On Tue, 2011-01-11 at 10:37 +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
> The current xfs_file_aio_write code is a mess of locking shenanigans
> to handle the different locking requirements of buffered and direct
> IO. Start to clean this up by disentangling the direct IO path from
> the mess.
> This also removes the failed direct IO fallback path to buffered IO.
> XFS handles all direct IO cases without needing to fall back to
> buffered IO, so we can safely remove this unused path. This greatly
> simplifies the logic and locking needed in the write path.
I reviewed this before, and your statement here
now explains the important change you made about
the dead code for falling back to buffered I/O.
Reviewed-by: Alex Elder <aelder@xxxxxxx>
I think Christoph and I have signed off on all eight
of the patches in this series now.
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>