52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
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/*
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* Copyright (C) 2007 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __PENDING_EXTENT__
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#define __PENDING_EXTENT__
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#include "kerncompat.h"
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#include "rbtree.h"
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struct pending_tree {
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struct rb_root root;
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};
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struct pending_extent {
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struct rb_node rb_node;
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u64 start;
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u64 size;
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};
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void pending_tree_init(struct pending_tree *tree);
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void remove_pending_extent(struct pending_tree *tree,
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struct pending_extent *pe);
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struct pending_extent *find_first_pending_extent(struct pending_tree *tree,
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u64 start);
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struct pending_extent *next_pending_extent(struct pending_extent *pe);
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struct pending_extent *find_pending_extent(struct pending_tree *tree,
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u64 start, u64 size);
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int insert_pending_extent(struct pending_tree *tree, u64 start, u64 size);
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static inline void free_pending_extent(struct pending_extent *pe)
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{
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free(pe);
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}
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struct pending_extent *alloc_pending_extent(u64 start, u64 size);
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#endif
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