The fact that mount.nfs4 does not find the correct modules to load
(as fs type is nfs4 and that gets probed) seems to be a common
pitfall for quite a bit of time now.
It seems like adding an alias for the nfs4 filesystem type would
be a simple and acceptable (at least ext4 conditionally seems to
do the same) way to fix this. I placed the code into the one file
that already had some module stuff in it.
Does this look like an acceptable change?
-Stefan
>From 1351324afb76bc831eb70f0af3f7a9524047cec0 Mon Sep 17 00:00:00 2001
From: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
Date: Mon, 28 Nov 2011 15:37:39 +0100
Subject: [PATCH] nfs: Define nfs4 module alias
When NFSv4 is set to be built, the supporting code gets built into the
nfs module. But when trying to mount with fs-type nfs4 the default is
to try to load a module with the same name. Define a module alias to
enable automatic module loading for NFSv4.
Signed-off-by: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
---
fs/nfs/inode.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index c07a55a..608069a 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1653,6 +1653,9 @@ static void __exit exit_nfs_fs(void)
MODULE_AUTHOR("Olaf Kirch <okir@xxxxxxxxxxxx>");
MODULE_LICENSE("GPL");
module_param(enable_ino64, bool, 0644);
+#ifdef CONFIG_NFS_V4
+MODULE_ALIAS("nfs4");
+#endif
module_init(init_nfs_fs)
module_exit(exit_nfs_fs)
--
1.7.5.4
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