extern void hold_metapage(struct metapage *mp) 
void hold_metapage(struct metapage *mp) 
extern void hold_metapage(struct metapage *mp){	lock_page(mp->page);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/1868f4aa5a4a72bbe0b7db6c1d4ee666824c3895/jfs_metapage.c/buggy/fs/jfs/jfs_metapage.c