4 fs/ext4/ext4_extents.h | 9 +++++++++
5 fs/ext4/ext4_jbd2.c | 2 ++
6 fs/ext4/extents.c | 23 ++++++++++++++++-------
7 fs/ext4/ialloc.c | 3 ++-
9 fs/ext4/mballoc.c | 4 ++++
10 fs/ext4/super.c | 9 +++++++++
11 9 files changed, 46 insertions(+), 8 deletions(-)
13 --- a/fs/ext4/balloc.c
14 +++ b/fs/ext4/balloc.c
15 @@ -231,6 +231,7 @@ struct ext4_group_desc * ext4_get_group_
16 *bh = sbi->s_group_desc[group_desc];
19 +EXPORT_SYMBOL(ext4_get_group_desc);
21 static int ext4_valid_block_bitmap(struct super_block *sb,
22 struct ext4_group_desc *desc,
25 @@ -1783,6 +1783,8 @@ extern struct inode * ext4_orphan_get(st
26 extern unsigned long ext4_count_free_inodes(struct super_block *);
27 extern unsigned long ext4_count_dirs(struct super_block *);
28 extern void ext4_check_inodes_bitmap(struct super_block *);
29 +extern struct buffer_head *ext4_read_inode_bitmap(struct super_block *sb,
30 + ext4_group_t block_group);
31 extern void ext4_mark_bitmap_end(int start_bit, int end_bit, char *bitmap);
32 extern int ext4_init_inode_table(struct super_block *sb,
33 ext4_group_t group, int barrier);
34 --- a/fs/ext4/ext4_extents.h
35 +++ b/fs/ext4/ext4_extents.h
36 @@ -290,5 +290,14 @@ extern struct ext4_ext_path *ext4_ext_fi
37 struct ext4_ext_path *);
38 extern void ext4_ext_drop_refs(struct ext4_ext_path *);
39 extern int ext4_ext_check_inode(struct inode *inode);
40 +extern int ext4_ext_search_right(struct inode *inode,
41 + struct ext4_ext_path *path,
42 + ext4_lblk_t *logical, ext4_fsblk_t *phys);
43 +extern int ext4_ext_search_left(struct inode *inode,
44 + struct ext4_ext_path *path,
45 + ext4_lblk_t *logical, ext4_fsblk_t *phys);
46 +extern int ext4_ext_walk_space(struct inode *inode, ext4_lblk_t block,
47 + ext4_lblk_t num, ext_prepare_callback func,
49 #endif /* _EXT4_EXTENTS */
51 --- a/fs/ext4/ext4_jbd2.c
52 +++ b/fs/ext4/ext4_jbd2.c
53 @@ -19,6 +19,7 @@ int __ext4_journal_get_write_access(cons
57 +EXPORT_SYMBOL(__ext4_journal_get_write_access);
60 * The ext4 forget function must perform a revoke if we are freeing data
61 @@ -150,3 +151,4 @@ int __ext4_handle_dirty_super(const char
65 +EXPORT_SYMBOL(__ext4_handle_dirty_metadata);
66 --- a/fs/ext4/extents.c
67 +++ b/fs/ext4/extents.c
68 @@ -1236,9 +1236,9 @@ out:
70 * return value contains 0 (success) or error code
72 -static int ext4_ext_search_left(struct inode *inode,
73 - struct ext4_ext_path *path,
74 - ext4_lblk_t *logical, ext4_fsblk_t *phys)
75 +int ext4_ext_search_left(struct inode *inode,
76 + struct ext4_ext_path *path,
77 + ext4_lblk_t *logical, ext4_fsblk_t *phys)
79 struct ext4_extent_idx *ix;
80 struct ext4_extent *ex;
81 @@ -1301,9 +1301,9 @@ static int ext4_ext_search_left(struct i
83 * return value contains 0 (success) or error code
85 -static int ext4_ext_search_right(struct inode *inode,
86 - struct ext4_ext_path *path,
87 - ext4_lblk_t *logical, ext4_fsblk_t *phys)
88 +int ext4_ext_search_right(struct inode *inode,
89 + struct ext4_ext_path *path,
90 + ext4_lblk_t *logical, ext4_fsblk_t *phys)
