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FIX: Last_checkpoint has to be initialized in per disk units 

last_checkpoint is variable that tracks sync_complete sysfs entry.
sync_complete is per disk counter, so initializing during starting from checkpoint
has to have this in mind and convert reshape position properly.

Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Adam Kwolek 2011-03-14 18:17:52 +11:00 committed by NeilBrown
parent 138477db4b
commit 0d51bfa20e
1 changed files with 9 additions and 0 deletions
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9
managemon.c
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@ -667,6 +667,15 @@ static void manage_new(struct mdstat_ent *mdstat,
if (sysfs_get_ll(mdi, NULL, "reshape_position",
&new->last_checkpoint) != 0)
new->last_checkpoint = 0;
else {
int data_disks = mdi->array.raid_disks;
if (mdi->array.level == 4 || mdi->array.level == 5)
data_disks--;
if (mdi->array.level == 6)
data_disks -= 2;
new->last_checkpoint /= data_disks;
}
dprintf("mdmon: New monitored array is under reshape.\n"
" Last checkpoint is: %llu\n",
new->last_checkpoint);