alloc.h (d9a0a1f83bf083b55b3c1f16efddecc31abace61) alloc.h (3d03a305ded8057155bd3c801e64ffef9f534827)
1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * alloc.h
5 *
6 * Function prototypes
7 *
8 * Copyright (C) 2002, 2004 Oracle. All rights reserved.

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81 struct inode *inode,
82 struct buffer_head *bh);
83
84/*
85 * Read an extent block into *bh. If *bh is NULL, a bh will be
86 * allocated. This is a cached read. The extent block will be validated
87 * with ocfs2_validate_extent_block().
88 */
1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * alloc.h
5 *
6 * Function prototypes
7 *
8 * Copyright (C) 2002, 2004 Oracle. All rights reserved.

--- 72 unchanged lines hidden (view full) ---

81 struct inode *inode,
82 struct buffer_head *bh);
83
84/*
85 * Read an extent block into *bh. If *bh is NULL, a bh will be
86 * allocated. This is a cached read. The extent block will be validated
87 * with ocfs2_validate_extent_block().
88 */
89int ocfs2_read_extent_block(struct inode *inode, u64 eb_blkno,
89int ocfs2_read_extent_block(struct ocfs2_caching_info *ci, u64 eb_blkno,
90 struct buffer_head **bh);
91
92struct ocfs2_alloc_context;
93int ocfs2_insert_extent(struct ocfs2_super *osb,
94 handle_t *handle,
95 struct inode *inode,
96 struct ocfs2_extent_tree *et,
97 u32 cpos,

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127 struct ocfs2_alloc_context *meta_ac,
128 struct ocfs2_cached_dealloc_ctxt *dealloc);
129int ocfs2_remove_btree_range(struct inode *inode,
130 struct ocfs2_extent_tree *et,
131 u32 cpos, u32 phys_cpos, u32 len,
132 struct ocfs2_cached_dealloc_ctxt *dealloc);
133
134int ocfs2_num_free_extents(struct ocfs2_super *osb,
90 struct buffer_head **bh);
91
92struct ocfs2_alloc_context;
93int ocfs2_insert_extent(struct ocfs2_super *osb,
94 handle_t *handle,
95 struct inode *inode,
96 struct ocfs2_extent_tree *et,
97 u32 cpos,

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127 struct ocfs2_alloc_context *meta_ac,
128 struct ocfs2_cached_dealloc_ctxt *dealloc);
129int ocfs2_remove_btree_range(struct inode *inode,
130 struct ocfs2_extent_tree *et,
131 u32 cpos, u32 phys_cpos, u32 len,
132 struct ocfs2_cached_dealloc_ctxt *dealloc);
133
134int ocfs2_num_free_extents(struct ocfs2_super *osb,
135 struct inode *inode,
136 struct ocfs2_extent_tree *et);
137
138/*
139 * how many new metadata chunks would an allocation need at maximum?
140 *
141 * Please note that the caller must make sure that root_el is the root
142 * of extent tree. So for an inode, it should be &fe->id2.i_list. Otherwise
143 * the result may be wrong.

--- 116 unchanged lines hidden --- 		135 struct ocfs2_extent_tree *et);
136
137/*
138 * how many new metadata chunks would an allocation need at maximum?
139 *
140 * Please note that the caller must make sure that root_el is the root
141 * of extent tree. So for an inode, it should be &fe->id2.i_list. Otherwise
142 * the result may be wrong.

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