LU-2240 mds: Assign special fid sequence to root.

[fs/lustre-release.git] / lustre / lmv / lmv_fld.c

diff --git a/lustre/lmv/lmv_fld.c b/lustre/lmv/lmv_fld.c
index a43eb64..fc7f4bd 100644 (file)
--- a/lustre/lmv/lmv_fld.c
+++ b/lustre/lmv/lmv_fld.c
@@ -26,15 +26,14 @@
 /*
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
  * Lustre is a trademark of Sun Microsystems, Inc.
  */
 
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 #define DEBUG_SUBSYSTEM S_LMV
 #ifdef __KERNEL__
 #include <linux/slab.h>
@@ -62,11 +61,17 @@ int lmv_fld_lookup(struct lmv_obd *lmv,
                    const struct lu_fid *fid,
                    mdsno_t *mds)
 {
-        int rc;
-        ENTRY;
+       int rc;
+       ENTRY;
+
+
+       /* FIXME: Currently ZFS still use local seq for ROOT unfortunately, and
+        * this fid_is_local check should be removed once LU-2240 is fixed */
+       LASSERTF((fid_seq_in_fldb(fid_seq(fid)) ||
+                 fid_seq_is_local_file(fid_seq(fid))) &&
+                fid_is_sane(fid), DFID" is insane!\n", PFID(fid));
 
-        LASSERT(fid_is_sane(fid));
-        rc = fld_client_lookup(&lmv->lmv_fld, fid_seq(fid), mds,
+       rc = fld_client_lookup(&lmv->lmv_fld, fid_seq(fid), mds,
                                LU_SEQ_RANGE_MDT, NULL);
         if (rc) {
                 CERROR("Error while looking for mds number. Seq "LPX64