[PATCH] mount no tmpfs confusion

[Hugh Dickins]

My tmpfs superblock changes in 2.6.9 messed up mount -t tmpfs when
CONFIG_TMPFS is not enabled: it wrongly claimed to succeed, and left
the directory unusable, giving "Not a directory" errors thereafter.

Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx>

--- 2.6.10-rc1/mm/shmem.c	2004-10-23 12:44:13.000000000 +0100
+++ linux/mm/shmem.c	2004-11-07 11:50:53.894426456 +0000
@@ -1930,6 +1930,8 @@ static int shmem_fill_super(struct super
 		sbinfo->free_inodes = inodes;
 	}
 	sb->s_xattr = shmem_xattr_handlers;
+#else
+	sb->s_flags |= MS_NOUSER;
 #endif
 
 	sb->s_maxbytes = SHMEM_MAX_BYTES;

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