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blk-mq: remove REQ_ATOM_STARTED

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After the recent updates to use generation number and state based
synchronization, we can easily replace REQ_ATOM_STARTED usages by
adding an extra state to distinguish completed but not yet freed
state.

Add MQ_RQ_COMPLETE and replace REQ_ATOM_STARTED usages with
blk_mq_rq_state() tests.  REQ_ATOM_STARTED no longer has any users
left and is removed.

Signed-off-by: Tejun Heo <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Tejun Heo 2018-01-09 08:29:52 -08:00 • committed by Jens Axboe
commit 5a61c36398
4 changed files with 10 additions and 33 deletions
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1
block/blk.h
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@ -124,7 +124,6 @@ void blk_account_io_done(struct request *req);
*/
enum rq_atomic_flags {
REQ_ATOM_COMPLETE = 0,
REQ_ATOM_STARTED,
REQ_ATOM_POLL_SLEPT,
};