imsm: FIX: Sometimes reshape cannot be finished

[thirdparty/mdadm.git] / mdmon.c

diff --git a/mdmon.c b/mdmon.c
index 1f39f165d620035aebc06112a7ee872ceb34269b..d633cb0964bc2282a49e1ffda14311460547b16b 100644 (file)
--- a/mdmon.c
+++ b/mdmon.c
@@ -300,7 +300,8 @@ int main(int argc, char *argv[])
                /* launch an mdmon instance for each container found */
                mdstat = mdstat_read(0, 0);
                for (e = mdstat; e; e = e->next) {
-                       if (strncmp(e->metadata_version, "external:", 9) == 0 &&
+                       if (e->metadata_version &&
+                           strncmp(e->metadata_version, "external:", 9) == 0 &&
                            !is_subarray(&e->metadata_version[9])) {
                                devname = devnum2devname(e->devnum);
                                /* update cmdline so this mdmon instance can be
@@ -526,3 +527,26 @@ int child_monitor(int afd, struct mdinfo *sra, struct reshape *reshape,
 {
        return 0;
 }
+
+int restore_stripes(int *dest, unsigned long long *offsets,
+                   int raid_disks, int chunk_size, int level, int layout,
+                   int source, unsigned long long read_offset,
+                   unsigned long long start, unsigned long long length,
+                   char *src_buf)
+{
+       return 1;
+}
+
+void abort_reshape(struct mdinfo *sra)
+{
+       return;
+}
+
+int save_stripes(int *source, unsigned long long *offsets,
+                int raid_disks, int chunk_size, int level, int layout,
+                int nwrites, int *dest,
+                unsigned long long start, unsigned long long length,
+                char *buf)
+{
+       return 0;
+}