[XFS updates] XFS development tree branch, xfs-async-aio-extend, created. xfs-for-linus-v3.14-rc1-2-12923-g9862f62

[XFS updates] XFS development tree branch, xfs-async-aio-extend, created. xfs-for-linus-v3.14-rc1-2-12923-g9862f62

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The branch, xfs-async-aio-extend has been created
        at  9862f62faba8c279ac07415a6f610041116fbdc0 (commit)

- Log -----------------------------------------------------------------
commit 9862f62faba8c279ac07415a6f610041116fbdc0
Author: Christoph Hellwig <hch@infradead.org>
Date:   Mon Feb 10 10:28:04 2014 +1100

    xfs: allow appending aio writes
    
    XFS can easily support appending aio writes by ensuring we always allocate
    blocks as unwritten extents when performing direct I/O writes and only
    converting them to written extents at I/O completion.
    
    Signed-off-by: Christoph Hellwig <hch@lst.de>
    Reviewed-by: Dave Chinner <dchinner@redhat.com>
    Signed-off-by: Dave Chinner <david@fromorbit.com>

commit d531d91d69902e55633ed834f531aa0b48d618cc
Author: Christoph Hellwig <hch@infradead.org>
Date:   Mon Feb 10 10:27:43 2014 +1100

    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>

commit 6039257378e4c84da06e68230b14fef955508ce6
Author: Christoph Hellwig <hch@infradead.org>
Date:   Mon Feb 10 10:27:11 2014 +1100

    direct-io: add flag to allow aio writes beyond i_size
    
    Some filesystems can handle direct I/O writes beyond i_size safely,
    so allow them to opt into receiving them.
    
    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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