From: Dave Chinner <david@fromorbit.com>
To: Dongsu Park <dongsu.park@profitbricks.com>
Cc: Namjae Jeon <linkinjeon@gmail.com>,
linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com,
linux-ext4@vger.kernel.org, tytso@mit.edu,
Lukas Czerner <lczerner@redhat.com>,
Namjae Jeon <namjae.jeon@samsung.com>,
Ashish Sangwan <a.sangwan@samsung.com>
Subject: Re: [PATCH] util-linux/fallocate: introduce an option -c to support FALLOC_FL_COLLAPSE_RANGE
Date: Wed, 26 Feb 2014 06:31:01 +1100 [thread overview]
Message-ID: <20140225193101.GW13647@dastard> (raw)
In-Reply-To: <1393355305-12009-1-git-send-email-dongsu.park@profitbricks.com>
On Tue, Feb 25, 2014 at 08:08:25PM +0100, Dongsu Park wrote:
> Introduce a new option -c (or --collapse-range) to support a new flag
> FALLOC_FL_COLLAPSE_RANGE for fallocate(2). It will nullify a particular
> range [offset, offset+len] by shifting extents beyond the range to the
> beginning of the hole.
>
> To test that, it's necessary to apply kernel patches in the patchset
> "fs: Introduce new flag (FALLOC_FL_COLLAPSE_RANGE) for fallocate" [1],
> as well as "[PATCH v6] ext4: Add support FALLOC_FL_COLLAPSE_RANGE for
> fallocate". [2]
>
> As discussed in the thread "[PATCH RESEND 3/10] ext4: Add support
> FALLOC_FL_COLLAPSE_RANGE for fallocate", [3] this patch to util-linux
> will be useful for testing collapse-range inside xfstests.
FYI, we've already got support in xfs_io for collapse-range tests
inside xfstests.
http://oss.sgi.com/cgi-bin/gitweb.cgi?p=xfs/cmds/xfsprogs.git;a=commit;h=ca692f162d36c871c9c1b6169136b2c70503f2d8
There are already several tests that use it.
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2014-02-25 19:31 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-02 5:44 [PATCH RESEND 3/10] ext4: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate Namjae Jeon
2014-02-10 23:34 ` Dave Chinner
2014-02-11 11:59 ` Lukáš Czerner
2014-02-12 2:28 ` Namjae Jeon
2014-02-18 9:05 ` Lukáš Czerner
2014-02-18 9:46 ` Dave Chinner
2014-02-18 9:50 ` Namjae Jeon
2014-02-18 14:30 ` Theodore Ts'o
2014-02-19 1:08 ` Namjae Jeon
2014-02-25 19:08 ` [PATCH] util-linux/fallocate: introduce an option -c to support FALLOC_FL_COLLAPSE_RANGE Dongsu Park
2014-02-25 19:31 ` Dave Chinner [this message]
2014-02-27 10:27 ` Dongsu Park
2014-02-27 3:59 ` Namjae Jeon
2014-02-27 10:35 ` [PATCH v2] util-linux/fallocate: introduce an option -c to support COLLAPSE_RANGE Dongsu Park
2014-04-18 10:52 ` Karel Zak
2014-02-27 9:00 ` [PATCH] util-linux/fallocate: introduce an option -c to support FALLOC_FL_COLLAPSE_RANGE Karel Zak
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