for Bug 1028750 – Patch from the Linux git repository

[patch] Patch from the Linux git repository

btrfs-fix.patch (text/plain), 1.09 KB, created by Pavel Roskin on 2013-12-19 20:47:41 UTC

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Creator: Pavel Roskin

Created: 2013-12-19 20:47:41 UTC

Size: 1.09 KB

patch

obsolete

>From 931aa87791af46640a46b11fa503a119e36943ec Mon Sep 17 00:00:00 2001
>From: Miao Xie <miaox@cn.fujitsu.com>
>Date: Thu, 14 Nov 2013 09:33:21 +0000
>Subject: Btrfs: fix list delete warning when removing ordered root from the list
>
>Commit b02441999efcc6152b87cd58e7970bb7843f76cf "Btrfs: don't wait for
>the completion of all the ordered extents" introduced a bug that broke
>the ordered root list:
> WARNING: CPU: 1 PID: 7119 at lib/list_debug.c:59 __list_del_entry+0x5a/0x98()
>
>It is because we forgot to return the roots in the splice list to the
>ordered list of the fs. Fix it.
>
>Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
>Signed-off-by: Josef Bacik <jbacik@fusionio.com>
>Signed-off-by: Chris Mason <chris.mason@fusionio.com>
>---
>diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
>index c37124b..69582d5 100644
>--- a/fs/btrfs/ordered-data.c
>+++ b/fs/btrfs/ordered-data.c
>@@ -638,6 +638,7 @@ void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr)
> 			WARN_ON(nr < 0);
> 		}
> 	}
>+	list_splice_tail(&splice, &fs_info->ordered_roots);
> 	spin_unlock(&fs_info->ordered_root_lock);
> }
> 
>--
>cgit v0.9.2

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