}
if (devnum == NoMdDev)
return;
- if (devnum >= 0)
- sprintf(mdi->sys_name, "md%d", devnum);
- else
- sprintf(mdi->sys_name, "md_d%d",
- -1-devnum);
+ fmt_devname(mdi->sys_name, devnum);
}
if (options & GET_SAFEMODE) {
int scale = 1;
int dot = 0;
- int i;
+ unsigned i;
unsigned long msec;
size_t len;
strcpy(dbase, "block/dev");
if (load_sys(fname, buf)) {
+ /* assume this is a stale reference to a hot
+ * removed device
+ */
free(dev);
- if (options & SKIP_GONE_DEVS)
- continue;
- else
- goto abort;
+ continue;
}
sscanf(buf, "%d:%d", &dev->disk.major, &dev->disk.minor);
/* special case check for block devices that can go 'offline' */
- if (options & SKIP_GONE_DEVS) {
- strcpy(dbase, "block/device/state");
- if (load_sys(fname, buf) == 0 &&
- strncmp(buf, "offline", 7) == 0) {
- free(dev);
- continue;
- }
+ strcpy(dbase, "block/device/state");
+ if (load_sys(fname, buf) == 0 &&
+ strncmp(buf, "offline", 7) == 0) {
+ free(dev);
+ continue;
}
/* finally add this disk to the array */
char fname[50];
int n;
if (fstat(fd, &stb)) return 0;
- if (major(stb.st_rdev) != get_mdp_major())
+ if (major(stb.st_rdev) != (unsigned)get_mdp_major())
sprintf(fname, "/sys/block/md%d/md/component_size",
(int)minor(stb.st_rdev));
else
char *name, char *val)
{
char fname[50];
- int n;
+ unsigned int n;
int fd;
sprintf(fname, "/sys/block/%s/md/%s/%s",
return 0;
}
+int sysfs_attribute_available(struct mdinfo *sra, struct mdinfo *dev, char *name)
+{
+ char fname[50];
+ struct stat st;
+
+ sprintf(fname, "/sys/block/%s/md/%s/%s",
+ sra->sys_name, dev?dev->sys_name:"", name);
+
+ return stat(fname, &st) == 0;
+}
+
int sysfs_get_fd(struct mdinfo *sra, struct mdinfo *dev,
char *name)
{
* yet, so just ignore status for now.
*/
sysfs_set_str(sra, sd, "state", "insync");
- rv |= sysfs_set_num(sra, sd, "slot", sd->disk.raid_disk);
+ if (sd->disk.raid_disk >= 0)
+ rv |= sysfs_set_num(sra, sd, "slot", sd->disk.raid_disk);
if (resume)
sysfs_set_num(sra, sd, "recovery_start", sd->recovery_start);
}
return found;
}
+int sysfs_freeze_array(struct mdinfo *sra)
+{
+ /* Try to freeze resync/rebuild on this array/container.
+ * Return -1 if the array is busy,
+ * return -2 container cannot be frozen,
+ * return 0 if this kernel doesn't support 'frozen'
+ * return 1 if it worked.
+ */
+ char buf[20];
+
+ if (!sysfs_attribute_available(sra, NULL, "sync_action"))
+ return 1; /* no sync_action == frozen */
+ if (sysfs_get_str(sra, NULL, "sync_action", buf, 20) <= 0)
+ return 0;
+ if (strcmp(buf, "idle\n") != 0 &&
+ strcmp(buf, "frozen\n") != 0)
+ return -1;
+ if (sysfs_set_str(sra, NULL, "sync_action", "frozen") < 0)
+ return 0;
+ return 1;
+}
+
#ifndef MDASSEMBLE
static char *clean_states[] = {