mdadm-1.0.9

[thirdparty/mdadm.git] / config.c

diff --git a/config.c b/config.c
index eef32480076efb93247789ddf7efdca53bf30ed1..1f2524496fd7e6a8b039f75bbbb29d6d47bbbada 100644 (file)
--- a/config.c
+++ b/config.c
@@ -201,6 +201,33 @@ struct conf_dev {
     char *name;
 } *cdevlist = NULL;
 
+void load_partitions(void)
+{
+       FILE *f = fopen("/proc/partitions", "r");
+       char buf[1024];
+       if (f == NULL) {
+               fprintf(stderr, Name ": cannot open /proc/partitions\n");
+               return;
+       }
+       while (fgets(buf, 1024, f)) {
+               int major, minor;
+               char *name;
+               buf[1023] = '\0';
+               if (buf[0] != ' ')
+                       continue;
+               if (sscanf(buf, " %d %d ", &major, &minor) != 2)
+                       continue;
+               name = map_dev(major, minor);
+               if (name) {
+                       struct conf_dev *cd;
+
+                       cd = malloc(sizeof(*cd));
+                       cd->name = strdup(name);
+                       cd->next = cdevlist;
+                       cdevlist = cd;
+               }
+       }
+}
 
 
 void devline(char *line) 
@@ -214,6 +241,9 @@ void devline(char *line)
                        cd->name = strdup(w);
                        cd->next = cdevlist;
                        cdevlist = cd;
+               } else if (strcasecmp(w, "partitions") == 0) {
+                       /* read /proc/partitions, and look major/minor up in /dev */
+                       load_partitions();
                } else {
                        fprintf(stderr, Name ": unreconised word on DEVICE line: %s\n",
                                w);
@@ -349,6 +379,10 @@ void load_conffile(char *conffile)
        if (conffile == NULL)
                conffile = DefaultConfFile;
 
+       if (strcmp(conffile, "partitions")==0) {
+               load_partitions();
+               return;
+       }
        f = fopen(conffile, "r");
        if (f ==NULL)
                return;