diff options
| -rw-r--r-- | drivers/md/dm-raid.c | 48 |
1 files changed, 37 insertions, 11 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 86df8b2cf92..7503a20d04a 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -1017,30 +1017,56 @@ static int raid_status(struct dm_target *ti, status_type_t type, struct raid_set *rs = ti->private; unsigned raid_param_cnt = 1; /* at least 1 for chunksize */ unsigned sz = 0; - int i; + int i, array_in_sync = 0; sector_t sync; switch (type) { case STATUSTYPE_INFO: DMEMIT("%s %d ", rs->raid_type->name, rs->md.raid_disks); - for (i = 0; i < rs->md.raid_disks; i++) { - if (test_bit(Faulty, &rs->dev[i].rdev.flags)) - DMEMIT("D"); - else if (test_bit(In_sync, &rs->dev[i].rdev.flags)) - DMEMIT("A"); - else - DMEMIT("a"); - } - if (test_bit(MD_RECOVERY_RUNNING, &rs->md.recovery)) sync = rs->md.curr_resync_completed; else sync = rs->md.recovery_cp; - if (sync > rs->md.resync_max_sectors) + if (sync >= rs->md.resync_max_sectors) { + array_in_sync = 1; sync = rs->md.resync_max_sectors; + } else { + /* + * The array may be doing an initial sync, or it may + * be rebuilding individual components. If all the + * devices are In_sync, then it is the array that is + * being initialized. + */ + for (i = 0; i < rs->md.raid_disks; i++) + if (!test_bit(In_sync, &rs->dev[i].rdev.flags)) + array_in_sync = 1; + } + /* + * Status characters: + * 'D' = Dead/Failed device + * 'a' = Alive but not in-sync + * 'A' = Alive and in-sync + */ + for (i = 0; i < rs->md.raid_disks; i++) { + if (test_bit(Faulty, &rs->dev[i].rdev.flags)) + DMEMIT("D"); + else if (!array_in_sync || + !test_bit(In_sync, &rs->dev[i].rdev.flags)) + DMEMIT("a"); + else + DMEMIT("A"); + } + /* + * In-sync ratio: + * The in-sync ratio shows the progress of: + * - Initializing the array + * - Rebuilding a subset of devices of the array + * The user can distinguish between the two by referring + * to the status characters. + */ DMEMIT(" %llu/%llu", (unsigned long long) sync, (unsigned long long) rs->md.resync_max_sectors); |