[PATCH] fat: make sure to set d_ops in fat_get_parent

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fat_get_parent needs to setup the dentry operations, otherwise we might
lose them when the NFS server needs to reconnect out of cache inodes.


Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Index: linux-2.6/fs/fat/inode.c
===================================================================
--- linux-2.6.orig/fs/fat/inode.c	2008-11-08 10:47:12.000000000 +0100
+++ linux-2.6/fs/fat/inode.c	2008-11-08 12:16:18.000000000 +0100
@@ -749,6 +749,8 @@ static struct dentry *fat_get_parent(str
 	brelse(bh);
 
 	parent = d_obtain_alias(inode);
+	if (!IS_ERR(parent))
+		parent->d_op = sb->s_root->d_op;
 out:
 	unlock_super(sb);
 
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