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

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

Signed-off-by: "Theodore Ts'o" <[email protected]>


Index: linux-2.6.17-mm5/include/linux/fs.h
===================================================================
--- linux-2.6.17-mm5.orig/include/linux/fs.h	2006-07-02 20:27:00.000000000 -0400
+++ linux-2.6.17-mm5/include/linux/fs.h	2006-07-02 20:28:45.000000000 -0400
@@ -523,9 +523,10 @@
 #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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---

• References:
  • [patch 0/8] Inode slimming patches, part 1
    • From: "Theodore Ts'o" <[email protected]>

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