9p: make struct v9fs_cached_file_operations static
[linux-2.6.git] / fs / 9p / v9fs.c
index 6135249..6ad6f19 100644 (file)
@@ -7,9 +7,8 @@
  *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
  *
  *  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.
+ *  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
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
+#include <linux/sched.h>
 #include <linux/parser.h>
 #include <linux/idr.h>
 
@@ -51,9 +50,11 @@ enum {
        Opt_port, Opt_msize, Opt_uid, Opt_gid, Opt_afid, Opt_debug,
        Opt_rfdno, Opt_wfdno,
        /* String options */
-       Opt_name, Opt_remotename,
+       Opt_uname, Opt_remotename,
        /* Options that take no arguments */
        Opt_legacy, Opt_nodevmap, Opt_unix, Opt_tcp, Opt_fd,
+       /* Cache options */
+       Opt_cache_loose,
        /* Error token */
        Opt_err
 };
@@ -67,7 +68,7 @@ static match_table_t tokens = {
        {Opt_rfdno, "rfdno=%u"},
        {Opt_wfdno, "wfdno=%u"},
        {Opt_debug, "debug=%x"},
-       {Opt_name, "name=%s"},
+       {Opt_uname, "uname=%s"},
        {Opt_remotename, "aname=%s"},
        {Opt_unix, "proto=unix"},
        {Opt_tcp, "proto=tcp"},
@@ -77,6 +78,8 @@ static match_table_t tokens = {
        {Opt_fd, "fd"},
        {Opt_legacy, "noextend"},
        {Opt_nodevmap, "nodevmap"},
+       {Opt_cache_loose, "cache=loose"},
+       {Opt_cache_loose, "loose"},
        {Opt_err, NULL}
 };
 
@@ -107,6 +110,7 @@ static void v9fs_parse_options(char *options, struct v9fs_session_info *v9ses)
        v9ses->debug = 0;
        v9ses->rfdno = ~0;
        v9ses->wfdno = ~0;
+       v9ses->cache = 0;
 
        if (!options)
                return;
@@ -116,13 +120,12 @@ static void v9fs_parse_options(char *options, struct v9fs_session_info *v9ses)
                if (!*p)
                        continue;
                token = match_token(p, tokens, args);
-               if (token < Opt_name) {
+               if (token < Opt_uname) {
                        if ((ret = match_int(&args[0], &option)) < 0) {
                                dprintk(DEBUG_ERROR,
                                        "integer field, but no integer?\n");
                                continue;
                        }
-
                }
                switch (token) {
                case Opt_port:
@@ -158,7 +161,7 @@ static void v9fs_parse_options(char *options, struct v9fs_session_info *v9ses)
                case Opt_fd:
                        v9ses->proto = PROTO_FD;
                        break;
-               case Opt_name:
+               case Opt_uname:
                        match_strcpy(v9ses->name, &args[0]);
                        break;
                case Opt_remotename:
@@ -170,6 +173,9 @@ static void v9fs_parse_options(char *options, struct v9fs_session_info *v9ses)
                case Opt_nodevmap:
                        v9ses->nodev = 1;
                        break;
+               case Opt_cache_loose:
+                       v9ses->cache = CACHE_LOOSE;
+                       break;
                default:
                        continue;
                }
@@ -289,7 +295,7 @@ v9fs_session_init(struct v9fs_session_info *v9ses,
        /* set global debug level */
        v9fs_debug_level = v9ses->debug;
 
-       /* id pools that are session-dependent: FIDs and TIDs */
+       /* id pools that are session-dependent: fids and tags */
        idr_init(&v9ses->fidpool.pool);
        init_MUTEX(&v9ses->fidpool.lock);
 
@@ -458,11 +464,18 @@ static int __init init_v9fs(void)
 
        v9fs_error_init();
 
-       printk(KERN_INFO "Installing v9fs 9P2000 file system support\n");
+       printk(KERN_INFO "Installing v9fs 9p2000 file system support\n");
 
        ret = v9fs_mux_global_init();
-       if (!ret)
-               ret = register_filesystem(&v9fs_fs_type);
+       if (ret) {
+               printk(KERN_WARNING "v9fs: starting mux failed\n");
+               return ret;
+       }
+       ret = register_filesystem(&v9fs_fs_type);
+       if (ret) {
+               printk(KERN_WARNING "v9fs: registering file system failed\n");
+               v9fs_mux_global_exit();
+       }
 
        return ret;
 }