fs/minix/namei.c

10 static int add_nondir(struct dentry *dentry, struct inode *inode)
12 	int err = minix_add_link(dentry, inode);
14 		d_instantiate(dentry, inode);
17 	inode_dec_link_count(inode);
18 	iput(inode);
22 static struct dentry *minix_lookup(struct inode * dir, struct dentry *dentry, unsigned int flags)
24 	struct inode * inode = NULL;
32 		inode = minix_iget(dir->i_sb, ino);
33 	return d_splice_alias(inode, dentry);
36 static int minix_mknod(struct mnt_idmap *idmap, struct inode *dir,
39 	struct inode *inode;
44 	inode = minix_new_inode(dir, mode);
45 	if (IS_ERR(inode))
46 		return PTR_ERR(inode);
48 	minix_set_inode(inode, rdev);
49 	mark_inode_dirty(inode);
50 	return add_nondir(dentry, inode);
53 static int minix_tmpfile(struct mnt_idmap *idmap, struct inode *dir,
56 	struct inode *inode = minix_new_inode(dir, mode);
58 	if (IS_ERR(inode))
59 		return finish_open_simple(file, PTR_ERR(inode));
60 	minix_set_inode(inode, 0);
61 	mark_inode_dirty(inode);
62 	d_tmpfile(file, inode);
66 static int minix_create(struct mnt_idmap *idmap, struct inode *dir,
72 static int minix_symlink(struct mnt_idmap *idmap, struct inode *dir,
76 	struct inode * inode;
82 	inode = minix_new_inode(dir, S_IFLNK | 0777);
83 	if (IS_ERR(inode))
84 		return PTR_ERR(inode);
86 	minix_set_inode(inode, 0);
87 	err = page_symlink(inode, symname, i);
89 		inode_dec_link_count(inode);
90 		iput(inode);
93 	return add_nondir(dentry, inode);
96 static int minix_link(struct dentry * old_dentry, struct inode * dir,
99 	struct inode *inode = d_inode(old_dentry);
101 	inode_set_ctime_current(inode);
102 	inode_inc_link_count(inode);
103 	ihold(inode);
104 	return add_nondir(dentry, inode);
107 static int minix_mkdir(struct mnt_idmap *idmap, struct inode *dir,
110 	struct inode * inode;
113 	inode = minix_new_inode(dir, S_IFDIR | mode);
114 	if (IS_ERR(inode))
115 		return PTR_ERR(inode);
118 	minix_set_inode(inode, 0);
119 	inode_inc_link_count(inode);
121 	err = minix_make_empty(inode, dir);
125 	err = minix_add_link(dentry, inode);
129 	d_instantiate(dentry, inode);
134 	inode_dec_link_count(inode);
135 	inode_dec_link_count(inode);
136 	iput(inode);
141 static int minix_unlink(struct inode * dir, struct dentry *dentry)
143 	struct inode * inode = d_inode(dentry);
156 	inode_set_ctime_to_ts(inode, inode_get_ctime(dir));
157 	inode_dec_link_count(inode);
161 static int minix_rmdir(struct inode * dir, struct dentry *dentry)
163 	struct inode * inode = d_inode(dentry);
166 	if (minix_empty_dir(inode)) {
170 			inode_dec_link_count(inode);
177 			struct inode *old_dir, struct dentry *old_dentry,
178 			struct inode *new_dir, struct dentry *new_dentry,
181 	struct inode * old_inode = d_inode(old_dentry);
182 	struct inode * new_inode = d_inode(new_dentry);