staging: lustre: obd: rename lsr_padding to lsr_valid

Simple variable rename.
Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4345
Reviewed-on: http://review.whamcloud.com/10223Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Mike Pershin <mike.pershin@intel.com>
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@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

@@ -3036,7 +3036,7 @@ struct llog_setattr64_rec {
 	__u32			lsr_uid_h;
 	__u32			lsr_gid;
 	__u32			lsr_gid_h;
-	__u64			lsr_padding;
+	__u64			lsr_valid;
 	struct llog_rec_tail    lsr_tail;
 } __packed;
 

drivers/staging/lustre/lustre/obdclass/llog_swab.c

@@ -224,6 +224,7 @@ void lustre_swab_llog_rec(struct llog_rec_hdr *rec)
 		__swab32s(&lsr->lsr_uid_h);
 		__swab32s(&lsr->lsr_gid);
 		__swab32s(&lsr->lsr_gid_h);
+		__swab64s(&lsr->lsr_valid);
 		tail = &lsr->lsr_tail;
 		break;
 	}

drivers/staging/lustre/lustre/ptlrpc/wiretest.c

@@ -3170,10 +3170,10 @@ void lustre_assert_wire_constants(void)
 		 (long long)(int)offsetof(struct llog_setattr64_rec, lsr_gid_h));
 	LASSERTF((int)sizeof(((struct llog_setattr64_rec *)0)->lsr_gid_h) == 4, "found %lld\n",
 		 (long long)(int)sizeof(((struct llog_setattr64_rec *)0)->lsr_gid_h));
-	LASSERTF((int)offsetof(struct llog_setattr64_rec, lsr_padding) == 48, "found %lld\n",
-		 (long long)(int)offsetof(struct llog_setattr64_rec, lsr_padding));
-	LASSERTF((int)sizeof(((struct llog_setattr64_rec *)0)->lsr_padding) == 8, "found %lld\n",
-		 (long long)(int)sizeof(((struct llog_setattr64_rec *)0)->lsr_padding));
+	LASSERTF((int)offsetof(struct llog_setattr64_rec, lsr_valid) == 48, "found %lld\n",
+		 (long long)(int)offsetof(struct llog_setattr64_rec, lsr_valid));
+	LASSERTF((int)sizeof(((struct llog_setattr64_rec *)0)->lsr_valid) == 8, "found %lld\n",
+		 (long long)(int)sizeof(((struct llog_setattr64_rec *)0)->lsr_valid));
 	LASSERTF((int)offsetof(struct llog_setattr64_rec, lsr_tail) == 56, "found %lld\n",
 		 (long long)(int)offsetof(struct llog_setattr64_rec, lsr_tail));
 	LASSERTF((int)sizeof(((struct llog_setattr64_rec *)0)->lsr_tail) == 8, "found %lld\n",