staging: lustre: libcfs: remove libcfsutil.h in comment

[deliverable/linux.git] / drivers / staging / lustre / include / linux / libcfs / libcfs_ioctl.h

diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h
index 5ca99bd6f4e922977ea573383a75b1c0a9718dc3..01bf8d6dedc6bb097cb21c4681b17aea79ec73b2 100644 (file)
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h
@@ -34,7 +34,7 @@
  * libcfs/include/libcfs/libcfs_ioctl.h
  *
  * Low-level ioctl data structures. Kernel ioctl functions declared here,
- * and user space functions are in libcfsutil_ioctl.h.
+ * and user space functions are in libcfs/util/ioctl.h.
  *
  */
 
@@ -49,6 +49,9 @@ struct libcfs_ioctl_hdr {
        __u32 ioc_version;
 };
 
+/** max size to copy from userspace */
+#define LIBCFS_IOC_DATA_MAX    (128 * 1024)
+
 struct libcfs_ioctl_data {
        struct libcfs_ioctl_hdr ioc_hdr;
 
@@ -222,8 +225,8 @@ static inline bool libcfs_ioctl_is_invalid(struct libcfs_ioctl_data *data)
 
 int libcfs_register_ioctl(struct libcfs_ioctl_handler *hand);
 int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand);
-int libcfs_ioctl_getdata_len(const struct libcfs_ioctl_hdr __user *arg,
-                            __u32 *buf_len);
+int libcfs_ioctl_getdata(struct libcfs_ioctl_hdr **hdr_pp,
+                        const struct libcfs_ioctl_hdr __user *uparam);
 int libcfs_ioctl_popdata(void __user *arg, void *buf, int size);
 int libcfs_ioctl_data_adjust(struct libcfs_ioctl_data *data);