The patch titled
Write-only stuff in CFQ data structures
has been added to the -mm tree. Its filename is
write-only-stuff-in-cfq-data-structures.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Write-only stuff in CFQ data structures
From: Alexey Dobriyan <adobriyan@xxxxx>
There are some write-only fields in cfq_data and cfq_queue.
Cc: Jens Axboe <jens.axboe@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
block/cfq-iosched.c | 11 -----------
1 files changed, 11 deletions(-)
diff -puN block/cfq-iosched.c~write-only-stuff-in-cfq-data-structures block/cfq-iosched.c
--- a/block/cfq-iosched.c~write-only-stuff-in-cfq-data-structures
+++ a/block/cfq-iosched.c
@@ -111,9 +111,6 @@ struct cfq_data {
unsigned int cfq_slice_idle;
struct list_head cic_list;
-
- sector_t new_seek_mean;
- u64 new_seek_total;
};
/*
@@ -153,8 +150,6 @@ struct cfq_queue {
/* various state flags, see below */
unsigned int flags;
-
- sector_t last_request_pos;
};
enum cfqq_state_flags {
@@ -1597,11 +1592,6 @@ cfq_update_io_seektime(struct cfq_data *
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
@@ -1737,7 +1727,6 @@ cfq_rq_enqueued(struct cfq_data *cfqd, s
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) {
/*
_
Patches currently in -mm which might be from adobriyan@xxxxx are
origin.patch
consolidate-ptrace_detach.patch
git-dvb.patch
write-only-stuff-in-cfq-data-structures.patch
use-list_head-in-binfmt-handling.patch
make-unregister_binfmt-return-void.patch
fix-leaks-on-proc-schedsched_debugtimer_listtimer_stats.patch
fix-leak-on-proc-lockdep_stats.patch
slab_panic-more-proc-posix-timers-shmem.patch
add-kernel-notifierc.patch
add-kernel-notifierc-fix.patch
-
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