summaryrefslogtreecommitdiffstats
path: root/Kill.c
diff options
context:
space:
mode:
Diffstat (limited to 'Kill.c')
-rw-r--r--Kill.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/Kill.c b/Kill.c
index e738978..b3344bd 100644
--- a/Kill.c
+++ b/Kill.c
@@ -79,3 +79,81 @@ int Kill(char *dev, struct supertype *st, int force, int quiet, int noexcl)
close(fd);
return rv;
}
+
+int Kill_subarray(char *dev, char *subarray, int quiet)
+{
+ /* Delete a subarray out of a container, the subarry must be
+ * inactive. The subarray string must be a subarray index
+ * number.
+ *
+ * 0 = successfully deleted subarray from all container members
+ * 1 = failed to sync metadata to one or more devices
+ * 2 = failed to find the container, subarray, or other resource
+ * issue
+ */
+ struct supertype supertype, *st = &supertype;
+ int fd, rv = 2;
+
+ memset(st, 0, sizeof(*st));
+
+ if (snprintf(st->subarray, sizeof(st->subarray), "%s", subarray) >=
+ sizeof(st->subarray)) {
+ if (!quiet)
+ fprintf(stderr,
+ Name ": Input overflow for subarray '%s' > %zu bytes\n",
+ subarray, sizeof(st->subarray) - 1);
+ return 2;
+ }
+
+ fd = open_subarray(dev, st, quiet);
+ if (fd < 0)
+ return 2;
+
+ if (!st->ss->kill_subarray) {
+ if (!quiet)
+ fprintf(stderr,
+ Name ": Operation not supported for %s metadata\n",
+ st->ss->name);
+ goto free_super;
+ }
+
+ if (is_subarray_active(subarray, st->devname)) {
+ if (!quiet)
+ fprintf(stderr,
+ Name ": Subarray-%s still active, aborting\n",
+ subarray);
+ goto free_super;
+ }
+
+ if (mdmon_running(st->devnum))
+ st->update_tail = &st->updates;
+
+ /* ok we've found our victim, drop the axe */
+ rv = st->ss->kill_subarray(st);
+ if (rv) {
+ if (!quiet)
+ fprintf(stderr,
+ Name ": Failed to delete subarray-%s from %s\n",
+ subarray, dev);
+ goto free_super;
+ }
+
+ /* FIXME these routines do not report success/failure */
+ if (st->update_tail)
+ flush_metadata_updates(st);
+ else
+ st->ss->sync_metadata(st);
+
+ if (!quiet)
+ fprintf(stderr,
+ Name ": Deleted subarray-%s from %s, UUIDs may have changed\n",
+ subarray, dev);
+
+ rv = 0;
+
+ free_super:
+ st->ss->free_super(st);
+ close(fd);
+
+ return rv;
+}