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SubjectRe: [patch 1/7] cpusets: add dirty map to struct address_space
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On Tue, 2008-10-28 at 09:08 -0700, David Rientjes wrote:
> @@ -487,6 +488,12 @@ void generic_sync_sb_inodes(struct super_block *sb,
> continue; /* blockdev has wrong queue */
> }
>
> + if (!cpuset_intersects_dirty_nodes(mapping, wbc->nodes)) {
> + /* No node pages under writeback */
> + requeue_io(inode);
> + continue;
> + }

So, aside from all the dirty limit and passing node masks around, this
is the magic bit?

I totally missed it first time around, a short mention in the changelog
might not be undeserved.



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