diff options
Diffstat (limited to 'libdiskfs/file-sync.c')
-rw-r--r-- | libdiskfs/file-sync.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libdiskfs/file-sync.c b/libdiskfs/file-sync.c new file mode 100644 index 00000000..94ffa9ac --- /dev/null +++ b/libdiskfs/file-sync.c @@ -0,0 +1,42 @@ +/* libdiskfs implementation of fs.defs: file_seek + Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "priv.h" +#include "fs_S.h" + +/* Implement file_sync as described in <hurd/fs.defs>. */ +kern_return_t +diskfs_S_file_sync (struct protid *cred, + int wait, + int omitmetadata) +{ + struct node *np; + + if (!cred) + return EOPNOTSUPP; + + if (diskfs_synchronous) + wait = 1; + + np = cred->po->np; + + mutex_lock (&np->lock); + iohelp_get_conch (&np->conch); + mutex_unlock (&np->lock); + diskfs_file_update (np, wait); + return 0; +} |