/**
 * @file    fsal_unlink.c
 * @date    $Date: 2006/01/24 13:45:37 $
 * @brief   object removing function.
 *
 * vim:noexpandtab:shiftwidth=8:tabstop=8:
 *
 * 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
 *
 * -------------
 */

#include "config.h"
#include "fsal.h"
#include "fsal_internal.h"
#include "fsal_convert.h"
#include "gpfs_methods.h"
#include <unistd.h>

/**
 *  @brief Remove a filesystem object .
 *
 *  @param dir_hdl  Handle of the parent directory of the object to be deleted.
 *  @param object_name Name of the object to be removed.
 *
 *  @return Major error codes :
 *        - ERR_FSAL_NO_ERROR     (no error)
 *        - Another error code if an error occured.
 */
fsal_status_t
GPFSFSAL_unlink(struct fsal_obj_handle *dir_hdl, const char *object_name)
{

	fsal_status_t status;
	gpfsfsal_xstat_t buffxstat;
	struct gpfs_fsal_obj_handle *gpfs_hdl;
	struct gpfs_fsal_export *exp = container_of(op_ctx->fsal_export,
					struct gpfs_fsal_export, export);
	int export_fd = exp->export_fd;

	gpfs_hdl =
	    container_of(dir_hdl, struct gpfs_fsal_obj_handle, obj_handle);

	/* get file metadata */
	status = fsal_internal_stat_name(export_fd, gpfs_hdl->handle,
					 object_name, &buffxstat.buffstat);
	if (FSAL_IS_ERROR(status))
		return status;

  /******************************
   * DELETE FROM THE FILESYSTEM *
   ******************************/
	status = fsal_internal_unlink(export_fd, gpfs_hdl->handle,
				      object_name, &buffxstat.buffstat);

	if (FSAL_IS_ERROR(status))
		return status;

	return fsalstat(ERR_FSAL_NO_ERROR, 0);
}
