38 	struct xfs_extent_busy_tree *eb = xg->xg_busy_extents;  in xfs_extent_busy_insert_list()  local
55 	spin_lock(&eb->eb_lock);  in xfs_extent_busy_insert_list()
56 	rbp = &eb->eb_tree.rb_node;  in xfs_extent_busy_insert_list()
73 	rb_insert_color(&new->rb_node, &eb->eb_tree);  in xfs_extent_busy_insert_list()
77 	spin_unlock(&eb->eb_lock);  in xfs_extent_busy_insert_list()
106  * extent, -1 for an overlapping but not exact busy extent, and 1 for an exact
117 	struct xfs_extent_busy_tree *eb = xg->xg_busy_extents;  in xfs_extent_busy_search()  local
123 	spin_lock(&eb->eb_lock);  in xfs_extent_busy_search()
124 	rbp = eb->eb_tree.rb_node;  in xfs_extent_busy_search()
130 				match = -1;  in xfs_extent_busy_search()
135 				match = -1;  in xfs_extent_busy_search()
139 			match = (busyp->length == len) ? 1 : -1;  in xfs_extent_busy_search()
143 	spin_unlock(&eb->eb_lock);  in xfs_extent_busy_search()
165 		__releases(&eb->eb_lock)  in xfs_extent_busy_update_extent()
166 		__acquires(&eb->eb_lock)  in xfs_extent_busy_update_extent()
168 	struct xfs_extent_busy_tree *eb = xg->xg_busy_extents;  in xfs_extent_busy_update_extent()  local
179 		spin_unlock(&eb->eb_lock);  in xfs_extent_busy_update_extent()
180 		delay(1);  in xfs_extent_busy_update_extent()
181 		spin_lock(&eb->eb_lock);  in xfs_extent_busy_update_extent()
198 		 * Case 1:  in xfs_extent_busy_update_extent()
254 		rb_erase(&busyp->rb_node, &eb->eb_tree);  in xfs_extent_busy_update_extent()
297 	spin_unlock(&eb->eb_lock);  in xfs_extent_busy_update_extent()
300 	spin_lock(&eb->eb_lock);  in xfs_extent_busy_update_extent()
314 	struct xfs_extent_busy_tree *eb = xg->xg_busy_extents;  in xfs_extent_busy_reuse()  local
318 	spin_lock(&eb->eb_lock);  in xfs_extent_busy_reuse()
320 	rbp = eb->eb_tree.rb_node;  in xfs_extent_busy_reuse()
339 	spin_unlock(&eb->eb_lock);  in xfs_extent_busy_reuse()
363 	struct xfs_extent_busy_tree *eb = xg->xg_busy_extents;  in xfs_extent_busy_trim()  local
371 	spin_lock(&eb->eb_lock);  in xfs_extent_busy_trim()
374 	rbp = eb->eb_tree.rb_node;  in xfs_extent_busy_trim()
394 			 * Case 1:  in xfs_extent_busy_trim()
518 		*busy_gen = eb->eb_gen;  in xfs_extent_busy_trim()
521 	spin_unlock(&eb->eb_lock);  in xfs_extent_busy_trim()
537 	struct xfs_extent_busy_tree *eb = busyp->group->xg_busy_extents;  in xfs_extent_busy_clear_one()  local
547 		rb_erase(&busyp->rb_node, &eb->eb_tree);  in xfs_extent_busy_clear_one()
574 		struct xfs_extent_busy_tree *eb = xg->xg_busy_extents;  in xfs_extent_busy_clear()  local
577 		spin_lock(&eb->eb_lock);  in xfs_extent_busy_clear()
587 			eb->eb_gen++;  in xfs_extent_busy_clear()
588 			wake_up_all(&eb->eb_wait);  in xfs_extent_busy_clear()
590 		spin_unlock(&eb->eb_lock);  in xfs_extent_busy_clear()
616 	struct xfs_extent_busy_tree *eb = xg->xg_busy_extents;  in xfs_extent_busy_flush()  local
629 		if (busy_gen != READ_ONCE(eb->eb_gen))  in xfs_extent_busy_flush()
638 		prepare_to_wait(&eb->eb_wait, &wait, TASK_KILLABLE);  in xfs_extent_busy_flush()
639 		if  (busy_gen != READ_ONCE(eb->eb_gen))  in xfs_extent_busy_flush()
642 	} while (1);  in xfs_extent_busy_flush()
644 	finish_wait(&eb->eb_wait, &wait);  in xfs_extent_busy_flush()
653 	struct xfs_extent_busy_tree *eb = xg->xg_busy_extents;  in xfs_extent_busy_wait_group()  local
656 		prepare_to_wait(&eb->eb_wait, &wait, TASK_KILLABLE);  in xfs_extent_busy_wait_group()
657 		if  (RB_EMPTY_ROOT(&eb->eb_tree))  in xfs_extent_busy_wait_group()
660 	} while (1);  in xfs_extent_busy_wait_group()
661 	finish_wait(&eb->eb_wait, &wait);  in xfs_extent_busy_wait_group()
706 	struct xfs_extent_busy_tree *eb = xg->xg_busy_extents;  in xfs_extent_busy_list_empty()  local
709 	spin_lock(&eb->eb_lock);  in xfs_extent_busy_list_empty()
710 	res = RB_EMPTY_ROOT(&eb->eb_tree);  in xfs_extent_busy_list_empty()
711 	*busy_gen = READ_ONCE(eb->eb_gen);  in xfs_extent_busy_list_empty()
712 	spin_unlock(&eb->eb_lock);  in xfs_extent_busy_list_empty()
719 	struct xfs_extent_busy_tree *eb;  in xfs_extent_busy_alloc()  local
721 	eb = kzalloc(sizeof(*eb), GFP_KERNEL);  in xfs_extent_busy_alloc()
722 	if (!eb)  in xfs_extent_busy_alloc()
724 	spin_lock_init(&eb->eb_lock);  in xfs_extent_busy_alloc()
725 	init_waitqueue_head(&eb->eb_wait);  in xfs_extent_busy_alloc()
726 	eb->eb_tree = RB_ROOT;  in xfs_extent_busy_alloc()
727 	return eb;  in xfs_extent_busy_alloc()