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authorAlexey Dobriyan <adobriyan@sw.ru>2007-07-20 04:07:50 -0400
committerJens Axboe <jens.axboe@oracle.com>2007-07-20 04:07:50 -0400
commit8350163a90f6003c9e60e8ebc0e00f654657645f (patch)
tree8b6f2fe6c36e6b7e542530363f253a74cfc12e98 /block/cfq-iosched.c
parentc2dea2d1fdbce86942dba0a968c523d8b7858bb5 (diff)
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/cfq-iosched.c')
-rw-r--r--block/cfq-iosched.c11
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 {
115 unsigned int cfq_slice_idle; 115 unsigned int cfq_slice_idle;
116 116
117 struct list_head cic_list; 117 struct list_head cic_list;
118
119 sector_t new_seek_mean;
120 u64 new_seek_total;
121}; 118};
122 119
123/* 120/*
@@ -157,8 +154,6 @@ struct cfq_queue {
157 154
158 /* various state flags, see below */ 155 /* various state flags, see below */
159 unsigned int flags; 156 unsigned int flags;
160
161 sector_t last_request_pos;
162}; 157};
163 158
164enum cfqq_state_flags { 159enum cfqq_state_flags {
@@ -1621,11 +1616,6 @@ cfq_update_io_seektime(struct cfq_data *cfqd, struct cfq_io_context *cic,
1621 else 1616 else
1622 sdist = cic->last_request_pos - rq->sector; 1617 sdist = cic->last_request_pos - rq->sector;
1623 1618
1624 if (!cic->seek_samples) {
1625 cfqd->new_seek_total = (7*cic->seek_total + (u64)256*sdist) / 8;
1626 cfqd->new_seek_mean = cfqd->new_seek_total / 256;
1627 }
1628
1629 /* 1619 /*
1630 * Don't allow the seek distance to get too large from the 1620 * Don't allow the seek distance to get too large from the
1631 * odd fragment, pagein, etc 1621 * odd fragment, pagein, etc
@@ -1761,7 +1751,6 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
1761 cfq_update_idle_window(cfqd, cfqq, cic); 1751 cfq_update_idle_window(cfqd, cfqq, cic);
1762 1752
1763 cic->last_request_pos = rq->sector + rq->nr_sectors; 1753 cic->last_request_pos = rq->sector + rq->nr_sectors;
1764 cfqq->last_request_pos = cic->last_request_pos;
1765 1754
1766 if (cfqq == cfqd->active_queue) { 1755 if (cfqq == cfqd->active_queue) {
1767 /* 1756 /*