fsal_fsinfo.c

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/*
 * vim:expandtab:shiftwidth=4:tabstop=4:
 */

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

#include "fsal.h"
#include "fsal_internal.h"
#include "fsal_convert.h"
#include <sys/statvfs.h>

fsal_status_t LUSTREFSAL_dynamic_fsinfo(fsal_handle_t * p_filehandle,     /* IN */
                                        fsal_op_context_t * p_context,    /* IN */
                                        fsal_dynamicfsinfo_t * p_dynamicinfo    /* OUT */
    )
{
  fsal_path_t pathfsal;
  fsal_status_t status;
  struct statvfs buffstatvfs;
  int rc, errsv;
  /* sanity checks. */
  if(!p_filehandle || !p_dynamicinfo || !p_context)
    Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_dynamic_fsinfo);

  status = fsal_internal_Handle2FidPath(p_context, p_filehandle, &pathfsal);
  if(FSAL_IS_ERROR(status))
    Return(status.major, status.minor, INDEX_FSAL_dynamic_fsinfo);

  TakeTokenFSCall();
  rc = statvfs(pathfsal.path, &buffstatvfs);
  errsv = errno;
  ReleaseTokenFSCall();
  if(rc)
    Return(posix2fsal_error(errsv), errsv, INDEX_FSAL_dynamic_fsinfo);

  p_dynamicinfo->total_bytes = buffstatvfs.f_frsize * buffstatvfs.f_blocks;
  p_dynamicinfo->free_bytes = buffstatvfs.f_frsize * buffstatvfs.f_bfree;
  p_dynamicinfo->avail_bytes = buffstatvfs.f_frsize * buffstatvfs.f_bavail;

  p_dynamicinfo->total_files = buffstatvfs.f_files;
  p_dynamicinfo->free_files = buffstatvfs.f_ffree;
  p_dynamicinfo->avail_files = buffstatvfs.f_favail;

  p_dynamicinfo->time_delta.seconds = 1;
  p_dynamicinfo->time_delta.nseconds = 0;

  Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_dynamic_fsinfo);

}