182 	struct rw_semaphore root_lock;  member
852 	init_rwsem(&pmd->root_lock);  in dm_pool_metadata_open()
883 	down_read(&pmd->root_lock);  in dm_pool_metadata_close()
892 	up_read(&pmd->root_lock);  in dm_pool_metadata_close()
1035 	down_write(&pmd->root_lock);  in dm_pool_create_thin()
1038 	up_write(&pmd->root_lock);  in dm_pool_create_thin()
1126 	down_write(&pmd->root_lock);  in dm_pool_create_snap()
1129 	up_write(&pmd->root_lock);  in dm_pool_create_snap()
1169 	down_write(&pmd->root_lock);  in dm_pool_delete_thin_device()
1172 	up_write(&pmd->root_lock);  in dm_pool_delete_thin_device()
1183 	down_write(&pmd->root_lock);  in dm_pool_set_metadata_transaction_id()
1197 	up_write(&pmd->root_lock);  in dm_pool_set_metadata_transaction_id()
1207 	down_read(&pmd->root_lock);  in dm_pool_get_metadata_transaction_id()
1212 	up_read(&pmd->root_lock);  in dm_pool_get_metadata_transaction_id()
1286 	down_write(&pmd->root_lock);  in dm_pool_reserve_metadata_snap()
1289 	up_write(&pmd->root_lock);  in dm_pool_reserve_metadata_snap()
1334 	down_write(&pmd->root_lock);  in dm_pool_release_metadata_snap()
1337 	up_write(&pmd->root_lock);  in dm_pool_release_metadata_snap()
1367 	down_read(&pmd->root_lock);  in dm_pool_get_metadata_snap()
1370 	up_read(&pmd->root_lock);  in dm_pool_get_metadata_snap()
1380 	down_write(&pmd->root_lock);  in dm_pool_open_thin_device()
1383 	up_write(&pmd->root_lock);  in dm_pool_open_thin_device()
1390 	down_write(&td->pmd->root_lock);  in dm_pool_close_thin_device()
1392 	up_write(&td->pmd->root_lock);  in dm_pool_close_thin_device()
1453 	down_read(&pmd->root_lock);  in dm_thin_find_block()
1455 		up_read(&pmd->root_lock);  in dm_thin_find_block()
1461 	up_read(&pmd->root_lock);  in dm_thin_find_block()
1535 	down_read(&pmd->root_lock);  in dm_thin_find_mapped_range()
1540 	up_read(&pmd->root_lock);  in dm_thin_find_mapped_range()
1573 	down_write(&td->pmd->root_lock);  in dm_thin_insert_block()
1576 	up_write(&td->pmd->root_lock);  in dm_thin_insert_block()
1660 	down_write(&td->pmd->root_lock);  in dm_thin_remove_block()
1663 	up_write(&td->pmd->root_lock);  in dm_thin_remove_block()
1673 	down_write(&td->pmd->root_lock);  in dm_thin_remove_range()
1676 	up_write(&td->pmd->root_lock);  in dm_thin_remove_range()
1686 	down_read(&pmd->root_lock);  in dm_pool_block_is_used()
1690 	up_read(&pmd->root_lock);  in dm_pool_block_is_used()
1699 	down_write(&pmd->root_lock);  in dm_pool_inc_data_range()
1705 	up_write(&pmd->root_lock);  in dm_pool_inc_data_range()
1714 	down_write(&pmd->root_lock);  in dm_pool_dec_data_range()
1720 	up_write(&pmd->root_lock);  in dm_pool_dec_data_range()
1729 	down_read(&td->pmd->root_lock);  in dm_thin_changed_this_transaction()
1731 	up_read(&td->pmd->root_lock);  in dm_thin_changed_this_transaction()
1741 	down_read(&pmd->root_lock);  in dm_pool_changed_this_transaction()
1748 	up_read(&pmd->root_lock);  in dm_pool_changed_this_transaction()
1757 	down_read(&td->pmd->root_lock);  in dm_thin_aborted_changes()
1759 	up_read(&td->pmd->root_lock);  in dm_thin_aborted_changes()
1768 	down_write(&pmd->root_lock);  in dm_pool_alloc_data_block()
1771 	up_write(&pmd->root_lock);  in dm_pool_alloc_data_block()
1780 	down_write(&pmd->root_lock);  in dm_pool_commit_metadata()
1793 	up_write(&pmd->root_lock);  in dm_pool_commit_metadata()
1809 	down_write(&pmd->root_lock);  in dm_pool_abort_metadata()
1820 	up_write(&pmd->root_lock);  in dm_pool_abort_metadata()
1829 	down_read(&pmd->root_lock);  in dm_pool_get_free_block_count()
1832 	up_read(&pmd->root_lock);  in dm_pool_get_free_block_count()
1842 	down_read(&pmd->root_lock);  in dm_pool_get_free_metadata_block_count()
1852 	up_read(&pmd->root_lock);  in dm_pool_get_free_metadata_block_count()
1862 	down_read(&pmd->root_lock);  in dm_pool_get_metadata_dev_size()
1865 	up_read(&pmd->root_lock);  in dm_pool_get_metadata_dev_size()
1874 	down_read(&pmd->root_lock);  in dm_pool_get_data_dev_size()
1877 	up_read(&pmd->root_lock);  in dm_pool_get_data_dev_size()
1887 	down_read(&pmd->root_lock);  in dm_thin_get_mapped_count()
1892 	up_read(&pmd->root_lock);  in dm_thin_get_mapped_count()
1919 	down_read(&pmd->root_lock);  in dm_thin_get_highest_mapped_block()
1922 	up_read(&pmd->root_lock);  in dm_thin_get_highest_mapped_block()
1951 	down_write(&pmd->root_lock);  in dm_pool_resize_data_dev()
1954 	up_write(&pmd->root_lock);  in dm_pool_resize_data_dev()
1963 	down_write(&pmd->root_lock);  in dm_pool_resize_metadata_dev()
1969 	up_write(&pmd->root_lock);  in dm_pool_resize_metadata_dev()
1976 	down_write(&pmd->root_lock);  in dm_pool_metadata_read_only()
1978 	up_write(&pmd->root_lock);  in dm_pool_metadata_read_only()
1983 	down_write(&pmd->root_lock);  in dm_pool_metadata_read_write()
1985 	up_write(&pmd->root_lock);  in dm_pool_metadata_read_write()
1995 	down_write(&pmd->root_lock);  in dm_pool_register_metadata_threshold()
1997 	up_write(&pmd->root_lock);  in dm_pool_register_metadata_threshold()
2008 	down_write(&pmd->root_lock);  in dm_pool_metadata_set_needs_check()
2022 	up_write(&pmd->root_lock);  in dm_pool_metadata_set_needs_check()
2030 	down_read(&pmd->root_lock);  in dm_pool_metadata_needs_check()
2032 	up_read(&pmd->root_lock);  in dm_pool_metadata_needs_check()
2039 	down_read(&pmd->root_lock);  in dm_pool_issue_prefetches()
2042 	up_read(&pmd->root_lock);  in dm_pool_issue_prefetches()