mmb_sync
mmb_sync(&AFFS_I(inode)->i_metadata_bhs);
mmb_sync(&BFS_I(inode)->i_metadata_bhs);
EXPORT_SYMBOL(mmb_sync);
ret = mmb_sync(mmb);
mmb_sync(&EXT2_I(inode)->i_metadata_bhs);
mmb_sync(&EXT2_I(inode)->i_metadata_bhs);
ret = mmb_sync(&EXT4_I(inode)->i_metadata_bhs);
mmb_sync(&EXT4_I(inode)->i_metadata_bhs);
err = mmb_sync(&MSDOS_I(fat_inode)->i_metadata_bhs);
err2 = mmb_sync(&MSDOS_I(inode)->i_metadata_bhs);
mmb_sync(&MSDOS_I(inode)->i_metadata_bhs);
mmb_sync(&minix_i(inode)->i_metadata_bhs);
mmb_sync(&iinfo->i_metadata_bhs);
int mmb_sync(struct mapping_metadata_bhs *mmb);