271 	return (mnt->mnt_flags & MNT_READONLY) || sb_rdonly(mnt->mnt_sb);  in __mnt_is_readonly()
348 	while (READ_ONCE(mnt->mnt.mnt_flags) & MNT_WRITE_HOLD) {  in __mnt_want_write()
508 	mnt->mnt.mnt_flags |= MNT_WRITE_HOLD;  in mnt_hold_writers()
556 	mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD;  in mnt_unhold_writers()
565 		mnt->mnt.mnt_flags |= MNT_READONLY;  in mnt_make_readonly()
581 		if (!(mnt->mnt.mnt_flags & MNT_READONLY)) {  in sb_prepare_remount_readonly()
595 		if (mnt->mnt.mnt_flags & MNT_WRITE_HOLD)  in sb_prepare_remount_readonly()
596 			mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD;  in sb_prepare_remount_readonly()
635 	if (bastard->mnt_flags & MNT_SYNC_UMOUNT) {  in __legitimize_mnt()
640 	if (unlikely(bastard->mnt_flags & MNT_DOOMED)) {  in __legitimize_mnt()
723 	return mnt->mnt.mnt_flags & MNT_CURSOR;  in mnt_is_cursor()
1022 		mnt->mnt.mnt_flags = MNT_INTERNAL;  in vfs_create_mount()
1119 	mnt->mnt.mnt_flags = old->mnt.mnt_flags;  in clone_mnt()
1120 	mnt->mnt.mnt_flags &= ~(MNT_WRITE_HOLD|MNT_MARKED|MNT_INTERNAL);  in clone_mnt()
1241 	if (unlikely(mnt->mnt.mnt_flags & MNT_DOOMED)) {  in mntput_no_expire()
1246 	mnt->mnt.mnt_flags |= MNT_DOOMED;  in mntput_no_expire()
1261 	if (likely(!(mnt->mnt.mnt_flags & MNT_INTERNAL))) {  in mntput_no_expire()
1331 	p->mnt.mnt_flags |= MNT_INTERNAL;  in mnt_clone_internal()
1530 	if (!(mnt->mnt_parent->mnt.mnt_flags & MNT_UMOUNT))  in disconnect_mount()
1559 		p->mnt.mnt_flags |= MNT_UMOUNT;  in umount_tree()
1585 			p->mnt.mnt_flags |= MNT_SYNC_UMOUNT;  in umount_tree()
1701 	if (mnt->mnt.mnt_flags & MNT_LOCKED)  in do_umount()
1748 		if (mnt->mnt.mnt_flags & MNT_UMOUNT) {  in __detach_mounts()
1787 	if (mnt->mnt.mnt_flags & MNT_LOCKED) /* Check optimistically */  in can_umount()
1901 				if (s->mnt.mnt_flags & MNT_LOCKED) {  in copy_tree()
1995 		if (child->mnt.mnt_flags & MNT_LOCKED)  in has_locked_children()
2063 		int flags = p->mnt.mnt_flags;  in lock_mnt_tree()
2081 		p->mnt.mnt_flags = flags;  in lock_mnt_tree()
2261 		child->mnt.mnt_flags &= ~MNT_LOCKED;  in attach_recursive_mnt()
2411 		mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in __do_loopback()
2561 static bool can_change_locked_flags(struct mount *mnt, unsigned int mnt_flags)  in can_change_locked_flags()  argument
2563 	unsigned int fl = mnt->mnt.mnt_flags;  in can_change_locked_flags()
2566 	    !(mnt_flags & MNT_READONLY))  in can_change_locked_flags()
2570 	    !(mnt_flags & MNT_NODEV))  in can_change_locked_flags()
2574 	    !(mnt_flags & MNT_NOSUID))  in can_change_locked_flags()
2578 	    !(mnt_flags & MNT_NOEXEC))  in can_change_locked_flags()
2582 	    ((fl & MNT_ATIME_MASK) != (mnt_flags & MNT_ATIME_MASK)))  in can_change_locked_flags()
2588 static int change_mount_ro_state(struct mount *mnt, unsigned int mnt_flags)  in change_mount_ro_state()  argument
2590 	bool readonly_request = (mnt_flags & MNT_READONLY);  in change_mount_ro_state()
2598 	mnt->mnt.mnt_flags &= ~MNT_READONLY;  in change_mount_ro_state()
2602 static void set_mount_attributes(struct mount *mnt, unsigned int mnt_flags)  in set_mount_attributes()  argument
2604 	mnt_flags |= mnt->mnt.mnt_flags & ~MNT_USER_SETTABLE_MASK;  in set_mount_attributes()
2605 	mnt->mnt.mnt_flags = mnt_flags;  in set_mount_attributes()
2638 static int do_reconfigure_mnt(struct path *path, unsigned int mnt_flags)  in do_reconfigure_mnt()  argument
2650 	if (!can_change_locked_flags(mnt, mnt_flags))  in do_reconfigure_mnt()
2659 	ret = change_mount_ro_state(mnt, mnt_flags);  in do_reconfigure_mnt()
2661 		set_mount_attributes(mnt, mnt_flags);  in do_reconfigure_mnt()
2676 		      int mnt_flags, void *data)  in do_remount()  argument
2689 	if (!can_change_locked_flags(mnt, mnt_flags))  in do_remount()
2705 				set_mount_attributes(mnt, mnt_flags);  in do_remount()
2856 	if (old->mnt.mnt_flags & MNT_LOCKED)  in do_move_mount()
2925 			const struct path *path, int mnt_flags)  in do_add_mount()  argument
