return new_found;
}
-unsigned long long min_spare_size_required(struct state *st)
+static int get_min_spare_size_required(struct state *st, unsigned long long *sizep)
{
int fd;
- unsigned long long rv = 0;
if (!st->metadata ||
- !st->metadata->ss->min_acceptable_spare_size)
- return rv;
+ !st->metadata->ss->min_acceptable_spare_size) {
+ *sizep = 0;
+ return 0;
+ }
fd = open(st->devname, O_RDONLY);
if (fd < 0)
- return 0;
- st->metadata->ss->load_super(st->metadata, fd, st->devname);
+ return 1;
+ if (st->metadata->ss->external)
+ st->metadata->ss->load_container(st->metadata, fd, st->devname);
+ else
+ st->metadata->ss->load_super(st->metadata, fd, st->devname);
close(fd);
- rv = st->metadata->ss->min_acceptable_spare_size(st->metadata);
+ if (!st->metadata->sb)
+ return 1;
+ *sizep = st->metadata->ss->min_acceptable_spare_size(st->metadata);
st->metadata->ss->free_super(st->metadata);
- return rv;
-}
-
-static int move_spare(struct state *from, struct state *to,
- dev_t devid,
- struct alert_info *info)
-{
- struct mddev_dev devlist;
- char devname[20];
-
- /* try to remove and add */
- int fd1 = open(to->devname, O_RDONLY);
- int fd2 = open(from->devname, O_RDONLY);
-
- if (fd1 < 0 || fd2 < 0) {
- if (fd1>=0) close(fd1);
- if (fd2>=0) close(fd2);
- return 0;
- }
-
- devlist.next = NULL;
- devlist.used = 0;
- devlist.re_add = 0;
- devlist.writemostly = 0;
- devlist.devname = devname;
- sprintf(devname, "%d:%d", major(devid), minor(devid));
-
- devlist.disposition = 'r';
- if (Manage_subdevs(from->devname, fd2, &devlist, -1, 0, NULL) == 0) {
- devlist.disposition = 'a';
- if (Manage_subdevs(to->devname, fd1, &devlist, -1, 0, NULL) == 0) {
- alert("MoveSpare", to->devname, from->devname, info);
- /* make sure we will see newly added spare before next
- * time through loop
- */
- ping_manager(to->devname);
- ping_manager(from->devname);
- close(fd1);
- close(fd2);
- return 1;
- }
- else Manage_subdevs(from->devname, fd2, &devlist, -1, 0, NULL);
- }
- close(fd1);
- close(fd2);
return 0;
}
struct dev_policy *pol;
unsigned long long dev_size;
+ if (to->metadata->ss->external &&
+ test_partition_from_id(from->devid[d]))
+ continue;
+
if (min_size &&
dev_size_from_id(from->devid[d], &dev_size) &&
dev_size < min_size)
if (from->spare_group)
pol_add(&pol, pol_domain,
from->spare_group, NULL);
- if (domain_test(domlist, pol, to->metadata->ss->name))
+ if (domain_test(domlist, pol, to->metadata->ss->name) == 1)
dev = from->devid[d];
dev_policy_free(pol);
}
static dev_t container_choose_spare(struct state *from, struct state *to,
struct domainlist *domlist,
- unsigned long long min_size)
+ unsigned long long min_size, int active)
{
/* This is similar to choose_spare, but we cannot trust devstate,
* so we need to read the metadata instead
if (err)
return 0;
+ if (from == to) {
+ /* We must check if number of active disks has not increased
+ * since ioctl in main loop. mdmon may have added spare
+ * to subarray. If so we do not need to look for more spares
+ * so return non zero value */
+ int active_cnt = 0;
+ struct mdinfo *dp;
+ list = st->ss->getinfo_super_disks(st);
+ if (!list) {
+ st->ss->free_super(st);
+ return 1;
+ }
+ dp = list->devs;
+ while (dp) {
+ if (dp->disk.state & (1<<MD_DISK_SYNC) &&
+ !(dp->disk.state & (1<<MD_DISK_FAULTY)))
+ active_cnt++;
+ dp = dp->next;
+ }
+ sysfs_free(list);
+ if (active < active_cnt) {
+ /* Spare just activated.*/
+ st->ss->free_super(st);
+ return 1;
+ }
+ }
+
/* We only need one spare so full list not needed */
list = container_choose_spares(st, min_size, domlist, from->spare_group,
to->metadata->ss->name, 1);
struct state *to = st;
unsigned long long min_size;
+ if (to->parent_dev != NoMdDev && !to->parent)
+ /* subarray monitored without parent container
+ * we can't move spares here */
+ continue;
+
if (to->parent)
/* member of a container */
to = to->parent;
- min_size = min_spare_size_required(to);
+ if (get_min_spare_size_required(to, &min_size))
+ continue;
if (to->metadata->ss->external) {
/* We must make sure there is
* no suitable spare in container already.
* If there is we don't add more */
dev_t devid = container_choose_spare(
- to, to, NULL, min_size);
+ to, to, NULL, min_size, st->active);
if (devid > 0)
continue;
}
continue;
if (from->metadata->ss->external)
devid = container_choose_spare(
- from, to, domlist, min_size);
+ from, to, domlist, min_size, 0);
else
devid = choose_spare(from, to, domlist,
min_size);
if (devid > 0
- && move_spare(from, to, devid, info))
- break;
+ && move_spare(from->devname, to->devname, devid)) {
+ alert("MoveSpare", to->devname, from->devname, info);
+ break;
+ }
}
domain_free(domlist);
}