Fix various abuse of bio fields in umem.c

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umem.c:
  advances bi_idx and bi_sector to track where it is up to.
   But it is only ever doing this on one bio, so the updated
   fields can easily be kept elsewhere (current_*).
  updates bi_size, but never uses the updated values, so
   this isn't needed.
  reuses bi_phys_segments to count how many iovecs have been
   completely.  As the completion happens sequentiually, we
   can store this information outside the bio too.

Signed-off-by: Neil Brown <neilb@suse.de>

diff .prev/drivers/block/umem.c ./drivers/block/umem.c
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

...

This commit is contained in:

NeilBrown 2007-08-16 13:31:26 +02:00 • committed by Jens Axboe

parent 5705f70217

commit eea9befacc

1 changed files with 25 additions and 13 deletions

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drivers/block/umem.c

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