[PATCH] inode-diet: Move i_bdev into a union

Move the i_bdev pointer in struct inode into a union.

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>

2 files changed, 2 insertions, 2 deletions

diff --git a/fs/inode.c b/fs/inode.c
index 77e254792025..41b462232f7f 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -254,7 +254,7 @@ void clear_inode(struct inode *inode)
         DQUOT_DROP(inode);
         if (inode->i_sb && inode->i_sb->s_op->clear_inode)
                 inode->i_sb->s_op->clear_inode(inode);
-        if (inode->i_bdev)
+        if (S_ISBLK(inode->i_mode) && inode->i_bdev)
                 bd_forget(inode);
         if (inode->i_cdev)
                 cd_forget(inode);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index ca695fc8d69c..98ff684a5b1c 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -531,8 +531,8 @@ struct inode {
         struct list_head        i_devices;
         union {
                 struct pipe_inode_info  *i_pipe;
+                struct block_device     *i_bdev;
         };
-        struct block_device     *i_bdev;
         struct cdev             *i_cdev;
         int                     i_cindex;