[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 4f77ec9..ca695fc 100644 (file)
--- 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;