From: Eric Sandeen <sandeen@redhat.com>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Theodore Tso <tytso@mit.edu>, cmm@us.ibm.com, linux-ext4@vger.kernel.org
Subject: Re: [PATCH 3/3] vfs: Add BUG_ON for delayed and unwritten extentsin submit_bh
Date: Tue, 12 May 2009 08:25:30 -0500 [thread overview]
Message-ID: <4A0978CA.4040904@redhat.com> (raw)
In-Reply-To: <20090512045210.GC6753@skywalker>
Aneesh Kumar K.V wrote:
> On Mon, May 11, 2009 at 11:17:09PM -0400, Theodore Tso wrote:
>> On Thu, May 07, 2009 at 04:09:30PM +0530, Aneesh Kumar K.V wrote:
>>> We should not do submit_bh for delayed and unwritten extents. So
>>> add a BUG_ON on them.
>> Hmm, maybe we should add a BUG_ON(buffer_new(bh)) here to? That flag
>> should never leak out to submit_bh as well, right?
>>
>
> Yes . But since BH_New is used by all the filesystems we need to
> verify them and make sure other filesystems gets it right. IIUC BH_Delay and
> BH_Unwritten are only used by ext4, xfs and btrfs
>
> -aneesh
I have confirmed that xfs won't care what we do in submit_bh... so
BUG_ONs here related to delay/unwritten won't worry xfs.
-Eric
next prev parent reply other threads:[~2009-05-12 13:25 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-07 10:39 [PATCH 1/3] ext4: Properly initialize the buffer_head state Aneesh Kumar K.V
2009-05-07 10:39 ` [PATCH 2/3] ext4: Clear the unwritten buffer_head flag properly Aneesh Kumar K.V
2009-05-07 10:39 ` [PATCH 3/3] vfs: Add BUG_ON for delayed and unwritten extents in submit_bh Aneesh Kumar K.V
2009-05-07 15:37 ` Eric Sandeen
2009-05-12 3:17 ` Theodore Tso
2009-05-12 4:52 ` [PATCH 3/3] vfs: Add BUG_ON for delayed and unwritten extentsin submit_bh Aneesh Kumar K.V
2009-05-12 13:25 ` Eric Sandeen [this message]
2009-05-07 15:36 ` [PATCH 2/3] ext4: Clear the unwritten buffer_head flag properly Eric Sandeen
2009-05-08 8:12 ` Aneesh Kumar K.V
2009-05-12 3:08 ` Theodore Tso
2009-05-12 4:46 ` Aneesh Kumar K.V
2009-05-13 18:56 ` Eric Sandeen
2009-05-13 22:28 ` Theodore Tso
2009-05-14 6:00 ` Aneesh Kumar K.V
2009-05-14 5:40 ` Aneesh Kumar K.V
2009-05-14 13:14 ` Theodore Tso
2009-05-07 15:20 ` [PATCH 1/3] ext4: Properly initialize the buffer_head state Eric Sandeen
2009-05-10 23:57 ` Theodore Tso
2009-05-11 9:24 ` Aneesh Kumar K.V
2009-05-11 11:31 ` Theodore Tso
2009-05-11 14:49 ` Eric Sandeen
2009-05-12 3:17 ` Theodore Tso
2009-05-12 4:47 ` Aneesh Kumar K.V
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