mfsl_async_lookup.c

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/*
 *
 *
 * Copyright CEA/DAM/DIF  (2008)
 * contributeur : Philippe DENIEL   philippe.deniel@cea.fr
 *                Thomas LEIBOVICI  thomas.leibovici@cea.fr
 *
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 * 
 * 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * ---------------------------------------
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

/* fsal_types contains constants and type definitions for FSAL */
#include "fsal_types.h"
#include "fsal.h"
#include "mfsl_types.h"
#include "mfsl.h"
#include "common_utils.h"

fsal_status_t MFSL_lookup(mfsl_object_t * parent_directory_handle,      /* IN */
                          fsal_name_t * p_filename,     /* IN */
                          fsal_op_context_t * p_context,        /* IN */
                          mfsl_context_t * p_mfsl_context,      /* IN */
                          mfsl_object_t * object_handle,        /* OUT */
                          fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */ )
{
  fsal_status_t fsal_status;
  mfsl_object_specific_data_t *pasyncdata;

  P(parent_directory_handle->lock);
  fsal_status = FSAL_lookup(&parent_directory_handle->handle,
                            p_filename,
                            p_context, &object_handle->handle, object_attributes);
  V(parent_directory_handle->lock);

  if(FSAL_IS_ERROR(fsal_status))
    return fsal_status;

  if(mfsl_async_get_specdata(object_handle, &pasyncdata))
    {
      /* if object is asynchronous and deleted, then return ENOENT */
      if(pasyncdata->deleted == TRUE)
        MFSL_return(ERR_FSAL_NOENT, ENOENT);
    }

  /* object was found in FSAL, is not asynchronously deleted, everything is OK */
  MFSL_return(ERR_FSAL_NO_ERROR, 0);
}                               /* MFSL_lookup */