block: remove 'magic' from struct blk_plug
authorJens Axboe <axboe@fb.com>
Thu, 29 May 2014 14:09:00 +0000 (08:09 -0600)
committerJens Axboe <axboe@fb.com>
Thu, 29 May 2014 14:09:00 +0000 (08:09 -0600)
commit4d92a9beb39d80a7d8ff7c04ae12a10290105ae5
tree6c0c28e1e1e3edf9958bedbe9d5e6c2f84a13b92
parentcdef54dd85ad66e77262ea57796a3e81683dd5d6
block: remove 'magic' from struct blk_plug

I don't think we've ever caught any bugs with this, and there's the
list poisoning for the plug lists to catch uninitialized cases.
So remove the magic member and save 8 bytes in the struct.

Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-core.c
include/linux/blkdev.h