494  * I/O parent/child relationships and pipeline interlocks
697     const zbookmark_phys_t *zb, enum zio_stage stage, enum zio_stage pipeline)  in zio_create()  argument
742 			pipeline |= ZIO_GANG_STAGES;  in zio_create()
758 	zio->io_orig_pipeline = zio->io_pipeline = pipeline;  in zio_create()
1236 	enum zio_stage pipeline = ZIO_VDEV_CHILD_PIPELINE;  in zio_vdev_child_io()  local
1256 		pipeline |= ZIO_STAGE_CHECKSUM_VERIFY;  in zio_vdev_child_io()
1295 	    ZIO_STAGE_VDEV_IO_START >> 1, pipeline);  in zio_vdev_child_io()
1477 	 * wait for them and then repeat this pipeline stage.  in zio_write_compress()
1670  * Execute the I/O pipeline
1801  * Execute the I/O pipeline until one of the following occurs:
1804  *	(2) the pipeline stalls waiting for dependent child I/Os
1810  * In all cases, the pipeline stops whenever there's no CPU work; it never
1826 		enum zio_stage pipeline = zio->io_pipeline;  in zio_execute()  local
1836 		} while ((stage & pipeline) == 0);  in zio_execute()
1841 		 * If we are in interrupt context and this pipeline stage  in zio_execute()
1859 		 * The I/O pipeline is a part of the machinery responsible for  in zio_execute()
2173 		 * As we rewrite each gang header, the pipeline will compute  in zio_rewrite_gang()
2176 		 * exception is the gang leader: the pipeline already computed  in zio_rewrite_gang()
2571 	 * Set pio's pipeline to just wait for zio to finish.  in zio_write_gang_block()
2581  * The zio_nop_write stage in the pipeline determines if allocating a
2615 	 * If they don't then just continue with the pipeline which will  in zio_nop_write()
2629 	 * If the checksums match then reset the pipeline so that we  in zio_nop_write()
3411  * Issue an I/O to the underlying vdev. Typically the issue pipeline
3414  * continue the pipeline when an I/O was not issued. Since the I/O
3416  * currently active in the pipeline (see vdev_queue_io()), we explicitly
3418  * zio_interrupt() to ensure that the pipeline continues with the correct I/O.
4160 	 * Call into the pipeline to see if there is more work that  in zio_dva_throttle_done()
4180 	 * wait for them and then repeat this pipeline stage.  in zio_done()
4403 		 * the pipeline but severs its ties whenever they get into  in zio_done()
4497  * I/O pipeline definition