diff options
Diffstat (limited to 'module/zfs/include/sys/zio.h')
| -rw-r--r-- | module/zfs/include/sys/zio.h | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/module/zfs/include/sys/zio.h b/module/zfs/include/sys/zio.h index 21b0fbc6b..67adc3b4c 100644 --- a/module/zfs/include/sys/zio.h +++ b/module/zfs/include/sys/zio.h @@ -20,7 +20,7 @@ */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -265,6 +265,13 @@ typedef int zio_pipe_stage_t(zio_t *zio); #define ZIO_REEXECUTE_NOW 0x01 #define ZIO_REEXECUTE_SUSPEND 0x02 +typedef struct zio_link { + zio_t *zl_parent; + zio_t *zl_child; + list_node_t zl_parent_node; + list_node_t zl_child_node; +} zio_link_t; + struct zio { /* Core information about this I/O */ zbookmark_t io_bookmark; @@ -275,14 +282,14 @@ struct zio { uint8_t io_priority; uint8_t io_reexecute; uint8_t io_async_root; + uint8_t io_state[ZIO_WAIT_TYPES]; uint64_t io_txg; spa_t *io_spa; blkptr_t *io_bp; blkptr_t io_bp_copy; - zio_t *io_parent; - zio_t *io_child; - zio_t *io_sibling_prev; - zio_t *io_sibling_next; + list_t io_parent_list; + list_t io_child_list; + zio_link_t *io_walk_link; zio_t *io_logical; zio_transform_t *io_transform_stack; @@ -305,8 +312,6 @@ struct zio { avl_node_t io_offset_node; avl_node_t io_deadline_node; avl_tree_t *io_vdev_tree; - zio_t *io_delegate_list; - zio_t *io_delegate_next; /* Internal pipeline state */ int io_flags; @@ -329,7 +334,7 @@ struct zio { uint64_t io_ena; }; -extern zio_t *zio_null(zio_t *pio, spa_t *spa, +extern zio_t *zio_null(zio_t *pio, spa_t *spa, vdev_t *vd, zio_done_func_t *done, void *private, int flags); extern zio_t *zio_root(spa_t *spa, @@ -379,6 +384,11 @@ extern void zio_nowait(zio_t *zio); extern void zio_execute(zio_t *zio); extern void zio_interrupt(zio_t *zio); +extern zio_t *zio_walk_parents(zio_t *cio); +extern zio_t *zio_walk_children(zio_t *pio); +extern zio_t *zio_unique_parent(zio_t *cio); +extern void zio_add_child(zio_t *pio, zio_t *cio); + extern void *zio_buf_alloc(size_t size); extern void zio_buf_free(void *buf, size_t size); extern void *zio_data_buf_alloc(size_t size); |