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[dm-devel] Re: [PATCH 3/3] Add timeout feature
- From: Christoph Hellwig <hch infradead org>
- To: Andrew Morton <akpm linux-foundation org>
- Cc: axboe kernel dk, Takashi Sato <t-sato yk jp nec com>, mtk manpages googlemail com, linux-kernel vger kernel org, xfs oss sgi com, hch infradead org, dm-devel redhat com, viro ZenIV linux org uk, linux-fsdevel vger kernel org, linux-ext4 vger kernel org, Oleg Nesterov <oleg tv-sign ru>
- Subject: [dm-devel] Re: [PATCH 3/3] Add timeout feature
- Date: Fri, 22 Aug 2008 14:16:56 -0400
On Thu, Aug 21, 2008 at 01:20:06PM -0700, Andrew Morton wrote:
> I don't think the changelogs actually explained why this feature is
> being added?
>
> Which userspace tools are expected to send these ioctls? Something in
> util-linux? dm-utils? Are patches to those packages planned?
Currently the only surspace using freeze and thaw is xfs_freeze from
xfsprogs, which would work for various other filesystems that implement
->write_super_lockfs now instead of just XFS with patch 1.
The freeze stuff in this third patch isn't and won't be used by
xfs_freeze and doesn't make all that much sense (and we already had a
lot of previous discussion on this..)
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