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| author | Arnd Bergmann <arnd@arndb.de> | 2012-01-09 20:14:07 +0400 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-01-09 20:14:07 +0400 |
| commit | 142f2101a86ade2d6c9dfbedf82e1b5b31c8fce6 (patch) | |
| tree | 8cced517382b7087df4e89a9e2a00ccac9676a92 /block/cfq-iosched.c | |
| parent | 155bc27fdfbdf65a07a4f8ef3eafa25e57d8b511 (diff) | |
| parent | a07613a54d700a974f3a4a657da78ef5d097315d (diff) | |
| download | linux-142f2101a86ade2d6c9dfbedf82e1b5b31c8fce6.tar.xz | |
Merge branch 'samsung/cleanup' into samsung/driver
Conflicts:
arch/arm/mach-s5p64x0/cpu.c -> common.c
More changes to a file that got moved into common.c,
see previous conflict resolutions.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 4c12869fcf77..3548705b04e4 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1655,6 +1655,8 @@ cfq_merged_requests(struct request_queue *q, struct request *rq, struct request *next) { struct cfq_queue *cfqq = RQ_CFQQ(rq); + struct cfq_data *cfqd = q->elevator->elevator_data; + /* * reposition in fifo if next is older than rq */ @@ -1669,6 +1671,16 @@ cfq_merged_requests(struct request_queue *q, struct request *rq, cfq_remove_request(next); cfq_blkiocg_update_io_merged_stats(&(RQ_CFQG(rq))->blkg, rq_data_dir(next), rq_is_sync(next)); + + cfqq = RQ_CFQQ(next); + /* + * all requests of this queue are merged to other queues, delete it + * from the service tree. If it's the active_queue, + * cfq_dispatch_requests() will choose to expire it or do idle + */ + if (cfq_cfqq_on_rr(cfqq) && RB_EMPTY_ROOT(&cfqq->sort_list) && + cfqq != cfqd->active_queue) + cfq_del_cfqq_rr(cfqd, cfqq); } static int cfq_allow_merge(struct request_queue *q, struct request *rq, |