block: move existing elevator ops to union

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Prep patch for adding MQ ops as well, since doing anon unions with
named initializers doesn't work on older compilers.

Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>

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Jens Axboe 2016-12-10 15:13:59 -07:00

parent c5082b70ad

commit c51ca6cf54

8 changed files with 47 additions and 45 deletions

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4

include/linux/elevator.h

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