83 static int ovl_real_fdget_meta(const struct file *file, struct fd *real,  in ovl_real_fdget_meta()  argument
89 	real->flags = 0;  in ovl_real_fdget_meta()
90 	real->file = file->private_data;  in ovl_real_fdget_meta()
98 	if (unlikely(file_inode(real->file) != realinode)) {  in ovl_real_fdget_meta()
99 		real->flags = FDPUT_FPUT;  in ovl_real_fdget_meta()
100 		real->file = ovl_open_realfile(file, realinode);  in ovl_real_fdget_meta()
102 		return PTR_ERR_OR_ZERO(real->file);  in ovl_real_fdget_meta()
106 	if (unlikely((file->f_flags ^ real->file->f_flags) & ~O_NOATIME))  in ovl_real_fdget_meta()
107 		return ovl_change_flags(real->file, file->f_flags);  in ovl_real_fdget_meta()
112 static int ovl_real_fdget(const struct file *file, struct fd *real)  in ovl_real_fdget()  argument
114 	return ovl_real_fdget_meta(file, real, false);  in ovl_real_fdget()
197 	struct fd real;  in ovl_read_iter()  local
204 	ret = ovl_real_fdget(file, &real);  in ovl_read_iter()
209 	ret = vfs_iter_read(real.file, iter, &iocb->ki_pos,  in ovl_read_iter()
215 	fdput(real);  in ovl_read_iter()
224 	struct fd real;  in ovl_write_iter()  local
238 	ret = ovl_real_fdget(file, &real);  in ovl_write_iter()
243 	file_start_write(real.file);  in ovl_write_iter()
244 	ret = vfs_iter_write(real.file, iter, &iocb->ki_pos,  in ovl_write_iter()
246 	file_end_write(real.file);  in ovl_write_iter()
252 	fdput(real);  in ovl_write_iter()
262 	struct fd real;  in ovl_fsync()  local
266 	ret = ovl_real_fdget_meta(file, &real, !datasync);  in ovl_fsync()
271 	if (file_inode(real.file) == ovl_inode_upper(file_inode(file))) {  in ovl_fsync()
273 		ret = vfs_fsync_range(real.file, start, end, datasync);  in ovl_fsync()
277 	fdput(real);  in ovl_fsync()
316 	struct fd real;  in ovl_fallocate()  local
320 	ret = ovl_real_fdget(file, &real);  in ovl_fallocate()
325 	ret = vfs_fallocate(real.file, mode, offset, len);  in ovl_fallocate()
331 	fdput(real);  in ovl_fallocate()
338 	struct fd real;  in ovl_fadvise()  local
342 	ret = ovl_real_fdget(file, &real);  in ovl_fadvise()
347 	ret = vfs_fadvise(real.file, offset, len, advice);  in ovl_fadvise()
350 	fdput(real);  in ovl_fadvise()
358 	struct fd real;  in ovl_real_ioctl()  local
362 	ret = ovl_real_fdget(file, &real);  in ovl_real_ioctl()
367 	ret = vfs_ioctl(real.file, cmd, arg);  in ovl_real_ioctl()
370 	fdput(real);  in ovl_real_ioctl()