SB_I_NODEV
sb->s_iflags &= ~SB_I_NODEV;
sb->s_iflags &= ~SB_I_NODEV;
sb->s_iflags |= SB_I_NOEXEC | SB_I_NODEV;
s->s_iflags &= ~SB_I_NODEV;
sb->s_iflags |= SB_I_NOEXEC | SB_I_NODEV;
fc->s_iflags |= SB_I_NOEXEC | SB_I_NODEV;
!(path->mnt->mnt_sb->s_iflags & SB_I_NODEV);
const unsigned long required_iflags = SB_I_NOEXEC | SB_I_NODEV;
fc->s_iflags = SB_I_NOEXEC | SB_I_NODEV;
s->s_iflags |= SB_I_NOEXEC | SB_I_NODEV;
s->s_iflags |= SB_I_NODEV;
sb->s_iflags |= SB_I_NOEXEC | SB_I_NODEV;
sb->s_iflags |= SB_I_NODEV;