staging: lustre: lu_dirent_calc_size() return type to size_t

Change the type accordant usage.
Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5577
Reviewed-on: http://review.whamcloud.com/12383Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/include/lustre/lustre_idl.h

@@ -1013,12 +1013,12 @@ static inline struct lu_dirent *lu_dirent_next(struct lu_dirent *ent)
 	return next;
 }
 
-static inline int lu_dirent_calc_size(int namelen, __u16 attr)
+static inline size_t lu_dirent_calc_size(size_t namelen, __u16 attr)
 {
-	int size;
+	size_t size;
 
 	if (attr & LUDA_TYPE) {
-		const unsigned align = sizeof(struct luda_type) - 1;
+		const size_t align = sizeof(struct luda_type) - 1;
 
 		size = (sizeof(struct lu_dirent) + namelen + align) & ~align;
 		size += sizeof(struct luda_type);
@@ -1029,15 +1029,6 @@ static inline int lu_dirent_calc_size(int namelen, __u16 attr)
 	return (size + 7) & ~7;
 }
 
-static inline int lu_dirent_size(const struct lu_dirent *ent)
-{
-	if (le16_to_cpu(ent->lde_reclen) == 0) {
-		return lu_dirent_calc_size(le16_to_cpu(ent->lde_namelen),
-					   le32_to_cpu(ent->lde_attrs));
-	}
-	return le16_to_cpu(ent->lde_reclen);
-}
-
 #define MDS_DIR_END_OFF 0xfffffffffffffffeULL
 
 /**