X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdclass%2Fmd_attrs.c;h=fe8fca5b69d5d40297b2a6f65da27d0b09abf31a;hb=f4eeadee5ba5d4ab9d04918d8d81d18907daa831;hp=c65a645051c19ea54f44cedce3b4aa016ec9acdf;hpb=ccabce23bd9e366c345c852f565766a799f61238;p=fs%2Flustre-release.git

diff --git a/lustre/obdclass/md_attrs.c b/lustre/obdclass/md_attrs.c
index c65a645..fe8fca5 100644
--- a/lustre/obdclass/md_attrs.c
+++ b/lustre/obdclass/md_attrs.c
@@ -47,9 +47,9 @@ void lustre_lma_init(struct lustre_mdt_attrs *lma, const struct lu_fid *fid,
 
 	/* If a field is added in struct lustre_mdt_attrs, zero it explicitly
 	 * and change the test below. */
-	CLASSERT(sizeof(*lma) ==
-		 (offsetof(struct lustre_mdt_attrs, lma_self_fid) +
-		  sizeof(lma->lma_self_fid)));
+	BUILD_BUG_ON(sizeof(*lma) !=
+		     (offsetof(struct lustre_mdt_attrs, lma_self_fid) +
+		      sizeof(lma->lma_self_fid)));
 }
 EXPORT_SYMBOL(lustre_lma_init);
 
@@ -71,7 +71,7 @@ EXPORT_SYMBOL(lustre_lma_swab);
 void lustre_loa_init(struct lustre_ost_attrs *loa, const struct lu_fid *fid,
 		     __u32 compat, __u32 incompat)
 {
-	CLASSERT(sizeof(*loa) == LMA_OLD_SIZE);
+	BUILD_BUG_ON(sizeof(*loa) != LMA_OLD_SIZE);
 
 	memset(&loa->loa_parent_fid, 0,
 	       sizeof(*loa) - offsetof(typeof(*loa), loa_parent_fid));
@@ -112,6 +112,22 @@ void lustre_loa_swab(struct lustre_ost_attrs *loa, bool to_cpu)
 EXPORT_SYMBOL(lustre_loa_swab);
 
 /**
+ * Swab, if needed, SOM structure which is stored on-disk in little-endian
+ * order.
+ *
+ * \param attrs - is a pointer to the SOM structure to be swabbed.
+ */
+void lustre_som_swab(struct lustre_som_attrs *attrs)
+{
+#ifdef __BIG_ENDIAN
+	__swab16s(&attrs->lsa_valid);
+	__swab64s(&attrs->lsa_size);
+	__swab64s(&attrs->lsa_blocks);
+#endif
+}
+EXPORT_SYMBOL(lustre_som_swab);
+
+/**
  * Swab, if needed, HSM structure which is stored on-disk in little-endian
  * order.
  *