[patch 19/22] export sync_sb() to modules

From: Miklos Szeredi
Date: Tue Feb 27 2007 - 18:21:46 EST


From: Miklos Szeredi <mszeredi@xxxxxxx>

Create a function sync_sb() and export it to modules. This is the
generic interface for writing back dirty data from a single
superblock.

Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
---

Index: linux/fs/fs-writeback.c
===================================================================
--- linux.orig/fs/fs-writeback.c 2007-02-27 14:40:54.000000000 +0100
+++ linux/fs/fs-writeback.c 2007-02-27 14:41:12.000000000 +0100
@@ -400,6 +400,14 @@ sync_sb_inodes(struct super_block *sb, s
return; /* Leave any unwritten inodes on s_io */
}

+void sync_sb(struct super_block *sb, struct writeback_control *wbc)
+{
+ spin_lock(&inode_lock);
+ sync_sb_inodes(sb, wbc);
+ spin_unlock(&inode_lock);
+}
+EXPORT_SYMBOL(sync_sb);
+
/*
* Start writeback of dirty pagecache data against all unlocked inodes.
*
Index: linux/include/linux/fs.h
===================================================================
--- linux.orig/include/linux/fs.h 2007-02-27 14:41:09.000000000 +0100
+++ linux/include/linux/fs.h 2007-02-27 14:41:12.000000000 +0100
@@ -1240,6 +1240,7 @@ static inline void file_accessed(struct
}

int sync_inode(struct inode *inode, struct writeback_control *wbc);
+void sync_sb(struct super_block *sb, struct writeback_control *wbc);

/**
* struct export_operations - for nfsd to communicate with file systems

--
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