static struct {
int minor;
int partitioned;
- int pers;
+ int level;
int chunk;
char *device_names;
} md_setup_args[MAX_MD_DEVS] __initdata;
*/
static int __init md_setup(char *str)
{
- int minor, level, factor, fault, pers, partitioned = 0;
+ int minor, level, factor, fault, partitioned = 0;
char *pername = "";
char *str1;
int ent;
}
if (ent >= md_setup_ents)
md_setup_ents++;
- switch (get_option(&str, &level)) { /* RAID Personality */
+ switch (get_option(&str, &level)) { /* RAID level */
case 2: /* could be 0 or -1.. */
if (level == 0 || level == LEVEL_LINEAR) {
if (get_option(&str, &factor) != 2 || /* Chunk Size */
printk(KERN_WARNING "md: Too few arguments supplied to md=.\n");
return 0;
}
- md_setup_args[ent].pers = level;
+ md_setup_args[ent].level = level;
md_setup_args[ent].chunk = 1 << (factor+12);
- if (level == LEVEL_LINEAR) {
- pers = LINEAR;
+ if (level == LEVEL_LINEAR)
pername = "linear";
- } else {
- pers = RAID0;
+ else
pername = "raid0";
- }
- md_setup_args[ent].pers = pers;
break;
}
/* FALL THROUGH */
str = str1;
/* FALL THROUGH */
case 0:
- md_setup_args[ent].pers = 0;
+ md_setup_args[ent].level = LEVEL_NONE;
pername="super-block";
}
int err = 0;
char *devname;
mdu_disk_info_t dinfo;
- char name[16], devfs_name[16];
+ char name[16];
minor = md_setup_args[ent].minor;
partitioned = md_setup_args[ent].partitioned;
devname = md_setup_args[ent].device_names;
sprintf(name, "/dev/md%s%d", partitioned?"_d":"", minor);
- sprintf(devfs_name, "/dev/md/%s%d", partitioned?"d":"", minor);
if (partitioned)
dev = MKDEV(mdp_major, minor << MdpMinorShift);
else
dev = MKDEV(MD_MAJOR, minor);
- create_dev(name, dev, devfs_name);
+ create_dev(name, dev);
for (i = 0; i < MD_SB_DISKS && devname != 0; i++) {
char *p;
char comp_name[64];
continue;
}
- if (md_setup_args[ent].pers) {
+ if (md_setup_args[ent].level != LEVEL_NONE) {
/* non-persistent */
mdu_array_info_t ainfo;
- ainfo.level = pers_to_level(md_setup_args[ent].pers);
+ ainfo.level = md_setup_args[ent].level;
ainfo.size = 0;
ainfo.nr_disks =0;
ainfo.raid_disks =0;
err = sys_ioctl(fd, RUN_ARRAY, 0);
if (err)
printk(KERN_WARNING "md: starting md%d failed\n", minor);
+ else {
+ /* reread the partition table.
+ * I (neilb) and not sure why this is needed, but I cannot
+ * boot a kernel with devfs compiled in from partitioned md
+ * array without it
+ */
+ sys_close(fd);
+ fd = sys_open(name, 0, 0);
+ sys_ioctl(fd, BLKRRPART, 0);
+ }
sys_close(fd);
}
}
void __init md_run_setup(void)
{
- create_dev("/dev/md0", MKDEV(MD_MAJOR, 0), "md/0");
+ create_dev("/dev/md0", MKDEV(MD_MAJOR, 0));
if (raid_noautodetect)
printk(KERN_INFO "md: Skipping autodetection of RAID arrays. (raid=noautodetect)\n");
else {