fs/zfs/spa.c

747 	spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
749 	spa_config_exit(spa, SCL_STATE, FTAG);
769 	spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
773 	spa_config_exit(spa, SCL_STATE, FTAG);
6502 	spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
6589 	spa_config_exit(spa, SCL_STATE, FTAG);
6872 	spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
6881 		spa_config_exit(spa, SCL_CONFIG | SCL_STATE, FTAG);
6882 		spa_config_enter(spa, SCL_CONFIG | SCL_STATE, FTAG, RW_WRITER);
6887 		spa_config_exit(spa, SCL_CONFIG | SCL_STATE, FTAG);
6888 		spa_config_enter(spa, SCL_CONFIG | SCL_STATE, FTAG, RW_READER);
6890 	spa_config_exit(spa, SCL_STATE, FTAG);
7057 		 * We hold SCL_STATE to prevent vdev open/close/etc.
7060 		spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
7085 		spa_config_exit(spa, SCL_STATE, FTAG);