staging: lustre: mdc: Proper accessing struct lov_user_md

In mdc_setattr_pack() access the members of struct lov_user_md by
little endian byte order.
Signed-off-by: Yoshifumi Uemura <kogexe@gmail.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5889
Reviewed-on: http://review.whamcloud.com/12683Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Yang Sheng <yang.sheng@intel.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/mdc/mdc_lib.c

@@ -328,7 +328,7 @@ void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
 
 	lum = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
 	if (!ea) { /* Remove LOV EA */
-		lum->lmm_magic = LOV_USER_MAGIC_V1;
+		lum->lmm_magic = cpu_to_le32(LOV_USER_MAGIC_V1);
 		lum->lmm_stripe_size = 0;
 		lum->lmm_stripe_count = 0;
 		lum->lmm_stripe_offset = (typeof(lum->lmm_stripe_offset))(-1);