diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h
index 55f182205d78..294fb7807c8c 100644
--- a/drivers/staging/lustre/lustre/include/lprocfs_status.h
+++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h
@@ -663,8 +663,8 @@ extern int lprocfs_write_u64_helper(const char *buffer, unsigned long count,
 extern int lprocfs_write_frac_u64_helper(const char *buffer,
 					 unsigned long count,
 					 __u64 *val, int mult);
-char *lprocfs_find_named_value(const char *buffer, const char *name,
-				unsigned long *count);
+extern char *lprocfs_find_named_value(const char *buffer, const char *name,
+				      size_t *count);
 void lprocfs_oh_tally(struct obd_histogram *oh, unsigned int value);
 void lprocfs_oh_tally_log2(struct obd_histogram *oh, unsigned int value);
 void lprocfs_oh_clear(struct obd_histogram *oh);
diff --git a/drivers/staging/lustre/lustre/lov/lov_io.c b/drivers/staging/lustre/lustre/lov/lov_io.c
index 1a87abdf0953..022e0f4911c6 100644
--- a/drivers/staging/lustre/lustre/lov/lov_io.c
+++ b/drivers/staging/lustre/lustre/lov/lov_io.c
@@ -430,7 +430,7 @@ static int lov_io_rw_iter_init(const struct lu_env *env,
 	struct lov_io	*lio = cl2lov_io(env, ios);
 	struct cl_io	 *io  = ios->cis_io;
 	struct lov_stripe_md *lsm = lio->lis_object->lo_lsm;
-	loff_t start = io->u.ci_rw.crw_pos;
+	__u64 start = io->u.ci_rw.crw_pos;
 	loff_t next;
 	unsigned long ssize = lsm->lsm_stripe_size;
 
diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
index f7af3d6a4efc..85163f42892e 100644
--- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
+++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
@@ -1873,7 +1873,7 @@ static char *lprocfs_strnstr(const char *s1, const char *s2, size_t len)
  * If \a name is not found the original \a buffer is returned.
  */
 char *lprocfs_find_named_value(const char *buffer, const char *name,
-				unsigned long *count)
+			       size_t *count)
 {
 	char *val;
 	size_t buflen = *count;