92 struct buffer_head *bh = NULL;
93 struct ext4_extent_header *eh;
94 @@ -1878,7 +1878,7 @@ cleanup:
98 -static int ext4_ext_walk_space(struct inode *inode, ext4_lblk_t block,
99 +extern int ext4_ext_walk_space(struct inode *inode, ext4_lblk_t block,
100 ext4_lblk_t num, ext_prepare_callback func,
103 @@ -4397,3 +4397,12 @@ int ext4_fiemap(struct inode *inode, str
108 +EXPORT_SYMBOL(ext4_ext_search_right);
109 +EXPORT_SYMBOL(ext4_ext_search_left);
110 +EXPORT_SYMBOL(ext4_ext_insert_extent);
111 +EXPORT_SYMBOL(ext4_mb_new_blocks);
112 +EXPORT_SYMBOL(ext4_mark_inode_dirty);
113 +EXPORT_SYMBOL(ext4_ext_walk_space);
114 +EXPORT_SYMBOL(ext4_ext_find_extent);
115 +EXPORT_SYMBOL(ext4_ext_drop_refs);
116 --- a/fs/ext4/ialloc.c
117 +++ b/fs/ext4/ialloc.c
118 @@ -98,7 +98,7 @@ static unsigned ext4_init_inode_bitmap(s
120 * Return buffer_head of bitmap on success or NULL.
122 -static struct buffer_head *
123 +struct buffer_head *
124 ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
126 struct ext4_group_desc *desc;
127 @@ -163,6 +163,7 @@ ext4_read_inode_bitmap(struct super_bloc
131 +EXPORT_SYMBOL(ext4_read_inode_bitmap);
134 * NOTE! When we get the inode, we're the only people
135 --- a/fs/ext4/inode.c
136 +++ b/fs/ext4/inode.c
137 @@ -5096,6 +5096,7 @@ bad_inode:
141 +EXPORT_SYMBOL(ext4_iget);
143 static int ext4_inode_blocks_set(handle_t *handle,
144 struct ext4_inode *raw_inode,
145 --- a/fs/ext4/mballoc.c
146 +++ b/fs/ext4/mballoc.c
147 @@ -3852,6 +3852,7 @@ repeat:
148 call_rcu(&(pa)->u.pa_rcu, ext4_mb_pa_callback);
151 +EXPORT_SYMBOL(ext4_discard_preallocations);
153 #ifdef CONFIG_EXT4_DEBUG
154 static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
155 @@ -4972,3 +4973,6 @@ int ext4_trim_fs(struct super_block *sb,
160 +EXPORT_SYMBOL(ext4_free_blocks);
162 --- a/fs/ext4/super.c
163 +++ b/fs/ext4/super.c
164 @@ -194,6 +194,7 @@ __u32 ext4_itable_unused_count(struct su
165 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ?
166 (__u32)le16_to_cpu(bg->bg_itable_unused_hi) << 16 : 0);
168 +EXPORT_SYMBOL(ext4_itable_unused_count);
170 void ext4_block_bitmap_set(struct super_block *sb,
171 struct ext4_group_desc *bg, ext4_fsblk_t blk)
172 @@ -378,6 +379,7 @@ void ext4_journal_abort_handle(const cha
174 jbd2_journal_abort_handle(handle);
176 +EXPORT_SYMBOL(ext4_journal_abort_handle);
178 static void __save_error_info(struct super_block *sb, const char *func,
180 @@ -4272,6 +4274,7 @@ int ext4_force_commit(struct super_block
184 +EXPORT_SYMBOL(ext4_force_commit);
186 static void ext4_write_super(struct super_block *sb)
188 @@ -5208,6 +5211,12 @@ static void __exit ext4_exit_fs(void)
192 +EXPORT_SYMBOL(ext4_xattr_get);
193 +EXPORT_SYMBOL(ext4_xattr_set_handle);
194 +EXPORT_SYMBOL(ext4_bread);
195 +EXPORT_SYMBOL(ext4_journal_start_sb);
196 +EXPORT_SYMBOL(__ext4_journal_stop);
198 MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others");
199 MODULE_DESCRIPTION("Fourth Extended Filesystem");
200 MODULE_LICENSE("GPL");