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Re: [dm-devel] [PATCH 42/41 v2] dm: convey that all flushes are processed as empty



On 09/08/2010 04:04 AM, Mike Snitzer wrote:
> Rename __clone_and_map_flush to __clone_and_map_empty_flush for added
> clarity.
> 
> Simplify logic associated with REQ_FLUSH conditionals.
> 
> Introduce a BUG_ON() and add a few more helpful comments to the code
> so that it is clear that all flushes are empty.
> 
> Cleanup __split_and_process_bio() so that an empty flush isn't processed
> by a 'sector_count' focused while loop.
> 
> Signed-off-by: Mike Snitzer <snitzer redhat com>
> ---
>  drivers/md/dm.c |   34 +++++++++++++++-------------------
>  1 files changed, 15 insertions(+), 19 deletions(-)
> 
> Tejun, please feel free to fold this patch into (or insert after)
> 0025-dm-relax-ordering-of-bio-based-flush-implementation.patch

I added it after 26 and updated flush-fua branch accordingly.

Thank you.

-- 
tejun


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