Show all bitmaps while examining bitmap

[thirdparty/mdadm.git] / bitmap.c

diff --git a/bitmap.c b/bitmap.c
index 920033ad38893e56e18933967871e255cf485c43..0c3f6dead591cf40e9351a7f77208bbf3c606cb1 100644 (file)
--- a/bitmap.c
+++ b/bitmap.c
@@ -260,7 +260,7 @@ int ExamineBitmap(char *filename, int brief, struct supertype *st)
        int rv = 1;
        char buf[64];
        int swap;
-       int fd;
+       int fd, i;
        __u32 uuid32[4];
 
        fd = bitmap_file_open(filename, &st);
@@ -317,9 +317,13 @@ int ExamineBitmap(char *filename, int brief, struct supertype *st)
                       uuid32[2],
                       uuid32[3]);
 
-       printf("          Events : %llu\n", (unsigned long long)sb->events);
-       printf("  Events Cleared : %llu\n", (unsigned long long)sb->events_cleared);
-       printf("           State : %s\n", bitmap_state(sb->state));
+       if (sb->nodes == 0) {
+               printf("          Events : %llu\n", (unsigned long long)sb->events);
+               printf("  Events Cleared : %llu\n", (unsigned long long)sb->events_cleared);
+               printf("           State : %s\n", bitmap_state(sb->state));
+
+       }
+
        printf("       Chunksize : %s\n", human_chunksize(sb->chunksize));
        printf("          Daemon : %ds flush period\n", sb->daemon_sleep);
        if (sb->write_behind)
@@ -329,11 +333,40 @@ int ExamineBitmap(char *filename, int brief, struct supertype *st)
        printf("      Write Mode : %s\n", buf);
        printf("       Sync Size : %llu%s\n", (unsigned long long)sb->sync_size/2,
                                        human_size(sb->sync_size * 512));
-       if (brief)
-               goto free_info;
-       printf("          Bitmap : %llu bits (chunks), %llu dirty (%2.1f%%)\n",
-                       info->total_bits, info->dirty_bits,
-                       100.0 * info->dirty_bits / (info->total_bits?:1));
+
+       if (sb->nodes == 0) {
+               if (brief)
+                       goto free_info;
+               printf("          Bitmap : %llu bits (chunks), %llu dirty (%2.1f%%)\n",
+                      info->total_bits, info->dirty_bits,
+                      100.0 * info->dirty_bits / (info->total_bits?:1));
+       } else {
+               printf("   Cluster nodes : %d\n", sb->nodes);
+               printf("    Cluster name : %64s\n", sb->cluster_name);
+               for (i = 0; i < (int)sb->nodes; i++) {
+                       if (i) {
+                               free(info);
+                               info = bitmap_fd_read(fd, brief);
+                               sb = &info->sb;
+                       }
+                       if (sb->magic != BITMAP_MAGIC)
+                               pr_err("invalid bitmap magic 0x%x, the bitmap file appears to be corrupted\n", sb->magic);
+
+                       printf("       Node Slot : %d\n", i);
+                       printf("          Events : %llu\n",
+                              (unsigned long long)sb->events);
+                       printf("  Events Cleared : %llu\n",
+                              (unsigned long long)sb->events_cleared);
+                       printf("           State : %s\n", bitmap_state(sb->state));
+                       if (brief)
+                               continue;
+                       printf("          Bitmap : %llu bits (chunks), %llu dirty (%2.1f%%)\n",
+                              info->total_bits, info->dirty_bits,
+                              100.0 * info->dirty_bits / (info->total_bits?:1));
+
+               }
+       }
+
 free_info:
        free(info);
        return rv;