179 	struct rw_semaphore root_lock;  member
839 	init_rwsem(&pmd->root_lock);  in dm_pool_metadata_open()
868 	down_read(&pmd->root_lock);  in dm_pool_metadata_close()
877 	up_read(&pmd->root_lock);  in dm_pool_metadata_close()
1020 	down_write(&pmd->root_lock);  in dm_pool_create_thin()
1023 	up_write(&pmd->root_lock);  in dm_pool_create_thin()
1111 	down_write(&pmd->root_lock);  in dm_pool_create_snap()
1114 	up_write(&pmd->root_lock);  in dm_pool_create_snap()
1154 	down_write(&pmd->root_lock);  in dm_pool_delete_thin_device()
1157 	up_write(&pmd->root_lock);  in dm_pool_delete_thin_device()
1168 	down_write(&pmd->root_lock);  in dm_pool_set_metadata_transaction_id()
1182 	up_write(&pmd->root_lock);  in dm_pool_set_metadata_transaction_id()
1192 	down_read(&pmd->root_lock);  in dm_pool_get_metadata_transaction_id()
1197 	up_read(&pmd->root_lock);  in dm_pool_get_metadata_transaction_id()
1271 	down_write(&pmd->root_lock);  in dm_pool_reserve_metadata_snap()
1274 	up_write(&pmd->root_lock);  in dm_pool_reserve_metadata_snap()
1319 	down_write(&pmd->root_lock);  in dm_pool_release_metadata_snap()
1322 	up_write(&pmd->root_lock);  in dm_pool_release_metadata_snap()
1352 	down_read(&pmd->root_lock);  in dm_pool_get_metadata_snap()
1355 	up_read(&pmd->root_lock);  in dm_pool_get_metadata_snap()
1365 	down_write(&pmd->root_lock);  in dm_pool_open_thin_device()
1368 	up_write(&pmd->root_lock);  in dm_pool_open_thin_device()
1375 	down_write(&td->pmd->root_lock);  in dm_pool_close_thin_device()
1377 	up_write(&td->pmd->root_lock);  in dm_pool_close_thin_device()
1407 	down_read(&pmd->root_lock);  in dm_thin_find_block()
1409 		up_read(&pmd->root_lock);  in dm_thin_find_block()
1431 	up_read(&pmd->root_lock);  in dm_thin_find_block()
1520 	down_write(&td->pmd->root_lock);  in dm_thin_insert_block()
1523 	up_write(&td->pmd->root_lock);  in dm_thin_insert_block()
1607 	down_write(&td->pmd->root_lock);  in dm_thin_remove_block()
1610 	up_write(&td->pmd->root_lock);  in dm_thin_remove_block()
1620 	down_write(&td->pmd->root_lock);  in dm_thin_remove_range()
1623 	up_write(&td->pmd->root_lock);  in dm_thin_remove_range()
1633 	down_read(&pmd->root_lock);  in dm_pool_block_is_used()
1637 	up_read(&pmd->root_lock);  in dm_pool_block_is_used()
1646 	down_read(&td->pmd->root_lock);  in dm_thin_changed_this_transaction()
1648 	up_read(&td->pmd->root_lock);  in dm_thin_changed_this_transaction()
1658 	down_read(&pmd->root_lock);  in dm_pool_changed_this_transaction()
1665 	up_read(&pmd->root_lock);  in dm_pool_changed_this_transaction()
1674 	down_read(&td->pmd->root_lock);  in dm_thin_aborted_changes()
1676 	up_read(&td->pmd->root_lock);  in dm_thin_aborted_changes()
1685 	down_write(&pmd->root_lock);  in dm_pool_alloc_data_block()
1688 	up_write(&pmd->root_lock);  in dm_pool_alloc_data_block()
1697 	down_write(&pmd->root_lock);  in dm_pool_commit_metadata()
1710 	up_write(&pmd->root_lock);  in dm_pool_commit_metadata()
1726 	down_write(&pmd->root_lock);  in dm_pool_abort_metadata()
1737 	up_write(&pmd->root_lock);  in dm_pool_abort_metadata()
1746 	down_read(&pmd->root_lock);  in dm_pool_get_free_block_count()
1749 	up_read(&pmd->root_lock);  in dm_pool_get_free_block_count()
1759 	down_read(&pmd->root_lock);  in dm_pool_get_free_metadata_block_count()
1762 	up_read(&pmd->root_lock);  in dm_pool_get_free_metadata_block_count()
1772 	down_read(&pmd->root_lock);  in dm_pool_get_metadata_dev_size()
1775 	up_read(&pmd->root_lock);  in dm_pool_get_metadata_dev_size()
1784 	down_read(&pmd->root_lock);  in dm_pool_get_data_dev_size()
1787 	up_read(&pmd->root_lock);  in dm_pool_get_data_dev_size()
1797 	down_read(&pmd->root_lock);  in dm_thin_get_mapped_count()
1802 	up_read(&pmd->root_lock);  in dm_thin_get_mapped_count()
1829 	down_read(&pmd->root_lock);  in dm_thin_get_highest_mapped_block()
1832 	up_read(&pmd->root_lock);  in dm_thin_get_highest_mapped_block()
1861 	down_write(&pmd->root_lock);  in dm_pool_resize_data_dev()
1864 	up_write(&pmd->root_lock);  in dm_pool_resize_data_dev()
1873 	down_write(&pmd->root_lock);  in dm_pool_resize_metadata_dev()
1876 	up_write(&pmd->root_lock);  in dm_pool_resize_metadata_dev()
1883 	down_write(&pmd->root_lock);  in dm_pool_metadata_read_only()
1885 	up_write(&pmd->root_lock);  in dm_pool_metadata_read_only()
1890 	down_write(&pmd->root_lock);  in dm_pool_metadata_read_write()
1892 	up_write(&pmd->root_lock);  in dm_pool_metadata_read_write()
1902 	down_write(&pmd->root_lock);  in dm_pool_register_metadata_threshold()
1904 	up_write(&pmd->root_lock);  in dm_pool_register_metadata_threshold()
1915 	down_write(&pmd->root_lock);  in dm_pool_metadata_set_needs_check()
1929 	up_write(&pmd->root_lock);  in dm_pool_metadata_set_needs_check()
1937 	down_read(&pmd->root_lock);  in dm_pool_metadata_needs_check()
1939 	up_read(&pmd->root_lock);  in dm_pool_metadata_needs_check()
1946 	down_read(&pmd->root_lock);  in dm_pool_issue_prefetches()
1949 	up_read(&pmd->root_lock);  in dm_pool_issue_prefetches()