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Diffstat (limited to 'source4/ntvfs/posix/pvfs_flush.c')
-rw-r--r--source4/ntvfs/posix/pvfs_flush.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/source4/ntvfs/posix/pvfs_flush.c b/source4/ntvfs/posix/pvfs_flush.c
new file mode 100644
index 0000000000..49eaa74cfb
--- /dev/null
+++ b/source4/ntvfs/posix/pvfs_flush.c
@@ -0,0 +1,64 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ POSIX NTVFS backend - flush
+
+ Copyright (C) Andrew Tridgell 2004
+
+ 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 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 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 "include/includes.h"
+#include "vfs_posix.h"
+
+/*
+ flush a single open file
+*/
+static void pvfs_flush_file(struct pvfs_state *pvfs, struct pvfs_file *f)
+{
+ if (pvfs->flags & PVFS_FLAG_STRICT_SYNC) {
+ fsync(f->fd);
+ }
+}
+
+/*
+ flush a fnum
+*/
+NTSTATUS pvfs_flush(struct ntvfs_module_context *ntvfs,
+ struct smbsrv_request *req, struct smb_flush *io)
+{
+ struct pvfs_state *pvfs = ntvfs->private_data;
+ struct pvfs_file *f;
+
+ if (io->in.fnum != 0xFFFF) {
+ f = pvfs_find_fd(pvfs, req, io->in.fnum);
+ if (!f) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+ pvfs_flush_file(pvfs, f);
+ return NT_STATUS_OK;
+ }
+
+ if (!(pvfs->flags & PVFS_FLAG_STRICT_SYNC)) {
+ return NT_STATUS_OK;
+ }
+
+ /* they are asking to flush all open files */
+ for (f=pvfs->open_files;f;f=f->next) {
+ pvfs_flush_file(pvfs, f);
+ }
+
+ return NT_STATUS_OK;
+}