From: bugme-daemon@bugzilla.kernel.org
Subject: [Bug 12579] ext4 filesystem hang
Date: Sat, 14 Feb 2009 00:07:33 -0800 (PST)
Message-ID: <20090214080733.99D5311D10A@picon.linux-foundation.org>
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http://bugzilla.kernel.org/show_bug.cgi?id=12579
------- Comment #12 from aneesh.kumar@linux.vnet.ibm.com 2009-02-14 00:07 -------
On Fri, Feb 13, 2009 at 02:06:06PM -0800, bugme-daemon@bugzilla.kernel.org
wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=12579
>
>
>
>
>
> ------- Comment #8 from sandeen@redhat.com 2009-02-13 14:06 -------
> Created an attachment (id=20238)
--> (http://bugzilla.kernel.org/attachment.cgi?id=20238&action=view)
> --> (http://bugzilla.kernel.org/attachment.cgi?id=20238&action=view)
> Tested patch
>
> Patch from Aneesh, un-whitespace-mangled.
>
> Ted, can you push this out? Works great. :) We might want to ask the other
> reporter of something similar (next-20090206: deadlock on ext4) to test it too.
> I'll ping him.
>
I think this small changes is also needed.
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f743524..c80e038 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2495,7 +2495,10 @@ static int ext4_da_writepages(struct address_space
*mapping,
wbc->range_end = LLONG_MAX;
wbc->range_cyclic = 0;
range_cyclic = 1;
- cycled = 0;
+ if (index == 0)
+ cycled = 1;
+ else
+ cycled = 0;
} else
index = wbc->range_start >> PAGE_CACHE_SHIFT;
--
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