imsm: Apply checkpoint metadata update for general migration

mdmon has to update checkpoint information in metadata during
general migration according to received metadata update.

Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/super-intel.c b/super-intel.c
index fbfb27e7a0e76a33fff33febb3023debfa298ce6..f277d9d98094ecf647b10d55464fd7a6050318db 100644 (file)
--- a/super-intel.c
+++ b/super-intel.c
@@ -6914,6 +6914,24 @@ static void imsm_process_update(struct supertype *st,
        mpb = super->anchor;
 
        switch (type) {
+       case update_general_migration_checkpoint: {
+               struct intel_dev *id;
+               struct imsm_update_general_migration_checkpoint *u =
+                                                       (void *)update->buf;
+
+               dprintf("imsm: process_update() "
+                       "for update_general_migration_checkpoint called\n");
+
+               /* find device under general migration */
+               for (id = super->devlist ; id; id = id->next) {
+                       if (is_gen_migration(id->dev)) {
+                               id->dev->vol.curr_migr_unit =
+                                       __cpu_to_le32(u->curr_migr_unit);
+                               super->updates_pending++;
+                       }
+               }
+               break;
+       }
        case update_takeover: {
                struct imsm_update_takeover *u = (void *)update->buf;
                if (apply_takeover_update(u, super, &update->space_list)) {
@@ -7251,6 +7269,10 @@ static void imsm_prepare_update(struct supertype *st,
        size_t len = 0;
 
        switch (type) {
+       case update_general_migration_checkpoint:
+               dprintf("imsm: prepare_update() "
+                       "for update_general_migration_checkpoint called\n");
+               break;
        case update_takeover: {
                struct imsm_update_takeover *u = (void *)update->buf;
                if (u->direction == R0_TO_R10) {