179 	struct rw_semaphore root_lock;  member
836 	init_rwsem(&pmd->root_lock);  in dm_pool_metadata_open()
866 	down_read(&pmd->root_lock);  in dm_pool_metadata_close()
875 	up_read(&pmd->root_lock);  in dm_pool_metadata_close()
1018 	down_write(&pmd->root_lock);  in dm_pool_create_thin()
1021 	up_write(&pmd->root_lock);  in dm_pool_create_thin()
1109 	down_write(&pmd->root_lock);  in dm_pool_create_snap()
1112 	up_write(&pmd->root_lock);  in dm_pool_create_snap()
1152 	down_write(&pmd->root_lock);  in dm_pool_delete_thin_device()
1155 	up_write(&pmd->root_lock);  in dm_pool_delete_thin_device()
1166 	down_write(&pmd->root_lock);  in dm_pool_set_metadata_transaction_id()
1180 	up_write(&pmd->root_lock);  in dm_pool_set_metadata_transaction_id()
1190 	down_read(&pmd->root_lock);  in dm_pool_get_metadata_transaction_id()
1195 	up_read(&pmd->root_lock);  in dm_pool_get_metadata_transaction_id()
1263 	down_write(&pmd->root_lock);  in dm_pool_reserve_metadata_snap()
1266 	up_write(&pmd->root_lock);  in dm_pool_reserve_metadata_snap()
1309 	down_write(&pmd->root_lock);  in dm_pool_release_metadata_snap()
1312 	up_write(&pmd->root_lock);  in dm_pool_release_metadata_snap()
1340 	down_read(&pmd->root_lock);  in dm_pool_get_metadata_snap()
1343 	up_read(&pmd->root_lock);  in dm_pool_get_metadata_snap()
1353 	down_write(&pmd->root_lock);  in dm_pool_open_thin_device()
1356 	up_write(&pmd->root_lock);  in dm_pool_open_thin_device()
1363 	down_write(&td->pmd->root_lock);  in dm_pool_close_thin_device()
1365 	up_write(&td->pmd->root_lock);  in dm_pool_close_thin_device()
1398 	down_read(&pmd->root_lock);  in dm_thin_find_block()
1418 	up_read(&pmd->root_lock);  in dm_thin_find_block()
1450 	down_write(&td->pmd->root_lock);  in dm_thin_insert_block()
1453 	up_write(&td->pmd->root_lock);  in dm_thin_insert_block()
1478 	down_write(&td->pmd->root_lock);  in dm_thin_remove_block()
1481 	up_write(&td->pmd->root_lock);  in dm_thin_remove_block()
1491 	down_read(&pmd->root_lock);  in dm_pool_block_is_used()
1495 	up_read(&pmd->root_lock);  in dm_pool_block_is_used()
1504 	down_read(&td->pmd->root_lock);  in dm_thin_changed_this_transaction()
1506 	up_read(&td->pmd->root_lock);  in dm_thin_changed_this_transaction()
1516 	down_read(&pmd->root_lock);  in dm_pool_changed_this_transaction()
1523 	up_read(&pmd->root_lock);  in dm_pool_changed_this_transaction()
1532 	down_read(&td->pmd->root_lock);  in dm_thin_aborted_changes()
1534 	up_read(&td->pmd->root_lock);  in dm_thin_aborted_changes()
1543 	down_write(&pmd->root_lock);  in dm_pool_alloc_data_block()
1546 	up_write(&pmd->root_lock);  in dm_pool_alloc_data_block()
1555 	down_write(&pmd->root_lock);  in dm_pool_commit_metadata()
1568 	up_write(&pmd->root_lock);  in dm_pool_commit_metadata()
1584 	down_write(&pmd->root_lock);  in dm_pool_abort_metadata()
1595 	up_write(&pmd->root_lock);  in dm_pool_abort_metadata()
1604 	down_read(&pmd->root_lock);  in dm_pool_get_free_block_count()
1607 	up_read(&pmd->root_lock);  in dm_pool_get_free_block_count()
1617 	down_read(&pmd->root_lock);  in dm_pool_get_free_metadata_block_count()
1620 	up_read(&pmd->root_lock);  in dm_pool_get_free_metadata_block_count()
1630 	down_read(&pmd->root_lock);  in dm_pool_get_metadata_dev_size()
1633 	up_read(&pmd->root_lock);  in dm_pool_get_metadata_dev_size()
1642 	down_read(&pmd->root_lock);  in dm_pool_get_data_dev_size()
1645 	up_read(&pmd->root_lock);  in dm_pool_get_data_dev_size()
1655 	down_read(&pmd->root_lock);  in dm_thin_get_mapped_count()
1660 	up_read(&pmd->root_lock);  in dm_thin_get_mapped_count()
1687 	down_read(&pmd->root_lock);  in dm_thin_get_highest_mapped_block()
1690 	up_read(&pmd->root_lock);  in dm_thin_get_highest_mapped_block()
1719 	down_write(&pmd->root_lock);  in dm_pool_resize_data_dev()
1722 	up_write(&pmd->root_lock);  in dm_pool_resize_data_dev()
1731 	down_write(&pmd->root_lock);  in dm_pool_resize_metadata_dev()
1734 	up_write(&pmd->root_lock);  in dm_pool_resize_metadata_dev()
1741 	down_write(&pmd->root_lock);  in dm_pool_metadata_read_only()
1744 	up_write(&pmd->root_lock);  in dm_pool_metadata_read_only()
1749 	down_write(&pmd->root_lock);  in dm_pool_metadata_read_write()
1752 	up_write(&pmd->root_lock);  in dm_pool_metadata_read_write()
1762 	down_write(&pmd->root_lock);  in dm_pool_register_metadata_threshold()
1764 	up_write(&pmd->root_lock);  in dm_pool_register_metadata_threshold()
1775 	down_write(&pmd->root_lock);  in dm_pool_metadata_set_needs_check()
1789 	up_write(&pmd->root_lock);  in dm_pool_metadata_set_needs_check()
1797 	down_read(&pmd->root_lock);  in dm_pool_metadata_needs_check()
1799 	up_read(&pmd->root_lock);  in dm_pool_metadata_needs_check()
1806 	down_read(&pmd->root_lock);  in dm_pool_issue_prefetches()
1809 	up_read(&pmd->root_lock);  in dm_pool_issue_prefetches()