tree 0a242e1ceae3b4ddcac77592819c455c61ff5a24
parent 64d01dc9e1927e6535627d73f2336c75d1dd3fe2
author Richard Kennedy <richard@rsk.demon.co.uk> 1228304500 +0100
committer Jens Axboe <jens.axboe@oracle.com> 1230535724 +0100

block: reorder struct bio to remove padding on 64bit

Remove 8 bytes of padding from struct bio which also removes 16 bytes from
struct bio_pair to make it 248 bytes.  bio_pair then fits into one fewer
cache lines & into a smaller slab.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>