X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdclass%2Flinkea.c;h=910efb98d00a8c598fc896aed4d4e64cd67d46ed;hb=dd99ddf9f22921535c3f083e91bfc06a566e382b;hp=eed6fd21dad1a18ef0bb6c1d213d12ec1a85d124;hpb=1b2547843817b4b7adbeb87ea9b070d9cac35c90;p=fs%2Flustre-release.git

diff --git a/lustre/obdclass/linkea.c b/lustre/obdclass/linkea.c
index eed6fd2..910efb9 100644
--- a/lustre/obdclass/linkea.c
+++ b/lustre/obdclass/linkea.c
@@ -21,7 +21,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright (c) 2013, Intel Corporation.
+ * Copyright (c) 2013, 2014, Intel Corporation.
  * Use is subject to license terms.
  *
  * Author: Di Wang <di.wang@intel.com>
@@ -72,16 +72,18 @@ EXPORT_SYMBOL(linkea_init);
  * Numbers are always big-endian
  * \retval record length
  */
-static int linkea_entry_pack(struct link_ea_entry *lee,
-			     const struct lu_name *lname,
-			     const struct lu_fid *pfid)
+int linkea_entry_pack(struct link_ea_entry *lee, const struct lu_name *lname,
+		      const struct lu_fid *pfid)
 {
 	struct lu_fid   tmpfid;
 	int             reclen;
 
-	fid_cpu_to_be(&tmpfid, pfid);
+	tmpfid = *pfid;
+	if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_MUL_REF))
+		tmpfid.f_oid--;
 	if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LINKEA_CRASH))
 		tmpfid.f_ver = ~0;
+	fid_cpu_to_be(&tmpfid, &tmpfid);
 	memcpy(&lee->lee_parent_fid, &tmpfid, sizeof(tmpfid));
 	memcpy(lee->lee_name, lname->ln_name, lname->ln_namelen);
 	reclen = sizeof(struct link_ea_entry) + lname->ln_namelen;
@@ -90,6 +92,7 @@ static int linkea_entry_pack(struct link_ea_entry *lee,
 	lee->lee_reclen[1] = reclen & 0xff;
 	return reclen;
 }
+EXPORT_SYMBOL(linkea_entry_pack);
 
 void linkea_entry_unpack(const struct link_ea_entry *lee, int *reclen,
 			 struct lu_name *lname, struct lu_fid *pfid)
@@ -97,8 +100,10 @@ void linkea_entry_unpack(const struct link_ea_entry *lee, int *reclen,
 	*reclen = (lee->lee_reclen[0] << 8) | lee->lee_reclen[1];
 	memcpy(pfid, &lee->lee_parent_fid, sizeof(*pfid));
 	fid_be_to_cpu(pfid, pfid);
-	lname->ln_name = lee->lee_name;
-	lname->ln_namelen = *reclen - sizeof(struct link_ea_entry);
+	if (lname != NULL) {
+		lname->ln_name = lee->lee_name;
+		lname->ln_namelen = *reclen - sizeof(struct link_ea_entry);
+	}
 }
 EXPORT_SYMBOL(linkea_entry_unpack);