X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=fs%2Fsync.c;h=228e17b5e9ee911c2c2f58b4090e33b96954ff23;hb=53baaaa9682c230410a057263d1ce2922f43ddc4;hp=2f97576355b8828e2b952782860e5af7b3bebea2;hpb=60c9b2746f589b0b809582b0471cf30ad3ae439f;p=karo-tx-linux.git

diff --git a/fs/sync.c b/fs/sync.c
index 2f97576355b8..228e17b5e9ee 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -64,7 +64,7 @@ int file_fsync(struct file *filp, struct dentry *dentry, int datasync)
 	/* sync the superblock to buffers */
 	sb = inode->i_sb;
 	lock_super(sb);
-	if (sb->s_op->write_super)
+	if (sb->s_dirt && sb->s_op->write_super)
 		sb->s_op->write_super(sb);
 	unlock_super(sb);
 
@@ -236,6 +236,14 @@ out:
 	return ret;
 }
 
+/* It would be nice if people remember that not all the world's an i386
+   when they introduce new system calls */
+asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
+				     loff_t offset, loff_t nbytes)
+{
+	return sys_sync_file_range(fd, offset, nbytes, flags);
+}
+
 /*
  * `endbyte' is inclusive
  */