fsal_create.c

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/*
 * vim:expandtab:shiftwidth=8:tabstop=8:
 */

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

#include "fsal.h"
#include "fsal_internal.h"
#include "fsal_convert.h"
#include "fsal_common.h"

fsal_status_t FSAL_create(fsal_handle_t * parent_directory_handle,      /* IN */
                          fsal_name_t * p_filename,     /* IN */
                          fsal_op_context_t * p_context,        /* IN */
                          fsal_accessmode_t accessmode, /* IN */
                          fsal_handle_t * object_handle,        /* OUT */
                          fsal_attrib_list_t * object_attributes        /* [ IN/OUT ] */
    )
{

  int rc;

  /* sanity checks.
   * note : object_attributes is optional.
   */
  if(!parent_directory_handle || !p_context || !object_handle || !p_filename)
    Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_create);

  /* >> convert fsal args to your fs args.
   * Don't forget applying FSAL umask :
   * mode = mode & ~global_fs_info.umask << */

  TakeTokenFSCall();

  /* >> call your FS create function << */

  ReleaseTokenFSCall();

  /* >> interpret returned error << */

  /* >> set output handle << */

  if(object_attributes)
    {
      /* >> fill output attributes if asked << */
    }

  /* OK */
  Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_create);

}

fsal_status_t FSAL_mkdir(fsal_handle_t * parent_directory_handle,       /* IN */
                         fsal_name_t * p_dirname,       /* IN */
                         fsal_op_context_t * p_context, /* IN */
                         fsal_accessmode_t accessmode,  /* IN */
                         fsal_handle_t * object_handle, /* OUT */
                         fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */
    )
{

  int rc;

  /* sanity checks.
   * note : object_attributes is optional.
   */
  if(!parent_directory_handle || !p_context || !object_handle || !p_dirname)
    Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_mkdir);

  /* >> convert fsal args to your fs args.
   * Don't forget applying FSAL umask :
   * mode = mode & ~global_fs_info.umask << */

  TakeTokenFSCall();

  /* >> call your FS mkdir function << */

  ReleaseTokenFSCall();

  /* >> interpret returned error << */

  /* >> set output handle << */

  if(object_attributes)
    {
      /* >> fill output attributes if asked << */
    }

  /* OK */
  Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_mkdir);

}

fsal_status_t FSAL_link(fsal_handle_t * target_handle,  /* IN */
                        fsal_handle_t * dir_handle,     /* IN */
                        fsal_name_t * p_link_name,      /* IN */
                        fsal_op_context_t * p_context,  /* IN */
                        fsal_attrib_list_t * attributes /* [ IN/OUT ] */
    )
{

  int rc;

  /* sanity checks.
   * note : attributes is optional.
   */
  if(!target_handle || !dir_handle || !p_context || !p_link_name)
    Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_link);

  /* Tests if hardlinking is allowed by configuration. */

  if(!global_fs_info.link_support)
    Return(ERR_FSAL_NOTSUPP, 0, INDEX_FSAL_link);

  TakeTokenFSCall();

  /* >> call your FS link function << */

  ReleaseTokenFSCall();

  /* >> interpret returned error << */

  if(attributes)
    {
      /* >> fill output attributes if asked << */
    }

  /* OK */
  Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_link);

}

fsal_status_t FSAL_mknode(fsal_handle_t * parentdir_handle,     /* IN */
                          fsal_name_t * p_node_name,    /* IN */
                          fsal_op_context_t * p_context,        /* IN */
                          fsal_accessmode_t accessmode, /* IN */
                          fsal_nodetype_t nodetype,     /* IN */
                          fsal_dev_t * dev,     /* IN */
                          fsal_handle_t * p_object_handle,      /* OUT (handle to the created node) */
                          fsal_attrib_list_t * node_attributes  /* [ IN/OUT ] */
    )
{

  /* sanity checks.
   * note : link_attributes is optional.
   */
  if(!parentdir_handle || !p_context || !nodetype || !dev || !p_node_name)
    Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_mknode);

  /* Not implemented */
  Return(ERR_FSAL_NOTSUPP, 0, INDEX_FSAL_mknode);

}