This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / fs / 9p / fid.h

diff --git a/fs/9p/fid.h b/fs/9p/fid.h
new file mode 100644 (file)
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--- /dev/null
+++ b/fs/9p/fid.h
@@ -0,0 +1,57 @@
+/*
+ * V9FS FID Management
+ *
+ *  Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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:
+ *  Free Software Foundation
+ *  51 Franklin Street, Fifth Floor
+ *  Boston, MA  02111-1301  USA
+ *
+ */
+
+#include <linux/list.h>
+
+#define FID_OP   0
+#define FID_WALK 1
+#define FID_CREATE 2
+
+struct v9fs_fid {
+       struct list_head list;   /* list of fids associated with a dentry */
+       struct list_head active; /* XXX - debug */
+
+       u32 fid;
+       unsigned char fidopen;    /* set when fid is opened */
+       unsigned char fidclunked; /* set when fid has already been clunked */
+
+       struct v9fs_qid qid;
+       u32 iounit;
+
+       /* readdir stuff */
+       int rdir_fpos;
+       loff_t rdir_pos;
+       struct v9fs_fcall *rdir_fcall;
+
+       /* management stuff */
+       uid_t uid;              /* user associated with this fid */
+
+       /* private data */
+       struct file *filp;      /* backpointer to File struct for open files */
+       struct v9fs_session_info *v9ses;        /* session info for this FID */
+};
+
+struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry);
+struct v9fs_fid *v9fs_fid_get_created(struct dentry *);
+void v9fs_fid_destroy(struct v9fs_fid *fid);
+struct v9fs_fid *v9fs_fid_create(struct v9fs_session_info *, int fid);
+int v9fs_fid_insert(struct v9fs_fid *fid, struct dentry *dentry);