linux-kernel - Re: [PATCH v2] fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls

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Message-ID: <20081219085912.GA30293@infradead.org>
Date:	Fri, 19 Dec 2008 03:59:12 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Ankit Jain <me@...itjain.org>, Al Viro <viro@...iv.linux.org.uk>,
	mfasheh@...e.com, linux-kernel@...r.kernel.org,
	joel.becker@...cle.com, Christoph Hellwig <hch@...radead.org>,
	xfs-masters@....sgi.com, linux-fsdevel@...r.kernel.org,
	xfs@....sgi.com, ocfs2-devel@....oracle.com
Subject: Re: [PATCH v2] fs: Add new pre-allocation ioctls to vfs for
	compatibility with legacy xfs ioctls

On Fri, Dec 19, 2008 at 03:37:44PM +1100, Dave Chinner wrote:
> XFS_IOC_RESVSP supports invisible I/O, and that means
> XFS_IOC_RESVSP needs to be passed through to vfs_ioctl()
> to vector to XFS to handle.

When the current XFS git tree gets merged to mainline before this
patch.  invisible I/O handling is now FMODE_NOCMTIME in file->f_flags
which this patch will pass through to the filesystem.  We just need
to chage xfs_vn_fallocate ot honour it.

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