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 <redacted>
---
 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