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-rw-r--r--sys/geom/geom_disk.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/geom/geom_disk.c b/sys/geom/geom_disk.c
index d7fa43ab421c..effc3b773314 100644
--- a/sys/geom/geom_disk.c
+++ b/sys/geom/geom_disk.c
@@ -657,6 +657,13 @@ disk_create(struct disk *dp, int version)
dp->d_name, dp->d_unit);
return;
}
+ if (dp->d_flags & DISKFLAG_RESERVED) {
+ printf("WARNING: Attempt to add non-MPSAFE disk %s%d\n",
+ dp->d_name, dp->d_unit);
+ printf("WARNING: Ignoring disk %s%d\n",
+ dp->d_name, dp->d_unit);
+ return;
+ }
KASSERT(dp->d_strategy != NULL, ("disk_create need d_strategy"));
KASSERT(dp->d_name != NULL, ("disk_create need d_name"));
KASSERT(*dp->d_name != 0, ("disk_create need d_name"));