b=20492 allow llverdev/llverfs to handle media errors better

[fs/lustre-release.git] / lustre / liblustre / namei.c

diff --git a/lustre/liblustre/namei.c b/lustre/liblustre/namei.c
index 1fcb482..3fea45d 100644 (file)
--- a/lustre/liblustre/namei.c
+++ b/lustre/liblustre/namei.c
@@ -1,24 +1,41 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
  *
- * Lustre Light name resolution
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
  *
- *  Copyright (c) 2002-2004 Cluster File Systems, Inc.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
  *
- *   This file is part of Lustre, http://www.lustre.org.
+ * 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
  *
- *   Lustre is free software; you can redistribute it and/or
- *   modify it under the terms of version 2 of the GNU General Public
- *   License as published by the Free Software Foundation.
+ * 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.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
  *
- *   Lustre is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
+ * lustre/liblustre/namei.c
  *
- *   You should have received a copy of the GNU General Public License
- *   along with Lustre; if not, write to the Free Software
- *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Lustre Light name resolution
  */
 
 #define DEBUG_SUBSYSTEM S_LLITE
@@ -43,8 +60,6 @@
 #include <file.h>
 #endif
 
-#undef LIST_HEAD
-
 #include "llite_lib.h"
 
 void ll_intent_drop_lock(struct lookup_intent *it)
@@ -91,7 +106,7 @@ void llu_lookup_finish_locks(struct lookup_intent *it, struct pnode *pnode)
 
                 sbi = llu_i2sbi(inode);
                 md_set_lock_data(sbi->ll_md_exp,
-                                 &it->d.lustre.it_lock_handle, inode);
+                                 &it->d.lustre.it_lock_handle, inode, NULL);
         }
 
         /* drop lookup/getattr locks */
@@ -173,7 +188,6 @@ int llu_md_blocking_ast(struct ldlm_lock *lock,
 }
 
 static int pnode_revalidate_finish(struct ptlrpc_request *req,
-                                   int offset,
                                    struct lookup_intent *it,
                                    struct pnode *pnode)
 {
@@ -191,12 +205,12 @@ static int pnode_revalidate_finish(struct ptlrpc_request *req,
                 RETURN(-ENOENT);
 
         rc = md_get_lustre_md(llu_i2sbi(inode)->ll_md_exp, req,
-                              offset, llu_i2sbi(inode)->ll_dt_exp, 
+                              llu_i2sbi(inode)->ll_dt_exp, 
                               llu_i2sbi(inode)->ll_md_exp, &md);
         if (rc)
                 RETURN(rc);
 
-        llu_update_inode(inode, md.body, md.lsm);
+        llu_update_inode(inode, &md);
 
         RETURN(rc);
 }
@@ -206,7 +220,7 @@ static int llu_pb_revalidate(struct pnode *pnode, int flags,
 {
         struct pnode_base *pb = pnode->p_base;
         struct it_cb_data icbd;
-        struct md_op_data op_data;
+        struct md_op_data op_data = {{ 0 }};
         struct ptlrpc_request *req = NULL;
         struct lookup_intent lookup_it = { .it_op = IT_LOOKUP };
         struct obd_export *exp;
@@ -265,7 +279,7 @@ static int llu_pb_revalidate(struct pnode *pnode, int flags,
         if (rc < 0)
                 GOTO(out, rc = 0);
 
-        rc = pnode_revalidate_finish(req, DLM_REPLY_REC_OFF, it, pnode);
+        rc = pnode_revalidate_finish(req, it, pnode);
         if (rc != 0) {
                 ll_intent_release(it);
                 GOTO(out, rc = 0);
@@ -316,7 +330,7 @@ static int lookup_it_finish(struct ptlrpc_request *request, int offset,
                 if (it_disposition(it, DISP_OPEN_CREATE) &&
                     !it_open_error(DISP_OPEN_CREATE, it)) {
                         LASSERT(request);
-                        LASSERT(atomic_read(&request->rq_refcount) > 1);
+                        LASSERT(cfs_atomic_read(&request->rq_refcount) > 1);
                         CDEBUG(D_INODE, "dec a ref of req %p\n", request);
                         ptlrpc_req_finished(request);
                 }
@@ -335,7 +349,7 @@ static int lookup_it_finish(struct ptlrpc_request *request, int offset,
                 if (it_disposition(it, DISP_OPEN_CREATE))
                         ptlrpc_req_finished(request);
 
-                rc = md_get_lustre_md(sbi->ll_md_exp, request, offset,
+                rc = md_get_lustre_md(sbi->ll_md_exp, request,
                                       sbi->ll_dt_exp, sbi->ll_md_exp, &md);
                 if (rc)
                         RETURN(rc);
@@ -365,7 +379,7 @@ static int lookup_it_finish(struct ptlrpc_request *request, int offset,
                         /* bug 2334: drop MDS lock before acquiring OST lock */
                         ll_intent_drop_lock(it);
 
-                        rc = llu_glimpse_size(inode);
+                        rc = cl_glimpse_size(inode);
                         if (rc) {
                                 I_RELE(inode);
                                 RETURN(rc);
@@ -402,7 +416,7 @@ struct inode *llu_inode_from_lock(struct ldlm_lock *lock)
 static int llu_lookup_it(struct inode *parent, struct pnode *pnode,
                          struct lookup_intent *it, int flags)
 {
-        struct md_op_data op_data;
+        struct md_op_data op_data = {{ 0 }};
         struct it_cb_data icbd;
         struct ptlrpc_request *req = NULL;
         struct lookup_intent lookup_it = { .it_op = IT_LOOKUP };
@@ -579,6 +593,8 @@ int llu_iop_lookup(struct pnode *pnode,
         }
 
 out:
+        if (it)
+                OBD_FREE(it, sizeof(*it));
         liblustre_wait_event(0);
         RETURN(rc);
 }