* try HOT_ADD_DISK
* If that fails EINVAL, try ADD_NEW_DISK
* 'r' - remove the device HOT_REMOVE_DISK
+ * device can be 'faulty' or 'detached' in which case all
+ * matching devices are removed.
* 'f' - set the device faulty SET_DISK_FAULTY
+ * device can be 'detached' in which case any device that
+ * is inaccessible will be marked faulty.
*/
mdu_array_info_t array;
mdu_disk_info_t disc;
- mddev_dev_t dv;
+ mddev_dev_t dv, next = NULL;
struct stat stb;
- int j;
+ int j, jnext = 0;
int tfd;
struct supertype *st;
void *dsuper = NULL;
devname);
return 1;
}
- for (dv = devlist ; dv; dv=dv->next) {
+ for (dv = devlist, j=0 ; dv; dv = next, j = jnext) {
unsigned long long ldsize;
+ char dvname[20];
+ char *dnprintable = dv->devname;
- if (stat(dv->devname, &stb)) {
- fprintf(stderr, Name ": cannot find %s: %s\n",
- dv->devname, strerror(errno));
- return 1;
- }
- if ((stb.st_mode & S_IFMT) != S_IFBLK) {
- fprintf(stderr, Name ": %s is not a block device.\n",
- dv->devname);
- return 1;
+ next = dv->next;
+ jnext = 0;
+
+ if (strcmp(dv->devname, "failed")==0 ||
+ strcmp(dv->devname, "faulty")==0) {
+ if (dv->disposition != 'r') {
+ fprintf(stderr, Name ": %s only meaningful "
+ "with -r, not -%c\n",
+ dv->devname, dv->disposition);
+ return 1;
+ }
+ for (; j < array.raid_disks + array.nr_disks ; j++) {
+ disc.number = j;
+ if (ioctl(fd, GET_DISK_INFO, &disc))
+ continue;
+ if (disc.major == 0 && disc.minor == 0)
+ continue;
+ if ((disc.state & 1) == 0) /* faulty */
+ continue;
+ stb.st_rdev = makedev(disc.major, disc.minor);
+ next = dv;
+ jnext = j+1;
+ sprintf(dvname,"%d:%d", disc.major, disc.minor);
+ dnprintable = dvname;
+ break;
+ }
+ if (jnext == 0)
+ continue;
+ } else if (strcmp(dv->devname, "detached") == 0) {
+ if (dv->disposition != 'r' && dv->disposition != 'f') {
+ fprintf(stderr, Name ": %s only meaningful "
+ "with -r of -f, not -%c\n",
+ dv->devname, dv->disposition);
+ return 1;
+ }
+ for (; j < array.raid_disks + array.nr_disks; j++) {
+ int sfd;
+ disc.number = j;
+ if (ioctl(fd, GET_DISK_INFO, &disc))
+ continue;
+ if (disc.major == 0 && disc.minor == 0)
+ continue;
+ sprintf(dvname,"%d:%d", disc.major, disc.minor);
+ sfd = dev_open(dvname, O_RDONLY);
+ if (sfd >= 0) {
+ close(sfd);
+ continue;
+ }
+ if (dv->disposition == 'f' &&
+ (disc.state & 1) == 1) /* already faulty */
+ continue;
+ if (errno != ENXIO)
+ continue;
+ stb.st_rdev = makedev(disc.major, disc.minor);
+ next = dv;
+ jnext = j+1;
+ dnprintable = dvname;
+ break;
+ }
+ if (jnext == 0)
+ continue;
+ } else {
+ j = 0;
+
+ if (stat(dv->devname, &stb)) {
+ fprintf(stderr, Name ": cannot find %s: %s\n",
+ dv->devname, strerror(errno));
+ return 1;
+ }
+ if ((stb.st_mode & S_IFMT) != S_IFBLK) {
+ fprintf(stderr, Name ": %s is not a "
+ "block device.\n",
+ dv->devname);
+ return 1;
+ }
}
switch(dv->disposition){
default:
else if (osuper) {
st->ss->uuid_from_super(ouuid, osuper);
if (memcmp(duuid, ouuid, sizeof(ouuid))==0) {
- /* look close enough for now. Kernel
- * will worry about where a bitmap
- * based reconstruct is possible
+ /* looks close enough for now. Kernel
+ * will worry about whether a bitmap
+ * based reconstruction is possible.
*/
struct mdinfo mdi;
st->ss->getinfo_super(&mdi, osuper);
disc.number = mdi.disk.number;
disc.raid_disk = mdi.disk.raid_disk;
disc.state = mdi.disk.state;
+ if (dv->writemostly)
+ disc.state |= 1 << MD_DISK_WRITEMOSTLY;
if (ioctl(fd, ADD_NEW_DISK, &disc) == 0) {
if (verbose >= 0)
fprintf(stderr, Name ": re-added %s\n", dv->devname);
/* hot remove */
/* FIXME check that it is a current member */
if (ioctl(fd, HOT_REMOVE_DISK, (unsigned long)stb.st_rdev)) {
- fprintf(stderr, Name ": hot remove failed for %s: %s\n",
- dv->devname, strerror(errno));
+ fprintf(stderr, Name ": hot remove failed "
+ "for %s: %s\n", dnprintable,
+ strerror(errno));
return 1;
}
if (verbose >= 0)
- fprintf(stderr, Name ": hot removed %s\n", dv->devname);
+ fprintf(stderr, Name ": hot removed %s\n",
+ dnprintable);
break;
case 'f': /* set faulty */
/* FIXME check current member */
if (ioctl(fd, SET_DISK_FAULTY, (unsigned long) stb.st_rdev)) {
fprintf(stderr, Name ": set device faulty failed for %s: %s\n",
- dv->devname, strerror(errno));
+ dnprintable, strerror(errno));
return 1;
}
if (verbose >= 0)
fprintf(stderr, Name ": set %s faulty in %s\n",
- dv->devname, devname);
+ dnprintable, devname);
break;
}
}
return 0;
}
+
+int autodetect(void)
+{
+ /* Open any md device, and issue the RAID_AUTORUN ioctl */
+ int rv = 1;
+ int fd = dev_open("9:0", O_RDONLY);
+ if (fd >= 0) {
+ if (ioctl(fd, RAID_AUTORUN, 0) == 0)
+ rv = 0;
+ close(fd);
+ }
+ return rv;
+}
#endif
projects / thirdparty / mdadm.git / blobdiff