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block: convert REQ_ATOM_COMPLETE to stealing rq->__deadline bit

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We only have one atomic flag left. Instead of using an entire
unsigned long for that, steal the bottom bit of the deadline
field that we already reserved.

Remove ->atomic_flags, since it's now unused.

Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2018-01-10 11:34:25 -07:00
commit e14575b3d4
5 changed files with 12 additions and 22 deletions
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