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| author | Jens Axboe <jens.axboe@oracle.com> | 2007-01-19 11:35:30 +1100 |
|---|---|---|
| committer | Jens Axboe <axboe@carl.home.kernel.dk> | 2007-02-11 23:14:44 +0100 |
| commit | b0b8d74941b7bc67edec26e4c114d27827edfd09 (patch) | |
| tree | 622cc98d113eac9d34e0ce02ff9eed77fbaf033b | |
| parent | 98e41c7dfc90c0e9a1086502d4c4d367e1ad74db (diff) | |
| download | lwn-b0b8d74941b7bc67edec26e4c114d27827edfd09.tar.gz lwn-b0b8d74941b7bc67edec26e4c114d27827edfd09.zip | |
cfq-iosched: document the cfqq flags
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| -rw-r--r-- | block/cfq-iosched.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 4c24986151ba..975cdfc8d614 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -162,15 +162,15 @@ struct cfq_queue { }; enum cfqq_state_flags { - CFQ_CFQQ_FLAG_on_rr = 0, - CFQ_CFQQ_FLAG_wait_request, - CFQ_CFQQ_FLAG_must_alloc, - CFQ_CFQQ_FLAG_must_alloc_slice, - CFQ_CFQQ_FLAG_must_dispatch, - CFQ_CFQQ_FLAG_fifo_expire, - CFQ_CFQQ_FLAG_idle_window, - CFQ_CFQQ_FLAG_prio_changed, - CFQ_CFQQ_FLAG_queue_new, + CFQ_CFQQ_FLAG_on_rr = 0, /* on round-robin busy list */ + CFQ_CFQQ_FLAG_wait_request, /* waiting for a request */ + CFQ_CFQQ_FLAG_must_alloc, /* must be allowed rq alloc */ + CFQ_CFQQ_FLAG_must_alloc_slice, /* per-slice must_alloc flag */ + CFQ_CFQQ_FLAG_must_dispatch, /* must dispatch, even if expired */ + CFQ_CFQQ_FLAG_fifo_expire, /* FIFO checked in this slice */ + CFQ_CFQQ_FLAG_idle_window, /* slice idling enabled */ + CFQ_CFQQ_FLAG_prio_changed, /* task priority has changed */ + CFQ_CFQQ_FLAG_queue_new, /* queue never been serviced */ }; #define CFQ_CFQQ_FNS(name) \ |