On Fri, Jul 15, 2011 at 05:26:38PM -0400, Josef Bacik wrote:
> Everybody else does this, we need to do it too.  If we're syncing, we need to
> tag the pages we're going to write for writeback so we don't end up writing 
> the
> same stuff over and over again if somebody is constantly redirtying our file.
> This will keep us from having latencies with heavy sync workloads.  Thanks,

Maybe it's time to find a wait to merge the btrfs copy of write_cache_pages
back into the main one?

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