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Subject[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" <tytso@mit.edu>


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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