When migrating an array from R0 to R10 num_data_stripes in metadata map
will not be updated. Update it to allow correct migration process.
Changes in R10 to R0 migration for clarity of code.
Signed-off-by: Roman Sobanski <roman.sobanski@xxxxxxxxx>
---
super-intel.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/super-intel.c b/super-intel.c
index 520abf5d..cd606368 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -9532,12 +9532,6 @@ static int apply_takeover_update(struct imsm_update_takeover *u,
if (u->direction == R10_TO_R0) {
unsigned long long num_data_stripes;
- map->num_domains = 1;
- num_data_stripes = imsm_dev_size(dev) / 2;
- num_data_stripes /= map->blocks_per_strip;
- num_data_stripes /= map->num_domains;
- set_num_data_stripes(map, num_data_stripes);
-
/* Number of failed disks must be half of initial disk number */
if (imsm_count_failed(super, dev, MAP_0) !=
(map->num_members / 2))
@@ -9563,10 +9557,15 @@ static int apply_takeover_update(struct imsm_update_takeover *u,
map->num_domains = 1;
map->raid_level = 0;
map->failed_disk_num = -1;
+ num_data_stripes = imsm_dev_size(dev) / 2;
+ num_data_stripes /= map->blocks_per_strip;
+ set_num_data_stripes(map, num_data_stripes);
}
if (u->direction == R0_TO_R10) {
void **space;
+ unsigned long long num_data_stripes;
+
/* update slots in current disk list */
for (dm = super->disks; dm; dm = dm->next) {
if (dm->index >= 0)
@@ -9604,6 +9603,11 @@ static int apply_takeover_update(struct imsm_update_takeover *u,
map->map_state = IMSM_T_STATE_DEGRADED;
map->num_domains = 2;
map->raid_level = 1;
+ num_data_stripes = imsm_dev_size(dev) / 2;
+ num_data_stripes /= map->blocks_per_strip;
+ num_data_stripes /= map->num_domains;
+ set_num_data_stripes(map, num_data_stripes);
+
/* replace dev<->dev_new */
dv->dev = dev_new;
}
--
2.13.6
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