[Ocfs2-devel] [PATCH 17/41] ocfs2: Add CoW support.

[Joel Becker]

On Fri, Aug 21, 2009 at 11:04:11AM +0800, Tao Ma wrote:
> oh, actually I drafted up this code in the hypothesis that write_len
> <= max_clusters, so if we want to write 1.5MB, I am afraid we need
> to rethink it carefully.

	While the write_begin code generally will honor your idea, I
think it's better for ocfs2_refcount_cow() to be able to handle
anything.  Then we can use it wherever.  For example, really large
extended attributes.

Joel

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Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127