Module Name: src
Committed By: hannken
Date: Wed Apr 21 10:02:34 UTC 2021
Modified Files:
src/external/cddl/osnet/dist/uts/common/fs/zfs: arc.c
Log Message:
Prevent blocking l2arc_feed_thread() forever, skip the
cv_timedwait() for negative or zero ticks.
To generate a diff of this commit:
cvs rdiff -u -r1.19 -r1.20 \
src/external/cddl/osnet/dist/uts/common/fs/zfs/arc.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/external/cddl/osnet/dist/uts/common/fs/zfs/arc.c
diff -u src/external/cddl/osnet/dist/uts/common/fs/zfs/arc.c:1.19 src/external/cddl/osnet/dist/uts/common/fs/zfs/arc.c:1.20
--- src/external/cddl/osnet/dist/uts/common/fs/zfs/arc.c:1.19 Thu Jun 11 19:20:42 2020
+++ src/external/cddl/osnet/dist/uts/common/fs/zfs/arc.c Wed Apr 21 10:02:34 2021
@@ -7246,8 +7246,15 @@ l2arc_feed_thread(void *dummy __unused)
while (l2arc_thread_exit == 0) {
CALLB_CPR_SAFE_BEGIN(&cpr);
+#ifdef __NetBSD__
+ clock_t now = ddi_get_lbolt();
+ if (next > now)
+ (void) cv_timedwait(&l2arc_feed_thr_cv,
+ &l2arc_feed_thr_lock, next - now);
+#else
(void) cv_timedwait(&l2arc_feed_thr_cv, &l2arc_feed_thr_lock,
next - ddi_get_lbolt());
+#endif
CALLB_CPR_SAFE_END(&cpr, &l2arc_feed_thr_lock);
next = ddi_get_lbolt() + hz;
