diff options
| author | Jens Axboe <jens.axboe@oracle.com> | 2011-09-29 15:27:56 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-07 12:32:40 -0800 |
| commit | f17984a975b6aa4c47a173d93c45eb57ca5b125e (patch) | |
| tree | 96c3e09073a4685e3aaa68fcd226c050f41c126f /block | |
| parent | 63d34056ad814679badc9182292c172af242d565 (diff) | |
cfq-iosched: get rid of the coop_preempt flag
commit e00ef7997195e4f8e10593727a6286e2e2802159 upstream
We need to rework this logic post the cooperating cfq_queue merging,
for now just get rid of it and Jeff Moyer will fix the fall out.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'block')
| -rw-r--r-- | block/cfq-iosched.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 7b54df7ddce..3d3a329167a 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -210,7 +210,6 @@ enum cfqq_state_flags { CFQ_CFQQ_FLAG_slice_new, /* no requests dispatched in slice */ CFQ_CFQQ_FLAG_sync, /* synchronous queue */ CFQ_CFQQ_FLAG_coop, /* cfqq is shared */ - CFQ_CFQQ_FLAG_coop_preempt, /* coop preempt */ }; #define CFQ_CFQQ_FNS(name) \ @@ -237,7 +236,6 @@ CFQ_CFQQ_FNS(prio_changed); CFQ_CFQQ_FNS(slice_new); CFQ_CFQQ_FNS(sync); CFQ_CFQQ_FNS(coop); -CFQ_CFQQ_FNS(coop_preempt); #undef CFQ_CFQQ_FNS #define cfq_log_cfqq(cfqd, cfqq, fmt, args...) \ @@ -962,9 +960,6 @@ static struct cfq_queue *cfq_set_active_queue(struct cfq_data *cfqd, if (!cfqq) cfqq = cfq_get_next_queue(cfqd); - if (cfqq) - cfq_clear_cfqq_coop_preempt(cfqq); - __cfq_set_active_queue(cfqd, cfqq); return cfqq; } @@ -2168,16 +2163,8 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq, * if this request is as-good as one we would expect from the * current cfqq, let it preempt */ - if (cfq_rq_close(cfqd, cfqq, rq) && (!cfq_cfqq_coop(new_cfqq) || - cfqd->busy_queues == 1)) { - /* - * Mark new queue coop_preempt, so its coop flag will not be - * cleared when new queue gets scheduled at the very first time - */ - cfq_mark_cfqq_coop_preempt(new_cfqq); - cfq_mark_cfqq_coop(new_cfqq); + if (cfq_rq_close(cfqd, cfqq, rq)) return true; - } return false; } |