lustre/llite/dcache.c

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  *
   4  * This code is issued under the GNU General Public License.
   5  * See the file COPYING in this distribution
   6  *
   7  * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
   8  *
   9  */
  10
  11 #include <linux/fs.h>
  12 #include <linux/locks.h>
  13 #include <linux/quotaops.h>
  14
  15 #define DEBUG_SUBSYSTEM S_LLITE
  16
  17 #include <linux/obd_support.h>
  18 #include <linux/lustre_lite.h>
  19 #include <linux/lustre_dlm.h>
  20
  21 extern struct address_space_operations ll_aops;
  22
  23 void ll_intent_release(struct dentry *de)
  24 {
  25         struct lustre_handle *handle;
  26         ENTRY;
  27
  28         if (de->d_it == NULL) {
  29                 EXIT;
  30                 return;
  31         }
  32         if (de->d_it->it_lock_mode) {
  33                 handle = (struct lustre_handle *)de->d_it->it_lock_handle;
  34                 if (de->d_it->it_op == IT_SETATTR) {
  35                         int rc;
  36                         ldlm_lock_decref(handle, de->d_it->it_lock_mode);
  37                         rc = ldlm_cli_cancel(handle);
  38                         if (rc < 0)
  39                                 CERROR("ldlm_cli_cancel: %d\n", rc);
  40                 } else
  41                         ldlm_lock_decref(handle, de->d_it->it_lock_mode);
  42         }
  43         de->d_it = NULL;
  44         EXIT;
  45 }
  46
  47 int ll_revalidate2(struct dentry *de, int flags, struct lookup_intent *it)
  48 {
  49         ENTRY;
  50
  51         /* for debugging purposes, we currently always force client re-get */
  52         RETURN(0);
  53 }
  54
  55 struct dentry_operations ll_d_ops = {
  56         d_revalidate2: ll_revalidate2,
  57         d_intent_release: ll_intent_release
  58 };