From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH v2] fs: Add new pre-allocation ioctls to vfs for
	compatibility with legacy xfs ioctls
Date: Fri, 19 Dec 2008 03:59:12 -0500
Message-ID: <20081219085912.GA30293@infradead.org>
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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.