diff options
| author | markj <markj@FreeBSD.org> | 2017-04-11 17:15:39 +0000 |
|---|---|---|
| committer | markj <markj@FreeBSD.org> | 2017-04-11 17:15:39 +0000 |
| commit | e35af4bc35a458721dbadb5652a9b6e6d13d294b (patch) | |
| tree | 6b032252b8c55ee05f9b6b539f3c6e4ba7dbb5c9 | |
| parent | e87dbda4baca9928cb73b90c4635c686681dfc64 (diff) | |
| download | FreeBSD-src-e35af4bc35a458721dbadb5652a9b6e6d13d294b.zip FreeBSD-src-e35af4bc35a458721dbadb5652a9b6e6d13d294b.tar.gz | |
MFC r316175:
Avoid sleeping when the mirror I/O queue is non-empty.
| -rw-r--r-- | sys/geom/mirror/g_mirror.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/geom/mirror/g_mirror.c b/sys/geom/mirror/g_mirror.c index bf38e6e..2c65243 100644 --- a/sys/geom/mirror/g_mirror.c +++ b/sys/geom/mirror/g_mirror.c @@ -1894,6 +1894,10 @@ g_mirror_worker(void *arg) kproc_exit(0); } mtx_lock(&sc->sc_queue_mtx); + if (bioq_first(&sc->sc_queue) != NULL) { + mtx_unlock(&sc->sc_queue_mtx); + continue; + } } sx_xunlock(&sc->sc_lock); /* |
