cifs_sb = CIFS_SB(sb); 
cifs_sb = CIFS_SB(sblock); 
static void cifs_umount_begin(struct super_block * sblock){	struct cifs_sb_info *cifs_sb;	struct cifsTconInfo * tcon;	cifs_sb = CIFS_SB(sb);	if(cifs_sb == NULL)		return;	tcon = cifs_sb->tcon;	if(tcon == NULL)		return;	down(&tcon->tconSem);	if (atomic_read(&tcon->useCount) == 1)		tcon->tidStatus = CifsExiting;	up(&tcon->tconSem);	if(tcon->ses && tcon->ses->server)	{		cERROR(1,("wake up tasks now - umount begin not complete"));		wake_up_all(&tcon->ses->server->request_q);	}/* BB FIXME - finish add checks for tidStatus BB */	return;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/34210f33025a3256b9ac3f0a182f02f1879140cb/cifsfs.c/clean/fs/cifs/cifsfs.c