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nf2 wrote:
> I would like to add non standard options when mounting a fuse 
> filesystem. The basic idea that they should show up in /etc/mtab to be 
> read by desktop vfs libraries and filemanagers. Their purpose is to turn 
> .Trash and preview rendering on/off, which is sometimes desirable:
>
> -o notrash,nopreviews
>
> I have already patched fusermount to let them through, but now i get:
>
> fusermount: mount failed: Invalid argument
>
> Hmm...
>
>   

Ah - found it myself. The FUSE kernel module also needs a little "fix". 
Here is a little patch which enables the option

-o add_kernel_opt=xxxxx

But, of course, setting arbitrary options might be a security problem... 
Don't know...

Norbert








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diff -u -r /tmp/fuse-2.6.5/kernel/inode.c fuse-2.6.5/kernel/inode.c
--- /tmp/fuse-2.6.5/kernel/inode.c      2007-02-04 14:34:51.000000000 +0100
+++ fuse-2.6.5/kernel/inode.c   2007-10-08 20:17:00.000000000 +0200
@@ -399,7 +399,8 @@
                        break;
 
                default:
-                       return 0;
+                       //return 0;
+                       break;
                }
        }
 
diff -u -r /tmp/fuse-2.6.5/lib/mount.c fuse-2.6.5/lib/mount.c
--- /tmp/fuse-2.6.5/lib/mount.c 2007-01-02 18:10:33.000000000 +0100
+++ fuse-2.6.5/lib/mount.c      2007-10-08 20:37:04.000000000 +0200
@@ -35,6 +35,7 @@
     KEY_RO,
     KEY_HELP,
     KEY_VERSION,
+    ADD_KERNEL_OPT
 };
 
 struct mount_opts {
@@ -75,6 +76,7 @@
     FUSE_OPT_KEY("--help",              KEY_HELP),
     FUSE_OPT_KEY("-V",                  KEY_VERSION),
     FUSE_OPT_KEY("--version",           KEY_VERSION),
+    FUSE_OPT_KEY("add_kernel_opt=",      ADD_KERNEL_OPT),
     FUSE_OPT_END
 };
 
@@ -128,6 +130,13 @@
     case KEY_KERN:
         return fuse_opt_add_opt(&mo->kernel_opts, arg);
 
+    case ADD_KERNEL_OPT:
+       {
+               char * eqpos = strchr(arg, '=');
+               if (eqpos && strlen(eqpos+1)>0)
+                       return fuse_opt_add_opt(&mo->kernel_opts, eqpos+1);
+               break;
+       }
     case KEY_HELP:
         mount_help();
         mo->ishelp = 1;


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