From: Theodore Tso <tytso@mit.edu>
To: Peng Tao <bergwolf@gmail.com>
Cc: linux-ext4@vger.kernel.org
Subject: Re: [PATCH] fix null handler of ioctls in no journal mode
Date: Mon, 13 Jul 2009 09:29:53 -0400 [thread overview]
Message-ID: <20090713132953.GA1030@mit.edu> (raw)
In-Reply-To: <1247223826-24378-1-git-send-email-bergwolf@gmail.com>
On Fri, Jul 10, 2009 at 07:03:46PM +0800, Peng Tao wrote:
> EXT4_IOC_GROUP_ADD and EXT4_IOC_GROUP_EXTEND ioctls should not flush journal
> in no_journal mode.
Thanks, added to the ext4 patch queue, altough I did tighten up up
your patch description slightly:
ext4: fix null handler of ioctls in no journal mode
The EXT4_IOC_GROUP_ADD and EXT4_IOC_GROUP_EXTEND ioctls should not
flush the journal in no_journal mode. Otherwise, running resize2fs on
a mounted no_journal partition triggers the following error messages:
BUG: unable to handle kernel NULL pointer dereference at 00000014
IP: [<c039d282>] _spin_lock+0x8/0x19
*pde = 00000000
Oops: 0002 [#1] SMP
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
- Ted
prev parent reply other threads:[~2009-07-13 13:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-10 11:03 [PATCH] fix null handler of ioctls in no journal mode Peng Tao
2009-07-13 13:29 ` Theodore Tso [this message]
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