Add -fail support to --incremental

[thirdparty/mdadm.git] / Incremental.c

diff --git a/Incremental.c b/Incremental.c
index d6dd0f43bef1e84786cb7dfb9fb75607edff3856..a99811d8a78c396c457bb27bed00df727abdce4f 100644 (file)
--- a/Incremental.c
+++ b/Incremental.c
@@ -849,3 +849,42 @@ int Incremental_container(struct supertype *st, char *devname, int verbose,
        map_unlock(&map);
        return 0;
 }
+
+/*
+ * IncrementalRemove - Attempt to see if the passed in device belongs to any
+ * raid arrays, and if so first fail (if needed) and then remove the device.
+ *
+ * @devname - The device we want to remove
+ *
+ * Note: the device name must be a kernel name like "sda", so
+ * that we can find it in /proc/mdstat
+ */
+int IncrementalRemove(char *devname, int verbose)
+{
+       int mdfd;
+       struct mdstat_ent *ent;
+       struct mddev_dev_s devlist;
+
+       if (strchr(devname, '/')) {
+               fprintf(stderr, Name ": incremental removal requires a "
+                       "kernel device name, not a file: %s\n", devname);
+               return 1;
+       }
+       ent = mdstat_by_component(devname);
+       if (!ent) {
+               fprintf(stderr, Name ": %s does not appear to be a component "
+                       "of any array\n", devname);
+               return 1;
+       }
+       mdfd = open_dev(ent->devnum);
+       if (mdfd < 0) {
+               fprintf(stderr, Name ": Cannot open array %s!!\n", ent->dev);
+               return 1;
+       }
+       memset(&devlist, 0, sizeof(devlist));
+       devlist.devname = devname;
+       devlist.disposition = 'f';
+       Manage_subdevs(ent->dev, mdfd, &devlist, verbose);
+       devlist.disposition = 'r';
+       return Manage_subdevs(ent->dev, mdfd, &devlist, verbose);
+}