LU-10395 tests: add test_280 sanity

[fs/lustre-release.git] / lustre / obdclass / md_attrs.c

diff --git a/lustre/obdclass/md_attrs.c b/lustre/obdclass/md_attrs.c
index e06eb50..fe8fca5 100644 (file)
--- a/lustre/obdclass/md_attrs.c
+++ b/lustre/obdclass/md_attrs.c
@@ -21,13 +21,13 @@
  * GPL HEADER END
  */
 /*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
  * Use is subject to license terms.
  *
  * Author: Johann Lombardi <johann.lombardi@intel.com>
  */
-
-#include <lustre/lustre_idl.h>
+#include <llog_swab.h>
+#include <lustre_swab.h>
 #include <obd.h>
 #include <md_object.h>
 
@@ -47,10 +47,10 @@ 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. */
-       LASSERT(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);
 
 /**
@@ -60,15 +60,73 @@ EXPORT_SYMBOL(lustre_lma_init);
  */
 void lustre_lma_swab(struct lustre_mdt_attrs *lma)
 {
-       /* Use LUSTRE_MSG_MAGIC to detect local endianess. */
-       if (LUSTRE_MSG_MAGIC != cpu_to_le32(LUSTRE_MSG_MAGIC)) {
-               __swab32s(&lma->lma_compat);
-               __swab32s(&lma->lma_incompat);
-               lustre_swab_lu_fid(&lma->lma_self_fid);
-       }
-};
+#ifdef __BIG_ENDIAN
+       __swab32s(&lma->lma_compat);
+       __swab32s(&lma->lma_incompat);
+       lustre_swab_lu_fid(&lma->lma_self_fid);
+#endif
+}
 EXPORT_SYMBOL(lustre_lma_swab);
 
+void lustre_loa_init(struct lustre_ost_attrs *loa, const struct lu_fid *fid,
+                    __u32 compat, __u32 incompat)
+{
+       BUILD_BUG_ON(sizeof(*loa) != LMA_OLD_SIZE);
+
+       memset(&loa->loa_parent_fid, 0,
+              sizeof(*loa) - offsetof(typeof(*loa), loa_parent_fid));
+       lustre_lma_init(&loa->loa_lma, fid, compat, incompat);
+}
+EXPORT_SYMBOL(lustre_loa_init);
+
+/**
+ * Swab, if needed, LOA (for OST-object only) structure with LMA EA and PFID EA
+ * combined together are stored on-disk in little-endian order.
+ *
+ * \param[in] loa      - the pointer to the LOA structure to be swabbed.
+ * \param[in] to_cpu   - to indicate swab for CPU order or not.
+ */
+void lustre_loa_swab(struct lustre_ost_attrs *loa, bool to_cpu)
+{
+       struct lustre_mdt_attrs *lma = &loa->loa_lma;
+#ifdef __BIG_ENDIAN
+       __u32 compat = lma->lma_compat;
+#endif
+
+       lustre_lma_swab(lma);
+#ifdef __BIG_ENDIAN
+       if (to_cpu)
+               compat = lma->lma_compat;
+
+       if (compat & LMAC_STRIPE_INFO) {
+               lustre_swab_lu_fid(&loa->loa_parent_fid);
+               __swab32s(&loa->loa_stripe_size);
+       }
+       if (compat & LMAC_COMP_INFO) {
+               __swab32s(&loa->loa_comp_id);
+               __swab64s(&loa->loa_comp_start);
+               __swab64s(&loa->loa_comp_end);
+       }
+#endif
+}
+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.
@@ -77,14 +135,13 @@ EXPORT_SYMBOL(lustre_lma_swab);
  */
 void lustre_hsm_swab(struct hsm_attrs *attrs)
 {
-       /* Use LUSTRE_MSG_MAGIC to detect local endianess. */
-       if (LUSTRE_MSG_MAGIC != cpu_to_le32(LUSTRE_MSG_MAGIC)) {
-               __swab32s(&attrs->hsm_compat);
-               __swab32s(&attrs->hsm_flags);
-               __swab64s(&attrs->hsm_arch_id);
-               __swab64s(&attrs->hsm_arch_ver);
-       }
-};
+#ifdef __BIG_ENDIAN
+       __swab32s(&attrs->hsm_compat);
+       __swab32s(&attrs->hsm_flags);
+       __swab64s(&attrs->hsm_arch_id);
+       __swab64s(&attrs->hsm_arch_ver);
+#endif
+}
 
 /*
  * Swab and extract HSM attributes from on-disk xattr.