r19647: Add some GPFS support in a vfs mod. Also adds the kernel flock op to

the vfs layer, since gpfs supports it.  Thanks to Volker, Christian,
Mathias, Chetan, and Peter.
(This used to be commit 0620658890fa9c68a9848538728023192319c81a)

1 files changed, 68 insertions, 0 deletions

diff --git a/source3/modules/vfs_gpfs.c b/source3/modules/vfs_gpfs.c
new file mode 100644
index 0000000000..c5658ceb51
--- /dev/null
+++ b/source3/modules/vfs_gpfs.c
@@ -0,0 +1,68 @@
+/*
+   Unix SMB/CIFS implementation.
+   Wrap gpfs calls in vfs functions.
+ 
+   Copyright (C) Christian Ambach <cambach1@de.ibm.com> 2006
+   
+   Major code contributions by Chetan Shringarpure <chetan.sh@in.ibm.com>
+   
+   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 "includes.h"
+
+
+static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp, 
+				 int fd, uint32 share_mode)
+{
+
+	START_PROFILE(syscall_kernel_flock);
+
+	kernel_flock(fsp->fh->fd, share_mode);
+
+	if (!set_gpfs_sharemode(fsp, fsp->access_mask, fsp->share_access)) {
+
+		return -1;
+
+	}
+
+	END_PROFILE(syscall_kernel_flock);
+
+	return 0;
+}
+
+
+static vfs_op_tuple gpfs_op_tuples[] = {
+
+	{SMB_VFS_OP(vfs_gpfs_kernel_flock),
+	 SMB_VFS_OP_KERNEL_FLOCK,
+	 SMB_VFS_LAYER_OPAQUE},
+
+	{SMB_VFS_OP(NULL),
+	 SMB_VFS_OP_NOOP,
+	 SMB_VFS_LAYER_NOOP}
+
+};
+
+
+NTSTATUS vfs_gpfs_init(void)
+{
+	init_gpfs();
+	
+	return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
+				gpfs_op_tuples);
+}