__IS_FLG
#define IS_SYNC(inode) (__IS_FLG(inode, SB_SYNCHRONOUS) || \
#define IS_DIRSYNC(inode) (__IS_FLG(inode, SB_SYNCHRONOUS|SB_DIRSYNC) || \
#define IS_MANDLOCK(inode) __IS_FLG(inode, SB_MANDLOCK)
#define IS_NOATIME(inode) __IS_FLG(inode, SB_RDONLY|SB_NOATIME)
#define IS_I_VERSION(inode) __IS_FLG(inode, SB_I_VERSION)
#define IS_POSIXACL(inode) __IS_FLG(inode, SB_POSIXACL)