linux-kernel - Re: [PATCH][RFC] fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls

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Date:	Thu, 18 Dec 2008 15:24:43 +0530
From:	Ankit Jain <me@...itjain.org>
To:	Felix Blyakher <felixb@....com>
CC:	Al Viro <viro@...iv.linux.org.uk>,
	Christoph Hellwig <hch@...radead.org>,
	linux-fsdevel@...r.kernel.org, mfasheh@...e.com,
	joel.becker@...cle.com, ocfs2-devel@....oracle.com,
	linux-kernel@...r.kernel.org, xfs-masters@....sgi.com,
	xfs@....sgi.com
Subject: Re: [PATCH][RFC] fs: Add new pre-allocation ioctls to vfs for compatibility
 with legacy xfs ioctls

Felix Blyakher wrote:
> 
>> This patch adds ioctls to vfs for compatibility with legacy XFS
>> pre-allocation ioctls (XFS_IOC_*RESVP*). The implementation
>> effectively invokes sys_fallocate for the new ioctls.
> 
> I don't think we can use sys_fallocate for XFS_IOC_UNRESVSP*
> commands, which suppose to release currently allocated file
> blocks.
> See more comments below.

My bad :( I'll drop the *UNRESV* completely from the new ioctl and
post an updated patch.

-Ankit
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