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path: root/drivers/md/persistent-data/dm-space-map-common.c
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Diffstat (limited to 'drivers/md/persistent-data/dm-space-map-common.c')
-rw-r--r--drivers/md/persistent-data/dm-space-map-common.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c
index ff3beed6ad2d..d77602d63c83 100644
--- a/drivers/md/persistent-data/dm-space-map-common.c
+++ b/drivers/md/persistent-data/dm-space-map-common.c
@@ -224,6 +224,7 @@ static int sm_ll_init(struct ll_disk *ll, struct dm_transaction_manager *tm)
ll->nr_blocks = 0;
ll->bitmap_root = 0;
ll->ref_count_root = 0;
+ ll->bitmap_index_changed = false;
return 0;
}
@@ -476,7 +477,15 @@ int sm_ll_dec(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev)
int sm_ll_commit(struct ll_disk *ll)
{
- return ll->commit(ll);
+ int r = 0;
+
+ if (ll->bitmap_index_changed) {
+ r = ll->commit(ll);
+ if (!r)
+ ll->bitmap_index_changed = false;
+ }
+
+ return r;
}
/*----------------------------------------------------------------*/
@@ -491,6 +500,7 @@ static int metadata_ll_load_ie(struct ll_disk *ll, dm_block_t index,
static int metadata_ll_save_ie(struct ll_disk *ll, dm_block_t index,
struct disk_index_entry *ie)
{
+ ll->bitmap_index_changed = true;
memcpy(ll->mi_le.index + index, ie, sizeof(*ie));
return 0;
}