linux-kernel - Re: [PATCH 6/8] vfs: Make sys_sync writeout also block device inodes

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Date:	Fri, 20 Jul 2012 10:21:29 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	Jan Kara <jack@...e.cz>, linux-fsdevel@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Curt Wohlgemuth <curtw@...gle.com>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH 6/8] vfs: Make sys_sync writeout also block device inodes

Hi Al,

Would you please fold the below fix to commit 5c781a65fff ("vfs:
Create function for iterating over block devices")?

Thanks,
Fengguang
---
Subject: [PATCH] sync: fix build error on iterate_bdevs()

fs/sync.c:110:2: error: implicit declaration of function 'iterate_bdevs'

---
 include/linux/fs.h |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index ef839a7..b62af06 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2124,6 +2124,10 @@ static inline int thaw_bdev(struct block_device *bdev, struct super_block *sb)
 {
 	return 0;
 }
+
+static inline void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg)
+{
+}
 #endif
 extern int sync_filesystem(struct super_block *);
 extern const struct file_operations def_blk_fops;
-- 
1.7.10

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