efs_get_block     130 fs/efs/efs.h   extern int efs_get_block(struct inode *, sector_t, struct buffer_head *, int);
efs_get_block      18 fs/efs/inode.c 	return block_read_full_page(page,efs_get_block);
efs_get_block      22 fs/efs/inode.c 	return generic_block_bmap(mapping,block,efs_get_block);