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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:55:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:55:15 -0700 |
| commit | 355bbd8cb82e60a592f6cd86ce6dbe5677615cf4 (patch) | |
| tree | 23678e50ad4687f1656edc972388ee8014e7b89d /kernel/sysctl.c | |
| parent | 39695224bd84dc4be29abad93a0ec232a16fc519 (diff) | |
| parent | 746cd1e7e4a555ddaee53b19a46e05c9c61eaf09 (diff) | |
Merge branch 'for-2.6.32' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.32' of git://git.kernel.dk/linux-2.6-block: (29 commits)
block: use blkdev_issue_discard in blk_ioctl_discard
Make DISCARD_BARRIER and DISCARD_NOBARRIER writes instead of reads
block: don't assume device has a request list backing in nr_requests store
block: Optimal I/O limit wrapper
cfq: choose a new next_req when a request is dispatched
Seperate read and write statistics of in_flight requests
aoe: end barrier bios with EOPNOTSUPP
block: trace bio queueing trial only when it occurs
block: enable rq CPU completion affinity by default
cfq: fix the log message after dispatched a request
block: use printk_once
cciss: memory leak in cciss_init_one()
splice: update mtime and atime on files
block: make blk_iopoll_prep_sched() follow normal 0/1 return convention
cfq-iosched: get rid of must_alloc flag
block: use interrupts disabled version of raise_softirq_irqoff()
block: fix comment in blk-iopoll.c
block: adjust default budget for blk-iopoll
block: fix long lines in block/blk-iopoll.c
block: add blk-iopoll, a NAPI like approach for block devices
...
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 3125cff1c57..6bb59f70740 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -91,6 +91,7 @@ extern int sysctl_nr_trim_pages; #ifdef CONFIG_RCU_TORTURE_TEST extern int rcutorture_runnable; #endif /* #ifdef CONFIG_RCU_TORTURE_TEST */ +extern int blk_iopoll_enabled; /* Constants used for minimum and maximum */ #ifdef CONFIG_DETECT_SOFTLOCKUP @@ -997,7 +998,14 @@ static struct ctl_table kern_table[] = { .proc_handler = &proc_dointvec, }, #endif - + { + .ctl_name = CTL_UNNUMBERED, + .procname = "blk_iopoll", + .data = &blk_iopoll_enabled, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, /* * NOTE: do not add new entries to this table unless you have read * Documentation/sysctl/ctl_unnumbered.txt |