[RFC] [PATCH 2/8] inode-diet: Move i_pipe into a union

[Theodore Tso <tytso@thunk.org>]

Move the i_pipe pointer into a union that will be shared with i_bdev
and i_cdev.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>


Index: linux-2.6.17/include/linux/fs.h
===================================================================
--- linux-2.6.17.orig/include/linux/fs.h	2006-06-18 19:37:39.000000000 -0400
+++ linux-2.6.17/include/linux/fs.h	2006-06-18 19:39:52.000000000 -0400
@@ -508,9 +508,10 @@
 #ifdef CONFIG_QUOTA
 	struct dquot		*i_dquot[MAXQUOTAS];
 #endif
-	/* These three should probably be a union */
 	struct list_head	i_devices;
-	struct pipe_inode_info	*i_pipe;
+	union {
+		struct pipe_inode_info	*i_pipe;
+	};
 	struct block_device	*i_bdev;
 	struct cdev		*i_cdev;
 	int			i_cindex;

--
-
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