imsm: PPL support

[thirdparty/mdadm.git] / Assemble.c

diff --git a/Assemble.c b/Assemble.c
index 3da090330019928021e5a5d999b5575ae541a1fe..8e55b49fa4064e3cf8a50346477d75d5baf3b25b 100644 (file)
--- a/Assemble.c
+++ b/Assemble.c
@@ -1942,6 +1942,55 @@ int assemble_container_content(struct supertype *st, int mdfd,
        map_update(NULL, fd2devnm(mdfd), content->text_version,
                   content->uuid, chosen_name);
 
+       if (content->consistency_policy == CONSISTENCY_POLICY_PPL &&
+           st->ss->validate_ppl) {
+               content->array.state |= 1;
+               err = 0;
+
+               for (dev = content->devs; dev; dev = dev->next) {
+                       int dfd;
+                       char *devpath;
+                       int ret;
+
+                       ret = st->ss->validate_ppl(st, content, dev);
+                       if (ret == 0)
+                               continue;
+
+                       if (ret < 0) {
+                               err = 1;
+                               break;
+                       }
+
+                       if (!c->force) {
+                               pr_err("%s contains invalid PPL - consider --force or --update-subarray with --update=no-ppl\n",
+                                       chosen_name);
+                               content->array.state &= ~1;
+                               avail[dev->disk.raid_disk] = 0;
+                               break;
+                       }
+
+                       /* have --force - overwrite the invalid ppl */
+                       devpath = map_dev(dev->disk.major, dev->disk.minor, 0);
+                       dfd = dev_open(devpath, O_RDWR);
+                       if (dfd < 0) {
+                               pr_err("Failed to open %s\n", devpath);
+                               err = 1;
+                               break;
+                       }
+
+                       err = st->ss->write_init_ppl(st, content, dfd);
+                       close(dfd);
+
+                       if (err)
+                               break;
+               }
+
+               if (err) {
+                       free(avail);
+                       return err;
+               }
+       }
+
        if (enough(content->array.level, content->array.raid_disks,
                   content->array.layout, content->array.state & 1, avail) == 0) {
                if (c->export && result)