diff options
| author | santhoshkumar-mani <santhosh.santuu@gmail.com> | 2023-07-01 17:11:57 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2023-07-01 17:14:49 +0000 |
| commit | d3eb9d3db3aa36df13f96c48bff8acdf626464c5 (patch) | |
| tree | c214a145cf53e6492a46ae33f31f78bbb4f0177e /sys/geom | |
| parent | 6f9388d50588e99dc6abb29aade52dc8e6d44d98 (diff) | |
Diffstat (limited to 'sys/geom')
| -rw-r--r-- | sys/geom/geom_disk.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/geom/geom_disk.c b/sys/geom/geom_disk.c index 90fe0216dd8b..a000dfe6c4f2 100644 --- a/sys/geom/geom_disk.c +++ b/sys/geom/geom_disk.c @@ -71,6 +71,7 @@ struct g_disk_softc { char led[64]; uint32_t state; struct mtx done_mtx; + bool flush_notsup_succeed; }; static g_access_t g_disk_access; @@ -539,7 +540,7 @@ g_disk_start(struct bio *bp) g_trace(G_T_BIO, "g_disk_flushcache(%s)", bp->bio_to->name); if (!(dp->d_flags & DISKFLAG_CANFLUSHCACHE)) { - error = EOPNOTSUPP; + error = (sc->flush_notsup_succeed) ? 0 : EOPNOTSUPP; break; } /*FALLTHROUGH*/ @@ -760,6 +761,10 @@ g_disk_create(void *arg, int flag) SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "flags", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, dp, 0, g_disk_sysctl_flags, "A", "Report disk flags"); + SYSCTL_ADD_BOOL(&sc->sysctl_ctx, + SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "flush_notsup_succeed", + CTLFLAG_RWTUN, &sc->flush_notsup_succeed, sizeof(sc->flush_notsup_succeed), + "Do not return EOPNOTSUPP if there is no cache to flush"); } pp->private = sc; dp->d_geom = gp; |