linux-kernel - [PATCH] [221/223] Un-inline get_pipe

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Date:	Mon, 13 Dec 2010 00:48:49 +0100 (CET)
From:	Andi Kleen <andi@...stfloor.org>
To:	torvalds@...ux-foundation.org, gregkh@...e.de, ak@...ux.intel.com,
	linux-kernel@...r.kernel.org, stable@...nel.org
Subject: [PATCH] [221/223] Un-inline get_pipe_info() helper function

2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Linus Torvalds <torvalds@...ux-foundation.org>

commit 72083646528d4887b920deb71b37e09bc7d227bb upstream.

This avoids some include-file hell, and the function isn't really
important enough to be inlined anyway.

Reported-by: Ingo Molnar <mingo@...e.hu>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>

---
 fs/pipe.c                 |   12 ++++++++++++
 include/linux/pipe_fs_i.h |   13 +------------
 2 files changed, 13 insertions(+), 12 deletions(-)

Index: linux/fs/pipe.c
===================================================================
--- linux.orig/fs/pipe.c
+++ linux/fs/pipe.c
@@ -1197,6 +1197,18 @@ int pipe_proc_fn(struct ctl_table *table
 	return ret;
 }
 
+/*
+ * After the inode slimming patch, i_pipe/i_bdev/i_cdev share the same
+ * location, so checking ->i_pipe is not enough to verify that this is a
+ * pipe.
+ */
+struct pipe_inode_info *get_pipe_info(struct file *file)
+{
+	struct inode *i = file->f_path.dentry->d_inode;
+
+	return S_ISFIFO(i->i_mode) ? i->i_pipe : NULL;
+}
+
 long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	struct pipe_inode_info *pipe;
Index: linux/include/linux/pipe_fs_i.h
===================================================================
--- linux.orig/include/linux/pipe_fs_i.h
+++ linux/include/linux/pipe_fs_i.h
@@ -160,17 +160,6 @@ void generic_pipe_buf_release(struct pip
 
 /* for F_SETPIPE_SZ and F_GETPIPE_SZ */
 long pipe_fcntl(struct file *, unsigned int, unsigned long arg);
-
-/*
- * After the inode slimming patch, i_pipe/i_bdev/i_cdev share the same
- * location, so checking ->i_pipe is not enough to verify that this is a
- * pipe.
- */
-static inline struct pipe_inode_info *get_pipe_info(struct file *file)
-{
-	struct inode *i = file->f_path.dentry->d_inode;
-
-	return S_ISFIFO(i->i_mode) ? i->i_pipe : NULL;
-}
+struct pipe_inode_info *get_pipe_info(struct file *file);
 
 #endif
--
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