From: Theodore Ts'o <tytso@mit.edu>
Date: Wed, 27 Sep 2006 08:50:47 +0000 (-0700)
Subject: [PATCH] inode-diet: Move i_pipe into a union
X-Git-Tag: v2.6.19-rc1~926
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c1541680f8d189d21dd07b053bc12996574646e;p=linux-2.6

[PATCH] 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" <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 4f77ec9c33..ca695fc8d6 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -528,9 +528,10 @@ struct inode {
 #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;