Re: Configuration system bug? : tmpfs listing in /proc/filesystems when TMPFS was not configured!?

[Hugh Dickins]

On Sun, 7 Nov 2004, Chiaki wrote:
> Should not this line be ifdef'ed out???
> That is, should we modify the line like this?
> 
> #ifdef CONFIG_TMPFS
> 	error = register_filesystem(&tmpfs_fs_type);
> #endif

I'd be more inclined to register under a different
name than "tmpfs" in the !CONFIG_TMPFS case.

But as I said in my earlier reply to you (which you should have
received before you sent this?), it's been like this ever since
2.4.4 when "tmpfs" and CONFIG_TMPFS came into being, so I don't
see why we need to change it now.

The real 2.4.9 error is fixed by the patch below that I sent then:
does that solve your problems?

Hugh

--- 2.6.9/mm/shmem.c	2004-10-18 22:56:29.000000000 +0100
+++ linux/mm/shmem.c	2004-11-06 21:04:41.743173040 +0000
@@ -1904,6 +1904,8 @@ static int shmem_fill_super(struct super
 		sbinfo->max_inodes = inodes;
 		sbinfo->free_inodes = inodes;
 	}
+#else
+	sb->s_flags |= MS_NOUSER;
 #endif
 
 	sb->s_maxbytes = SHMEM_MAX_BYTES;

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