diff options
| -rw-r--r-- | drivers/md/persistent-data/dm-space-map-common.c | 12 | ||||
| -rw-r--r-- | drivers/md/persistent-data/dm-space-map-common.h | 1 |
2 files changed, 12 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; } diff --git a/drivers/md/persistent-data/dm-space-map-common.h b/drivers/md/persistent-data/dm-space-map-common.h index 8f220821a9a9..b3078d5eda0c 100644 --- a/drivers/md/persistent-data/dm-space-map-common.h +++ b/drivers/md/persistent-data/dm-space-map-common.h @@ -78,6 +78,7 @@ struct ll_disk { open_index_fn open_index; max_index_entries_fn max_entries; commit_fn commit; + bool bitmap_index_changed:1; }; struct disk_sm_root { |
