175 	struct fiemap fiemap;  in ioctl_fiemap()  local
176 	struct fiemap __user *ufiemap = (struct fiemap __user *) arg;  in ioctl_fiemap()
183 	if (!inode->i_op->fiemap)  in ioctl_fiemap()
186 	if (copy_from_user(&fiemap, ufiemap, sizeof(fiemap)))  in ioctl_fiemap()
189 	if (fiemap.fm_extent_count > FIEMAP_MAX_EXTENTS)  in ioctl_fiemap()
192 	error = fiemap_check_ranges(sb, fiemap.fm_start, fiemap.fm_length,  in ioctl_fiemap()
197 	fieinfo.fi_flags = fiemap.fm_flags;  in ioctl_fiemap()
198 	fieinfo.fi_extents_max = fiemap.fm_extent_count;  in ioctl_fiemap()
201 	if (fiemap.fm_extent_count != 0 &&  in ioctl_fiemap()
209 	error = inode->i_op->fiemap(inode, &fieinfo, fiemap.fm_start, len);  in ioctl_fiemap()
210 	fiemap.fm_flags = fieinfo.fi_flags;  in ioctl_fiemap()
211 	fiemap.fm_mapped_extents = fieinfo.fi_extents_mapped;  in ioctl_fiemap()
212 	if (copy_to_user(ufiemap, &fiemap, sizeof(fiemap)))  in ioctl_fiemap()