Messages in this thread | | | Date | Wed, 01 Sep 2010 15:56:57 +0200 | From | Tejun Heo <> | Subject | Re: [PATCH 3/5] dm: relax ordering of bio-based flush implementation |
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On 09/01/2010 03:51 PM, Mike Snitzer wrote: > Could you please document why it is OK to remove 'flush_error' in the > patch header? The -EOPNOTSUPP handling removal (done in patch 2) > obviously helps enable this but it is not clear how the > 'num_flush_requests' flushes that __clone_and_map_flush() generates do > not need explicit DM error handling.
Sure, I'll. It's because it now uses the same error handling path in dec_pending() all other bio's use. The flush_error thing was there because flushes got executed/completed in a separate code path to begin with. With the special path gone, there's no need for flush_error path either.
Thanks.
-- tejun
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