linux-kernel - [PATCH] NFS: Fix a typo in include/linux/nfs

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Date:	Sun,  1 Aug 2010 13:40:40 -0400
From:	Trond Myklebust <Trond.Myklebust@...app.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, linux-nfs@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Trond Myklebust <Trond.Myklebust@...app.com>
Subject: [PATCH] NFS: Fix a typo in include/linux/nfs_fs.h

nfs_commit_inode() needs to be defined irrespectively of whether or not
we are supporting NFSv3 and NFSv4.
Allow the compiler to optimise away code in the NFSv2-only case by
converting it into an inlined stub function.

Reported-by: Ingo Molnar <mingo@...e.hu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@...app.com>
---
 fs/nfs/write.c         |    5 -----
 include/linux/nfs_fs.h |    6 ++++++
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index bb72ad3..9f81bdd 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1454,11 +1454,6 @@ out_mark_dirty:
 	return ret;
 }
 #else
-int nfs_commit_inode(struct inode *inode, int how)
-{
-	return 0;
-}
-
 static int nfs_commit_unstable_pages(struct inode *inode, struct writeback_control *wbc)
 {
 	return 0;
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index f6e2455..bad4d12 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -496,6 +496,12 @@ extern int nfs_wb_page_cancel(struct inode *inode, struct page* page);
 extern int  nfs_commit_inode(struct inode *, int);
 extern struct nfs_write_data *nfs_commitdata_alloc(void);
 extern void nfs_commit_free(struct nfs_write_data *wdata);
+#else
+static inline int
+nfs_commit_inode(struct inode *inode, int how)
+{
+	return 0;
+}
 #endif
 
 static inline int
-- 
1.7.2

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