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Code Issues Releases Activity

Use proper mutex locking when calling setrunnable from speedup_syncer().

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Submitted by:	Tor.Egge@fast.no
This commit is contained in:
Kirk McKusick 2000-12-13 01:06:53 +00:00
parent 5d24b61a76
commit 0bf3b91d8a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=69950
2 changed files with 4 additions and 6 deletions
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5
sys/kern/vfs_export.c
View File

@ -1103,12 +1103,11 @@ sched_sync(void)
int int
speedup_syncer() speedup_syncer()
{ {
int s;
s = splhigh(); mtx_enter(&sched_lock, MTX_SPIN);
if (updateproc->p_wchan == &lbolt) if (updateproc->p_wchan == &lbolt)
setrunnable(updateproc); setrunnable(updateproc);
splx(s); mtx_exit(&sched_lock, MTX_SPIN);
if (rushjob < syncdelay / 2) { if (rushjob < syncdelay / 2) {
rushjob += 1; rushjob += 1;
stat_rush_requests += 1; stat_rush_requests += 1;

5
sys/kern/vfs_subr.c
View File

@ -1103,12 +1103,11 @@ sched_sync(void)
int int
speedup_syncer() speedup_syncer()
{ {
int s;
s = splhigh(); mtx_enter(&sched_lock, MTX_SPIN);
if (updateproc->p_wchan == &lbolt) if (updateproc->p_wchan == &lbolt)
setrunnable(updateproc); setrunnable(updateproc);
splx(s); mtx_exit(&sched_lock, MTX_SPIN);
if (rushjob < syncdelay / 2) { if (rushjob < syncdelay / 2) {
rushjob += 1; rushjob += 1;
stat_rush_requests += 1; stat_rush_requests += 1;