From: Christoph Hellwig <hch@infradead.org>
Date: Sun, 9 Feb 2014 23:27:43 +0000 (+1100)
Subject: xfs: always use unwritten extents for direct I/O writes
X-Git-Tag: v3.15-rc1~90^2~6^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d531d91d69902e55633ed834f531aa0b48d618cc;p=pandora-kernel.git

xfs: always use unwritten extents for direct I/O writes

To allow aio writes beyond i_size we need to create unwritten extents for
newly allocated blocks, similar to how we already do inside i_size.

Instead of adding another special case we now use unwritten extents
unconditionally.  This also marks the end of directly allocation data
extents in all of XFS - we now always use either delalloc or unwritten
extents.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
---

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