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Re: [PATCH v2] fs: Add new pre-allocation ioctls to vfs for compatibilit

To: Ankit Jain <me@xxxxxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, mfasheh@xxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, joel.becker@xxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, xfs-masters@xxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, ocfs2-devel@xxxxxxxxxxxxxx
Subject: Re: [PATCH v2] fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Fri, 19 Dec 2008 03:59:12 -0500
In-reply-to: <20081219043744.GC17177@disturbed>
References: <494ABEBC.8060101@xxxxxxxxxxxxx> <20081219043744.GC17177@disturbed>
User-agent: Mutt/1.5.18 (2008-05-17)
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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