13 #include <linux/file.h>
78 static struct file *__anon_inode_getfile(const char *name,  in __anon_inode_getfile()
85 	struct file *file;  in __anon_inode_getfile()  local
93 			file = ERR_CAST(inode);  in __anon_inode_getfile()
99 			file = ERR_PTR(-ENODEV);  in __anon_inode_getfile()
109 	file = alloc_file_pseudo(inode, anon_inode_mnt, name,  in __anon_inode_getfile()
111 	if (IS_ERR(file))  in __anon_inode_getfile()
114 	file->f_mapping = inode->i_mapping;  in __anon_inode_getfile()
116 	file->private_data = priv;  in __anon_inode_getfile()
118 	return file;  in __anon_inode_getfile()
124 	return file;  in __anon_inode_getfile()
128  * anon_inode_getfile - creates a new file instance by hooking it up to an
130  *                      of the file
132  * @name:    [in]    name of the "class" of the new file
133  * @fops:    [in]    file operations for the new file
134  * @priv:    [in]    private data for the new file (will be file's private_data)
137  * Creates a new file by hooking it on a single inode. This is useful for files
140  * hence saving memory and avoiding code duplication for the file/inode/dentry
141  * setup.  Returns the newly created file* or an error pointer.
143 struct file *anon_inode_getfile(const char *name,  in anon_inode_getfile()
152  * anon_inode_getfile_fmode - creates a new file instance by hooking it up to an
154  *                      of the file
156  * @name:    [in]    name of the "class" of the new file
157  * @fops:    [in]    file operations for the new file
158  * @priv:    [in]    private data for the new file (will be file's private_data)
162  * Creates a new file by hooking it on a single inode. This is useful for files
165  * hence saving memory and avoiding code duplication for the file/inode/dentry
166  * setup. Allows setting the fmode. Returns the newly created file* or an error
169 struct file *anon_inode_getfile_fmode(const char *name,  in anon_inode_getfile_fmode()
173 	struct file *file;  in anon_inode_getfile_fmode()  local
175 	file = __anon_inode_getfile(name, fops, priv, flags, NULL, false);  in anon_inode_getfile_fmode()
176 	if (!IS_ERR(file))  in anon_inode_getfile_fmode()
177 		file->f_mode |= f_mode;  in anon_inode_getfile_fmode()
179 	return file;  in anon_inode_getfile_fmode()
189  * @name:    [in]    name of the "class" of the new file
190  * @fops:    [in]    file operations for the new file
191  * @priv:    [in]    private data for the new file (will be file's private_data)
196  * Create a new anonymous inode and file pair.  This can be done for two
208  * Returns the newly created file* or an error pointer.
210 struct file *anon_inode_create_getfile(const char *name,  in anon_inode_create_getfile()
227 	struct file *file;  in __anon_inode_getfd()  local
234 	file = __anon_inode_getfile(name, fops, priv, flags, context_inode,  in __anon_inode_getfd()
236 	if (IS_ERR(file)) {  in __anon_inode_getfd()
237 		error = PTR_ERR(file);  in __anon_inode_getfd()
240 	fd_install(fd, file);  in __anon_inode_getfd()
250  * anon_inode_getfd - creates a new file instance by hooking it up to
252  *                    the "class" of the file
254  * @name:    [in]    name of the "class" of the new file
255  * @fops:    [in]    file operations for the new file
256  * @priv:    [in]    private data for the new file (will be file's private_data)
259  * Creates a new file by hooking it on a single inode. This is
263  * memory use and avoiding code duplication for the file/inode/dentry
264  * setup.  Returns a newly created file descriptor or an error code.
278  * @name:    [in]    name of the "class" of the new file
279  * @fops:    [in]    file operations for the new file
280  * @priv:    [in]    private data for the new file (will be file's private_data)
285  * Create a new anonymous inode and file pair.  This can be done for two
297  * Returns a newly created file descriptor or an error code.