/* tests if dev is a "standard" md dev name.
* i.e if the last component is "/dNN" or "/mdNN",
* where NN is a string of digits
+ * Returns 1 if a partitionable standard,
+ * -1 if non-partitonable,
+ * 0 if not a standard name.
*/
char *d = strrchr(dev, '/');
int type=0;
return fd;
}
-struct superswitch *superlist[] = { &super0, &super1, &super_ddf, NULL };
+struct superswitch *superlist[] = { &super0, &super1, &super_ddf, &super_imsm, NULL };
#if !defined(MDASSEMBLE) || defined(MDASSEMBLE) && defined(MDASSEMBLE_AUTO)
+
+struct supertype supertype_container_member;
+
struct supertype *super_by_fd(int fd)
{
mdu_array_info_t array;
sprintf(version, "%d.%d", vers, minor);
verstr = version;
}
- for (i = 0; st == NULL && superlist[i] ; i++)
- st = superlist[i]->match_metadata_desc(verstr);
+ if (minor == -2 && verstr[0] == '/')
+ st = &supertype_container_member;
+ else
+ for (i = 0; st == NULL && superlist[i] ; i++)
+ st = superlist[i]->match_metadata_desc(verstr);
if (sra)
sysfs_free(sra);
return -1;
}
+char *devnum2devname(int num)
+{
+ char name[100];
+ if (num > 0)
+ sprintf(name, "md%d", num);
+ else
+ sprintf(name, "md_d%d", -1-num);
+ return strdup(name);
+}
+
+int fd2devnum(int fd)
+{
+ struct stat stb;
+ if (fstat(fd, &stb) == 0 &&
+ (S_IFMT&stb.st_mode)==S_IFBLK) {
+ if (major(stb.st_rdev) == MD_MAJOR)
+ return minor(stb.st_rdev);
+ else
+ return -1- (minor(stb.st_rdev)>>6);
+ }
+ return -1;
+}
+
#ifdef __TINYC__
/* tinyc doesn't optimize this check in ioctl.h out ... */
unsigned int __invalid_size_argument_for_IOC = 0;