reshape prodess cannot be restarted due to no checkpoint information
in mdinfo.
When metadata is read during reshape process or reshape restart,
rehape_progress (mdinfo field) has to be initialized to value
stored in metadata. This allows start reshape from stored
in metadata checkpoint.
Signed-off-by: Adam Kwolek <adam.kwolek@xxxxxxxxx>
---
super-intel.c | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/super-intel.c b/super-intel.c
index e8d2c6b..1b3407a 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -1784,6 +1784,7 @@ static void getinfo_super_imsm_volume(struct supertype *st, struct mdinfo *info,
else
info->delta_disks = 0;
+ info->reshape_progress = 0;
if (map_to_analyse->map_state == IMSM_T_STATE_UNINITIALIZED ||
dev->vol.dirty) {
info->resync_start = 0;
@@ -1797,6 +1798,15 @@ static void getinfo_super_imsm_volume(struct supertype *st, struct mdinfo *info,
info->resync_start = blocks_per_unit * units;
break;
}
+ case MIGR_GEN_MIGR: {
+ __u64 blocks_per_unit = blocks_per_migr_unit(dev);
+ __u64 units = __le32_to_cpu(dev->vol.curr_migr_unit);
+
+ info->reshape_progress = blocks_per_unit * units;
+ dprintf("IMSM: General Migration checkpoint : %llu "
+ "(%llu) -> read reshape progress : %llu\n",
+ units, blocks_per_unit, info->reshape_progress);
+ }
case MIGR_VERIFY:
/* we could emulate the checkpointing of
* 'sync_action=check' migrations, but for now
@@ -1804,7 +1814,6 @@ static void getinfo_super_imsm_volume(struct supertype *st, struct mdinfo *info,
*/
case MIGR_REBUILD:
/* this is handled by container_content_imsm() */
- case MIGR_GEN_MIGR:
case MIGR_STATE_CHANGE:
/* FIXME handle other migrations */
default:
--
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