block: reorder struct bio to remove padding on 64bit

Browse source

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>

...

This commit is contained in:

Richard Kennedy 2008-12-03 12:41:40 +01:00 • committed by Jens Axboe

parent 64d01dc9e1

commit ba744d5e29

1 changed files with 2 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

3

include/linux/bio.h

View file