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| author | Alexey Dobriyan <adobriyan@sw.ru> | 2007-07-20 10:07:50 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-07-20 10:07:50 +0200 |
| commit | 8350163a90f6003c9e60e8ebc0e00f654657645f (patch) | |
| tree | 8b6f2fe6c36e6b7e542530363f253a74cfc12e98 /block | |
| parent | c2dea2d1fdbce86942dba0a968c523d8b7858bb5 (diff) | |
| download | lwn-8350163a90f6003c9e60e8ebc0e00f654657645f.tar.gz lwn-8350163a90f6003c9e60e8ebc0e00f654657645f.zip | |
cfq: Write-only stuff in CFQ data structures
There are some leftover bits from the task cooperator patch, that was
yanked out again. While it will get reintroduced, no point in having
this write-only stuff in the tree. So yank it.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/cfq-iosched.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index bc7190eed10d..d148ccbc36d1 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -115,9 +115,6 @@ struct cfq_data { unsigned int cfq_slice_idle; struct list_head cic_list; - - sector_t new_seek_mean; - u64 new_seek_total; }; /* @@ -157,8 +154,6 @@ struct cfq_queue { /* various state flags, see below */ unsigned int flags; - - sector_t last_request_pos; }; enum cfqq_state_flags { @@ -1621,11 +1616,6 @@ cfq_update_io_seektime(struct cfq_data *cfqd, struct cfq_io_context *cic, else sdist = cic->last_request_pos - rq->sector; - if (!cic->seek_samples) { - cfqd->new_seek_total = (7*cic->seek_total + (u64)256*sdist) / 8; - cfqd->new_seek_mean = cfqd->new_seek_total / 256; - } - /* * Don't allow the seek distance to get too large from the * odd fragment, pagein, etc @@ -1761,7 +1751,6 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq, cfq_update_idle_window(cfqd, cfqq, cic); cic->last_request_pos = rq->sector + rq->nr_sectors; - cfqq->last_request_pos = cic->last_request_pos; if (cfqq == cfqd->active_queue) { /* |