1 Index: linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/ext4.h
2 ===================================================================
3 --- linux-3.10.0-123.13.2.el7.x86_64.orig/fs/ext4/ext4.h
4 +++ linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/ext4.h
5 @@ -2145,6 +2145,11 @@ extern int ext4_orphan_add(handle_t *, s
6 struct ext4_dir_entry *dirent);
7 extern int ext4_orphan_add(handle_t *, struct inode *);
8 extern int ext4_orphan_del(handle_t *, struct inode *);
9 +extern struct inode *ext4_create_inode(handle_t *handle,
10 + struct inode *dir, int mode);
11 +extern int ext4_delete_entry(handle_t *handle, struct inode * dir,
12 + struct ext4_dir_entry_2 *de_del,
13 + struct buffer_head *bh);
14 extern int ext4_htree_fill_tree(struct file *dir_file, __u32 start_hash,
15 __u32 start_minor_hash, __u32 *next_hash);
16 extern int search_dir(struct buffer_head *bh,
17 Index: linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/namei.c
18 ===================================================================
19 --- linux-3.10.0-123.13.2.el7.x86_64.orig/fs/ext4/namei.c
20 +++ linux-3.10.0-123.13.2.el7.x86_64/fs/ext4/namei.c
21 @@ -2165,7 +2167,7 @@ int ext4_generic_delete_entry(handle_t *
25 -static int ext4_delete_entry(handle_t *handle,
26 +int ext4_delete_entry(handle_t *handle,
28 struct ext4_dir_entry_2 *de_del,
29 struct buffer_head *bh)
30 @@ -2206,7 +2208,7 @@ out:
31 ext4_std_error(dir->i_sb, err);
35 +EXPORT_SYMBOL(ext4_delete_entry);
37 * DIR_NLINK feature is set if 1) nlinks > EXT4_LINK_MAX or 2) nlinks == 2,
38 * since this indicates that nlinks count was previously 1.
39 @@ -2253,6 +2255,28 @@ static int ext4_add_nondir(handle_t *han
43 + /* Return locked inode, then the caller can modify the inode's states/flags
44 + * before others finding it. The caller should unlock the inode by itself. */
45 +struct inode *ext4_create_inode(handle_t *handle, struct inode *dir, int mode)
47 + struct inode *inode;
49 + inode = ext4_new_inode(handle, dir, mode, NULL, 0, NULL);
50 + if (!IS_ERR(inode)) {
51 + if (S_ISCHR(mode) || S_ISBLK(mode) || S_ISFIFO(mode)) {
52 +#ifdef CONFIG_LDISKFS_FS_XATTR
53 + inode->i_op = &ext4_special_inode_operations;
56 + inode->i_op = &ext4_file_inode_operations;
57 + inode->i_fop = &ext4_file_operations;
58 + ext4_set_aops(inode);
63 +EXPORT_SYMBOL(ext4_create_inode);
66 * By the time this is called, we already have created
67 * the directory cache entry for the new file, but it