26 #include <linux/file.h>
43  * returns without any errors. This is to be used only for file reads.
53 	struct file *file = iocb->ki_filp;  in ecryptfs_read_update_atime()  local
63 		lower_dentry = ecryptfs_dentry_to_lower(file->f_path.dentry);  in ecryptfs_read_update_atime()
64 		lower_vfsmount = ecryptfs_dentry_to_lower_mnt(file->f_path.dentry);  in ecryptfs_read_update_atime()
109  * @file: The eCryptfs directory file
113 static int ecryptfs_readdir(struct file *file, void *dirent, filldir_t filldir)  in ecryptfs_readdir()  argument
116 	struct file *lower_file;  in ecryptfs_readdir()
120 	lower_file = ecryptfs_file_to_lower(file);  in ecryptfs_readdir()
121 	lower_file->f_pos = file->f_pos;  in ecryptfs_readdir()
122 	inode = file->f_path.dentry->d_inode;  in ecryptfs_readdir()
125 	buf.dentry = file->f_path.dentry;  in ecryptfs_readdir()
130 	file->f_pos = lower_file->f_pos;  in ecryptfs_readdir()
152 static int ecryptfs_file_mmap(struct file *file, struct vm_area_struct *vma)  in ecryptfs_file_mmap()  argument
156 	rc = generic_file_mmap(file, vma);  in ecryptfs_file_mmap()
167  * @inode: inode speciying file to open
168  * @file: Structure to return filled in
170  * Opens the file specified by inode.
174 static int ecryptfs_open(struct inode *inode, struct file *file)  in ecryptfs_open()  argument
179 	struct dentry *ecryptfs_dentry = file->f_path.dentry;  in ecryptfs_open()
188 	    && ((file->f_flags & O_WRONLY) || (file->f_flags & O_RDWR)  in ecryptfs_open()
189 		|| (file->f_flags & O_CREAT) || (file->f_flags & O_TRUNC)  in ecryptfs_open()
190 		|| (file->f_flags & O_APPEND))) {  in ecryptfs_open()
198 	ecryptfs_set_file_private(file, file_info);  in ecryptfs_open()
218 			"the lower file for the dentry with name "  in ecryptfs_open()
224 	    == O_RDONLY && (file->f_flags & O_ACCMODE) != O_RDONLY) {  in ecryptfs_open()
226 		printk(KERN_WARNING "%s: Lower file is RO; eCryptfs "  in ecryptfs_open()
227 		       "file must hence be opened RO\n", __func__);  in ecryptfs_open()
231 		file, ecryptfs_inode_to_private(inode)->lower_file);  in ecryptfs_open()
250 				printk(KERN_WARNING "Either the lower file "  in ecryptfs_open()
274 			ecryptfs_file_to_private(file));  in ecryptfs_open()
279 static int ecryptfs_flush(struct file *file, fl_owner_t td)  in ecryptfs_flush()  argument
281 	return file->f_mode & FMODE_WRITE  in ecryptfs_flush()
282 	       ? filemap_write_and_wait(file->f_mapping) : 0;  in ecryptfs_flush()
285 static int ecryptfs_release(struct inode *inode, struct file *file)  in ecryptfs_release()  argument
289 			ecryptfs_file_to_private(file));  in ecryptfs_release()
294 ecryptfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)  in ecryptfs_fsync()  argument
298 	rc = generic_file_fsync(file, start, end, datasync);  in ecryptfs_fsync()
301 	rc = vfs_fsync_range(ecryptfs_file_to_lower(file), start, end,  in ecryptfs_fsync()
307 static int ecryptfs_fasync(int fd, struct file *file, int flag)  in ecryptfs_fasync()  argument
310 	struct file *lower_file = NULL;  in ecryptfs_fasync()
312 	lower_file = ecryptfs_file_to_lower(file);  in ecryptfs_fasync()
319 ecryptfs_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)  in ecryptfs_unlocked_ioctl()  argument
321 	struct file *lower_file = NULL;  in ecryptfs_unlocked_ioctl()
324 	if (ecryptfs_file_to_private(file))  in ecryptfs_unlocked_ioctl()
325 		lower_file = ecryptfs_file_to_lower(file);  in ecryptfs_unlocked_ioctl()
333 ecryptfs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)  in ecryptfs_compat_ioctl()  argument
335 	struct file *lower_file = NULL;  in ecryptfs_compat_ioctl()
338 	if (ecryptfs_file_to_private(file))  in ecryptfs_compat_ioctl()
339 		lower_file = ecryptfs_file_to_lower(file);  in ecryptfs_compat_ioctl()