fs/coda/cnode.c

26 static void coda_fill_inode(struct inode *inode, struct coda_vattr *attr)
28         coda_vattr_to_iattr(inode, attr);
30         if (S_ISREG(inode->i_mode)) {
31                 inode->i_op = &coda_file_inode_operations;
32                 inode->i_fop = &coda_file_operations;
33         } else if (S_ISDIR(inode->i_mode)) {
34                 inode->i_op = &coda_dir_inode_operations;
35                 inode->i_fop = &coda_dir_operations;
36         } else if (S_ISLNK(inode->i_mode)) {
37 		inode->i_op = &coda_symlink_inode_operations;
38 		inode_nohighmem(inode);
39 		inode->i_data.a_ops = &coda_symlink_aops;
40 		inode->i_mapping = &inode->i_data;
42                 init_special_inode(inode, inode->i_mode, huge_decode_dev(attr->va_rdev));
45 static int coda_test_inode(struct inode *inode, void *data)
48 	struct coda_inode_info *cii = ITOC(inode);
52 static int coda_set_inode(struct inode *inode, void *data)
55 	struct coda_inode_info *cii = ITOC(inode);
60 struct inode * coda_iget(struct super_block * sb, struct CodaFid * fid,
63 	struct inode *inode;
69 	inode = iget5_locked(sb, hash, coda_test_inode, coda_set_inode, fid);
70 	if (!inode)
73 	if (inode->i_state & I_NEW) {
74 		cii = ITOC(inode);
76 		inode->i_ino = hash;
77 		/* inode is locked and unique, no need to grab cii->c_lock */
79 		coda_fill_inode(inode, attr);
80 		unlock_new_inode(inode);
81 	} else if ((inode->i_mode & S_IFMT) != inode_type) {
83 		remove_inode_hash(inode);
84 		coda_flag_inode(inode, C_PURGE);
85 		iput(inode);
88 	return inode;
93    - get the inode for the fid using vfs iget
97 struct inode *coda_cnode_make(struct CodaFid *fid, struct super_block *sb)
100 	struct inode *inode;
103 	/* We get inode numbers from Venus -- see venus source */
108 	inode = coda_iget(sb, fid, &attr);
109 	if (IS_ERR(inode))
111 	return inode;
118  * first try to flush the cached inode from the kernel and finally
123 void coda_replace_fid(struct inode *inode, struct CodaFid *oldfid,
126 	struct coda_inode_info *cii = ITOC(inode);
131 	/* replace fid and rehash inode */
133 	remove_inode_hash(inode);
135 	inode->i_ino = hash;
136 	__insert_inode_hash(inode, hash);
139 /* convert a fid to an inode. */
140 struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb)
142 	struct inode *inode;
145 	inode = ilookup5(sb, hash, coda_test_inode, fid);
146 	if ( !inode )
151 	BUG_ON(inode->i_state & I_NEW);
153 	return inode;
166 /* the CONTROL inode is made without asking attributes from Venus */
167 struct inode *coda_cnode_makectl(struct super_block *sb)
169 	struct inode *inode = new_inode(sb);
170 	if (inode) {
171 		inode->i_ino = CTL_INO;
172 		inode->i_op = &coda_ioctl_inode_operations;
173 		inode->i_fop = &coda_ioctl_operations;
174 		inode->i_mode = 0444;
175 		return inode;