}
static inline int obd_free_diskmd(struct obd_export *exp,
- struct lov_mds_md **disk_tgt)
-{
- LASSERT(disk_tgt);
- LASSERT(*disk_tgt);
- return obd_packmd(exp, disk_tgt, NULL);
+ struct lov_mds_md **disk_tgt)
+{
+ LASSERT(disk_tgt);
+ LASSERT(*disk_tgt);
+ /*
+ * LU-2590, for caller's convenience, *disk_tgt could be host
+ * endianness, it needs swab to LE if necessary, while just
+ * lov_mds_md header needs it for figuring out how much memory
+ * needs to be freed.
+ */
+ if ((cpu_to_le32(LOV_MAGIC) != LOV_MAGIC) &&
+ (((*disk_tgt)->lmm_magic == LOV_MAGIC_V1) ||
+ ((*disk_tgt)->lmm_magic == LOV_MAGIC_V3)))
+ lustre_swab_lov_mds_md(*disk_tgt);
+ return obd_packmd(exp, disk_tgt, NULL);
}
/* Unpack an MD struct from disk to in-memory format.