lib/libpuffs/time.c

   1 /* Created (MFS based):
   2  *   February 2010 (Evgeniy Ivanov)
   3  */
   4
   5 #include "fs.h"
   6 #include <minix/callnr.h>
   7 #include <minix/com.h>
   8 #include <minix/vfsif.h>
   9
  10 #include "puffs.h"
  11 #include "puffs_priv.h"
  12
  13
  14 /*===========================================================================*
  15  *                              fs_utime                                     *
  16  *===========================================================================*/
  17 int fs_utime(void)
  18 {
  19   struct puffs_node *pn;
  20   struct vattr va;
  21   PUFFS_MAKECRED(pcr, &global_kcred);
  22
  23   if (is_readonly_fs)
  24         return(EROFS);
  25
  26   if (global_pu->pu_ops.puffs_node_setattr == NULL)
  27         return(EINVAL);
  28
  29   if( (pn = puffs_pn_nodewalk(global_pu, 0, &fs_m_in.m_vfs_fs_utime.inode)) == NULL)
  30         return(EINVAL);
  31
  32   puffs_vattr_null(&va);
  33   va.va_atime.tv_sec = fs_m_in.m_vfs_fs_utime.actime;
  34   va.va_atime.tv_nsec = fs_m_in.m_vfs_fs_utime.acnsec;
  35   va.va_mtime.tv_sec = fs_m_in.m_vfs_fs_utime.modtime;
  36   va.va_mtime.tv_nsec = fs_m_in.m_vfs_fs_utime.modnsec;
  37   va.va_ctime = clock_timespec();
  38
  39   if (global_pu->pu_ops.puffs_node_setattr(global_pu, pn, &va, pcr) != 0)
  40         return(EINVAL);
  41
  42   return(OK);
  43 }