xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NFSv4.2/pnfs: Make the layoutstats timer configurable

Browse Source 
Allow advanced users to set the layoutstats timer in order to lengthen
or shorten the period between layoutstat transmissions to the server.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust
2015-08-24 20:39:18 -04:00
parent 266d12d42e
commit bbf58bf348
4 changed files with 20 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
fs/nfs/flexfilelayout/flexfilelayout.c
View File

@@ -533,14 +533,17 @@ nfs4_ff_layoutstat_start_io(struct nfs4_ff_layout_mirror *mirror,
ktime_t now)
{
static const ktime_t notime = {0};
s64 report_interval = FF_LAYOUTSTATS_REPORT_INTERVAL;
nfs4_ff_start_busy_timer(&layoutstat->busy_timer, now);
if (ktime_equal(mirror->start_time, notime))
mirror->start_time = now;
if (ktime_equal(mirror->last_report_time, notime))
mirror->last_report_time = now;
if (layoutstats_timer != 0)
report_interval = (s64)layoutstats_timer * 1000LL;
if (ktime_to_ms(ktime_sub(now, mirror->last_report_time)) >=
FF_LAYOUTSTATS_REPORT_INTERVAL) {
report_interval) {
mirror->last_report_time = now;
return true;
}