While last_checkpoint is counter in per disk units, checkpoints
should be stored in the same manner.
Restoring from checkpoint should should recalculate checkpoint in to
array position (reshape_progress).
Signed-off-by: Adam Kwolek <adam.kwolek@xxxxxxxxx>
---
super-intel.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/super-intel.c b/super-intel.c
index 5b4a38d..f18f16c 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -1702,8 +1702,6 @@ static __u64 blocks_per_migr_unit(struct imsm_dev *dev)
migr_chunk = migr_strip_blocks_resync(dev);
disks = imsm_num_data_members(dev, 0);
blocks_per_unit = stripes_per_unit * migr_chunk * disks;
- if (migr_type(dev) == MIGR_GEN_MIGR)
- return blocks_per_unit;
stripe = __le32_to_cpu(map->blocks_per_strip) * disks;
segment = blocks_per_unit / stripe;
block_rel = blocks_per_unit - segment * stripe;
@@ -1854,6 +1852,12 @@ static void getinfo_super_imsm_volume(struct supertype *st, struct mdinfo *info,
int used_disks;
info->reshape_progress = blocks_per_unit * units;
+
+ /* checkpoint is written per disks unit
+ * recalculate it to reshape position
+ */
+ used_disks = imsm_num_data_members(dev, 0);
+ info->reshape_progress *= used_disks;
dprintf("IMSM: General Migration checkpoint : %llu "
"(%llu) -> read reshape progress : %llu\n",
units, blocks_per_unit, info->reshape_progress);
--
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