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| author | Theodore Ts'o <tytso@mit.edu> | 2015-03-17 12:23:32 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2015-03-17 12:23:32 -0400 |
| commit | 1efff914afac8a965ad63817ecf8861a927c2ace (patch) | |
| tree | d7b582a4811e957a7dc6abd26629694276e19e2d /kernel/sysctl.c | |
| parent | a2f4870697a5bcf4a87073ec6b32dd2928c1211d (diff) | |
| download | lwn-1efff914afac8a965ad63817ecf8861a927c2ace.tar.gz lwn-1efff914afac8a965ad63817ecf8861a927c2ace.zip | |
fs: add dirtytime_expire_seconds sysctl
Add a tuning knob so we can adjust the dirtytime expiration timeout,
which is very useful for testing lazytime.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 88ea2d6e0031..ce410bb9f2e1 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -1228,6 +1228,14 @@ static struct ctl_table vm_table[] = { .extra1 = &zero, }, { + .procname = "dirtytime_expire_seconds", + .data = &dirtytime_expire_interval, + .maxlen = sizeof(dirty_expire_interval), + .mode = 0644, + .proc_handler = dirtytime_interval_handler, + .extra1 = &zero, + }, + { .procname = "nr_pdflush_threads", .mode = 0444 /* read-only */, .proc_handler = pdflush_proc_obsolete, |