From: tytso@mit.edu
To: Lukas Czerner <lczerner@redhat.com>
Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
xfs@oss.sgi.com
Subject: Re: [PATCH 5/6 v2] ext4: Introduce FALLOC_FL_ZERO_RANGE flag for fallocate
Date: Sun, 16 Mar 2014 00:13:34 -0400 [thread overview]
Message-ID: <20140316041334.GC31988@thunk.org> (raw)
In-Reply-To: <1393355679-11160-6-git-send-email-lczerner@redhat.com>
On Tue, Feb 25, 2014 at 08:14:38PM +0100, Lukas Czerner wrote:
> Introduce new FALLOC_FL_ZERO_RANGE flag for fallocate. This has the same
> functionality as xfs ioctl XFS_IOC_ZERO_RANGE.
>
> It can be used to convert a range of file to zeros preferably without
> issuing data IO. Blocks should be preallocated for the regions that span
> holes in the file, and the entire range is preferable converted to
> unwritten extents
>
> This can be also used to preallocate blocks past EOF in the same way as
> with fallocate. Flag FALLOC_FL_KEEP_SIZE which should cause the inode
> size to remain the same.
>
> Also add appropriate tracepoints.
>
> Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Thanks, applied.
- Ted
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next prev parent reply other threads:[~2014-03-16 4:13 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-25 19:14 [PATCH 0/6 v2] Introduce FALLOC_FL_ZERO_RANGE flag for fallocate Lukas Czerner
2014-02-25 19:14 ` [PATCH 1/6 v2] ext4: Update inode i_size after the preallocation Lukas Czerner
2014-03-16 3:27 ` tytso
2014-03-17 3:02 ` tytso
2014-03-17 10:48 ` Lukáš Czerner
2014-02-25 19:14 ` [PATCH 2/6 v2] ext4: refactor ext4_fallocate code Lukas Czerner
2014-03-16 3:28 ` tytso
2014-02-25 19:14 ` [PATCH 3/6 v2] ext4: translate fallocate mode bits to strings Lukas Czerner
2014-02-25 19:14 ` [PATCH 4/6 v2] fs: Introduce FALLOC_FL_ZERO_RANGE flag for fallocate Lukas Czerner
2014-02-25 19:14 ` [PATCH 5/6 v2] ext4: " Lukas Czerner
2014-02-26 6:00 ` jon ernst
2014-02-27 4:41 ` jon ernst
2014-02-27 11:56 ` Lukáš Czerner
2014-03-16 4:13 ` tytso [this message]
2014-02-25 19:14 ` [PATCH 6/6 v2] xfs: Add support for FALLOC_FL_ZERO_RANGE Lukas Czerner
2014-03-13 8:49 ` [PATCH 0/6 v2] Introduce FALLOC_FL_ZERO_RANGE flag for fallocate Dave Chinner
2014-03-13 10:14 ` Lukáš Czerner
2014-03-16 19:08 ` tytso
2014-03-17 2:19 ` tytso
2014-03-17 12:50 ` Lukáš Czerner
2014-03-17 13:29 ` tytso
2014-03-17 15:10 ` Lukáš Czerner
2014-03-17 20:57 ` tytso
2014-03-17 12:59 ` Lukáš Czerner
2014-03-17 21:00 ` tytso
2014-03-18 9:06 ` Lukáš Czerner
2014-03-18 11:37 ` Lukáš Czerner
2014-03-18 12:39 ` tytso
2014-03-18 12:52 ` Lukáš Czerner
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