2929 	mnt_flags &= ~MNT_INTERNAL_FLAGS;  in do_add_mount()
2933 		if (!(mnt_flags & MNT_SHRINKABLE))  in do_add_mount()
2948 	newmnt->mnt.mnt_flags = mnt_flags;  in do_add_mount()
2959 			   unsigned int mnt_flags)  in do_new_mount_fc()  argument
2967 	if (!error && mount_too_revealing(sb, &mnt_flags))  in do_new_mount_fc()
2988 	error = do_add_mount(real_mount(mnt), mp, mountpoint, mnt_flags);  in do_new_mount_fc()
3000 			int mnt_flags, const char *name, void *data)  in do_new_mount()  argument
3042 		err = do_new_mount_fc(fc, path, mnt_flags);  in do_new_mount()
3096 	err = do_add_mount(mnt, mp, path, path->mnt->mnt_flags | MNT_SHRINKABLE);  in finish_automount()
3192 		if (!(mnt->mnt.mnt_flags & MNT_SHRINKABLE))  in select_submounts()
3298 	unsigned int mnt_flags = 0, sb_flags;  in path_mount()  local
3322 		mnt_flags |= MNT_RELATIME;  in path_mount()
3326 		mnt_flags |= MNT_NOSUID;  in path_mount()
3328 		mnt_flags |= MNT_NODEV;  in path_mount()
3330 		mnt_flags |= MNT_NOEXEC;  in path_mount()
3332 		mnt_flags |= MNT_NOATIME;  in path_mount()
3334 		mnt_flags |= MNT_NODIRATIME;  in path_mount()
3336 		mnt_flags &= ~(MNT_RELATIME | MNT_NOATIME);  in path_mount()
3338 		mnt_flags |= MNT_READONLY;  in path_mount()
3340 		mnt_flags |= MNT_NOSYMFOLLOW;  in path_mount()
3346 		mnt_flags &= ~MNT_ATIME_MASK;  in path_mount()
3347 		mnt_flags |= path->mnt->mnt_flags & MNT_ATIME_MASK;  in path_mount()
3360 		return do_reconfigure_mnt(path, mnt_flags);  in path_mount()
3362 		return do_remount(path, flags, sb_flags, mnt_flags, data_page);  in path_mount()
3370 	return do_new_mount(path, type_page, sb_flags, mnt_flags, dev_name,  in path_mount()
3614 	unsigned int mnt_flags = 0;  in attr_flags_to_mnt_flags()  local
3617 		mnt_flags |= MNT_READONLY;  in attr_flags_to_mnt_flags()
3619 		mnt_flags |= MNT_NOSUID;  in attr_flags_to_mnt_flags()
3621 		mnt_flags |= MNT_NODEV;  in attr_flags_to_mnt_flags()
3623 		mnt_flags |= MNT_NOEXEC;  in attr_flags_to_mnt_flags()
3625 		mnt_flags |= MNT_NODIRATIME;  in attr_flags_to_mnt_flags()
3627 		mnt_flags |= MNT_NOSYMFOLLOW;  in attr_flags_to_mnt_flags()
3629 	return mnt_flags;  in attr_flags_to_mnt_flags()
3645 	unsigned int mnt_flags = 0;  in SYSCALL_DEFINE3()  local
3657 	mnt_flags = attr_flags_to_mnt_flags(attr_flags);  in SYSCALL_DEFINE3()
3663 		mnt_flags |= MNT_NOATIME;  in SYSCALL_DEFINE3()
3666 		mnt_flags |= MNT_RELATIME;  in SYSCALL_DEFINE3()
3692 	if (mount_too_revealing(fc->root->d_sb, &mnt_flags)) {  in SYSCALL_DEFINE3()
3710 	newmount.mnt->mnt_flags = mnt_flags;  in SYSCALL_DEFINE3()
3911 	if (new_mnt->mnt.mnt_flags & MNT_LOCKED)  in SYSCALL_DEFINE2()
3937 	if (root_mnt->mnt.mnt_flags & MNT_LOCKED) {  in SYSCALL_DEFINE2()
3938 		new_mnt->mnt.mnt_flags |= MNT_LOCKED;  in SYSCALL_DEFINE2()
3939 		root_mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in SYSCALL_DEFINE2()
3969 	unsigned int flags = mnt->mnt.mnt_flags;  in recalc_flags()
4030 		(mnt->mnt.mnt_flags & MNT_READONLY)) &&  in mnt_allow_writers()
4069 			if (p->mnt.mnt_flags & MNT_WRITE_HOLD)  in mount_setattr_prepare()
4117 		WRITE_ONCE(m->mnt.mnt_flags, flags);  in mount_setattr_commit()
4120 		if (m->mnt.mnt_flags & MNT_WRITE_HOLD)  in mount_setattr_commit()
4400 	mnt->mnt_flags |= MNT_LOCKED;  in init_mount_tree()
4529 		int mnt_flags;  in mnt_already_visible()  local
4544 		mnt_flags = mnt->mnt.mnt_flags;  in mnt_already_visible()
4548 			mnt_flags |= MNT_LOCK_READONLY;  in mnt_already_visible()
4553 		if ((mnt_flags & MNT_LOCK_READONLY) &&  in mnt_already_visible()
4556 		if ((mnt_flags & MNT_LOCK_ATIME) &&  in mnt_already_visible()
4557 		    ((mnt_flags & MNT_ATIME_MASK) != (new_flags & MNT_ATIME_MASK)))  in mnt_already_visible()
4567 			if (!(child->mnt.mnt_flags & MNT_LOCKED))  in mnt_already_visible()
4574 		*new_mnt_flags |= mnt_flags & (MNT_LOCK_READONLY | \  in mnt_already_visible()
4618 	return !(mnt->mnt_flags & MNT_NOSUID) && check_mnt(real_mount(mnt)) &&  in mnt_may_suid()