LU-8726 osd-ldiskfs: bypass read for benchmarking

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

diff --git a/lustre/lmv/lmv_fld.c b/lustre/lmv/lmv_fld.c
index 1adcb54..b5ec306 100644 (file)
--- a/lustre/lmv/lmv_fld.c
+++ b/lustre/lmv/lmv_fld.c
@@ -15,17 +15,15 @@
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
 /*
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -33,17 +31,13 @@
  */
 
 #define DEBUG_SUBSYSTEM S_LMV
-#ifdef __KERNEL__
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/pagemap.h>
-#include <asm/div64.h>
+#include <linux/math64.h>
 #include <linux/seq_file.h>
-#else
-#include <liblustre.h>
-#endif
 
 #include <obd_support.h>
 #include <lustre/lustre_idl.h>
@@ -55,18 +49,24 @@
 #include <lprocfs_status.h>
 #include "lmv_internal.h"
 
-int lmv_fld_lookup(struct lmv_obd *lmv,
-                   const struct lu_fid *fid,
-                   mdsno_t *mds)
+int lmv_fld_lookup(struct lmv_obd *lmv, const struct lu_fid *fid, u32 *mds)
 {
-        int rc;
-        ENTRY;
+       struct obd_device *obd = lmv2obd_dev(lmv);
+       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 */
+       if (!fid_is_sane(fid) || !(fid_seq_in_fldb(fid_seq(fid)) ||
+                                  fid_seq_is_local_file(fid_seq(fid)))) {
+               CERROR("%s: invalid FID "DFID"\n", obd->obd_name, PFID(fid));
+               RETURN(-EINVAL);
+       }
 
-        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
+               CERROR("Error while looking for mds number. Seq %#llx"
                        ", err = %d\n", fid_seq(fid), rc);
                 RETURN(rc);
         }