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NFS: Allow text-based mounts via compat_sys_mount

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The compat_sys_mount() system call throws EINVAL for text-based NFSv4
mounts.

The text-based mount interface assumes that any mount option blob that
doesn't set the version field to "1" is a C string (ie not a legacy
mount request).  The compat_sys_mount() call treats blobs that don't
set the version field to "1" as an error.  We just relax the check in
compat_sys_mount() a bit to allow C strings to be passed down to the NFSv4
client.

Signed-off-by: Chuck Lever <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
This commit is contained in:
Chuck Lever 2008-02-13 14:55:17 -05:00 • committed by Trond Myklebust
commit 4267c9561d
1 changed files with 0 additions and 3 deletions
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3
fs/compat.c
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@ -702,9 +702,6 @@ static int do_nfs4_super_data_conv(void *raw_data)
real->flags = raw->flags;
real->version = raw->version;
}
else {
return -EINVAL;
}
return 0;
}