196 static int ioctl_fiemap(struct file *filp, struct fiemap __user *ufiemap)  in ioctl_fiemap()
198 	struct fiemap fiemap;  in ioctl_fiemap()  local
203 	if (!inode->i_op->fiemap)  in ioctl_fiemap()
206 	if (copy_from_user(&fiemap, ufiemap, sizeof(fiemap)))  in ioctl_fiemap()
209 	if (fiemap.fm_extent_count > FIEMAP_MAX_EXTENTS)  in ioctl_fiemap()
212 	fieinfo.fi_flags = fiemap.fm_flags;  in ioctl_fiemap()
213 	fieinfo.fi_extents_max = fiemap.fm_extent_count;  in ioctl_fiemap()
216 	error = inode->i_op->fiemap(inode, &fieinfo, fiemap.fm_start,  in ioctl_fiemap()
217 			fiemap.fm_length);  in ioctl_fiemap()
219 	fiemap.fm_flags = fieinfo.fi_flags;  in ioctl_fiemap()
220 	fiemap.fm_mapped_extents = fieinfo.fi_extents_mapped;  in ioctl_fiemap()
221 	if (copy_to_user(ufiemap, &fiemap, sizeof(fiemap)))  in ioctl_fiemap()