S_IXOTH
inode->i_mode |= S_IXOTH;
perm_mode |= S_IXOTH;
S_IXOTH, S_IWOTH, S_IROTH,
mode |= (wire & POSIX_X_OTH) ? S_IXOTH : 0;
#define S_IXUGO (S_IXUSR|S_IXGRP|S_IXOTH)
stx->stx_mode & S_IXOTH ? 'x' : '-');
#define S_IXUGO (S_IXUSR|S_IXGRP|S_IXOTH)