struct mdinfo *sysfs_read(int fd, int devnum, unsigned long options)
{
- /* Longest possible name in sysfs, mounted at /sys, is
- * /sys/block/md_dXXX/md/dev-XXXXX/block/dev
- * /sys/block/md_dXXX/md/metadata_version
- * which is about 41 characters. 50 should do for now
- */
- char fname[50];
- char buf[1024];
+ char fname[PATH_MAX];
+ char buf[PATH_MAX];
char *base;
char *dbase;
struct mdinfo *sra;
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 */
return rv;
}
-int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd, int in_sync)
+int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd, int resume)
{
- char dv[100];
- char nm[100];
+ char dv[PATH_MAX];
+ char nm[PATH_MAX];
char *dname;
int rv;
strcpy(sd->sys_name, "dev-");
strcpy(sd->sys_name+4, dname);
+ /* test write to see if 'recovery_start' is available */
+ if (resume && sd->recovery_start < MaxSector &&
+ sysfs_set_num(sra, sd, "recovery_start", 0)) {
+ sysfs_set_str(sra, sd, "state", "remove");
+ return -1;
+ }
+
rv = sysfs_set_num(sra, sd, "offset", sd->data_offset);
rv |= sysfs_set_num(sra, sd, "size", (sd->component_size+1) / 2);
if (sra->array.level != LEVEL_CONTAINER) {
- if (in_sync)
+ if (sd->recovery_start == MaxSector)
/* This can correctly fail if array isn't started,
* yet, so just ignore status for now.
*/
- sysfs_set_str(sra, sd, "state", "in_sync");
+ sysfs_set_str(sra, sd, "state", "insync");
rv |= sysfs_set_num(sra, sd, "slot", sd->disk.raid_disk);
+ if (resume)
+ sysfs_set_num(sra, sd, "recovery_start", sd->recovery_start);
}
return rv;
}
tm.tv_sec = 5;
tm.tv_usec = 0;
- /* give mdmon a chance to checkpoint resync */
- sysfs_set_str(mdi, NULL, "sync_action", "idle");
-
FD_ZERO(&fds);
/* wait for array_state to be clean */