276 	if (mnt->mnt_flags & MNT_READONLY)  in __mnt_is_readonly()
356 	while (ACCESS_ONCE(mnt->mnt.mnt_flags) & MNT_WRITE_HOLD)  in __mnt_want_write()
498 	mnt->mnt.mnt_flags |= MNT_WRITE_HOLD;  in mnt_make_readonly()
524 		mnt->mnt.mnt_flags |= MNT_READONLY;  in mnt_make_readonly()
530 	mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD;  in mnt_make_readonly()
538 	mnt->mnt.mnt_flags &= ~MNT_READONLY;  in __mnt_unmake_readonly()
553 		if (!(mnt->mnt.mnt_flags & MNT_READONLY)) {  in sb_prepare_remount_readonly()
554 			mnt->mnt.mnt_flags |= MNT_WRITE_HOLD;  in sb_prepare_remount_readonly()
570 		if (mnt->mnt.mnt_flags & MNT_WRITE_HOLD)  in sb_prepare_remount_readonly()
571 			mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD;  in sb_prepare_remount_readonly()
604 	if (bastard->mnt_flags & MNT_SYNC_UMOUNT) {  in __legitimize_mnt()
650 	if (!(p->mnt.mnt_flags & MNT_UMOUNT))  in __lookup_mnt_last()
655 		if (!(p->mnt.mnt_flags & MNT_UMOUNT))  in __lookup_mnt_last()
946 		mnt->mnt.mnt_flags = MNT_INTERNAL;  in vfs_kern_mount()
988 	mnt->mnt.mnt_flags = old->mnt.mnt_flags & ~(MNT_WRITE_HOLD|MNT_MARKED);  in clone_mnt()
991 		mnt->mnt.mnt_flags |= MNT_LOCK_ATIME;  in clone_mnt()
993 		if (mnt->mnt.mnt_flags & MNT_READONLY)  in clone_mnt()
994 			mnt->mnt.mnt_flags |= MNT_LOCK_READONLY;  in clone_mnt()
996 		if (mnt->mnt.mnt_flags & MNT_NODEV)  in clone_mnt()
997 			mnt->mnt.mnt_flags |= MNT_LOCK_NODEV;  in clone_mnt()
999 		if (mnt->mnt.mnt_flags & MNT_NOSUID)  in clone_mnt()
1000 			mnt->mnt.mnt_flags |= MNT_LOCK_NOSUID;  in clone_mnt()
1002 		if (mnt->mnt.mnt_flags & MNT_NOEXEC)  in clone_mnt()
1003 			mnt->mnt.mnt_flags |= MNT_LOCK_NOEXEC;  in clone_mnt()
1009 		mnt->mnt.mnt_flags |= MNT_LOCKED;  in clone_mnt()
1104 	if (unlikely(mnt->mnt.mnt_flags & MNT_DOOMED)) {  in mntput_no_expire()
1109 	mnt->mnt.mnt_flags |= MNT_DOOMED;  in mntput_no_expire()
1122 	if (likely(!(mnt->mnt.mnt_flags & MNT_INTERNAL))) {  in mntput_no_expire()
1162 	p->mnt.mnt_flags |= MNT_INTERNAL;  in mnt_clone_internal()
1379 	if (!(mnt->mnt_parent->mnt.mnt_flags & MNT_UMOUNT))  in disconnect_mount()
1408 		p->mnt.mnt_flags |= MNT_UMOUNT;  in umount_tree()
1429 			p->mnt.mnt_flags |= MNT_SYNC_UMOUNT;  in umount_tree()
1567 		if (mnt->mnt.mnt_flags & MNT_UMOUNT) {  in __detach_mounts()
1620 	if (mnt->mnt.mnt_flags & MNT_LOCKED)  in SYSCALL_DEFINE2()
2061 		if (child->mnt.mnt_flags & MNT_LOCKED)  in has_locked_children()
2118 	mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in do_loopback()
2155 static int do_remount(struct path *path, int flags, int mnt_flags,  in do_remount()  argument
2174 	if ((mnt->mnt.mnt_flags & MNT_LOCK_READONLY) &&  in do_remount()
2175 	    !(mnt_flags & MNT_READONLY)) {  in do_remount()
2178 	if ((mnt->mnt.mnt_flags & MNT_LOCK_NODEV) &&  in do_remount()
2179 	    !(mnt_flags & MNT_NODEV)) {  in do_remount()
2183 			mnt_flags |= MNT_NODEV;  in do_remount()
2188 	if ((mnt->mnt.mnt_flags & MNT_LOCK_NOSUID) &&  in do_remount()
2189 	    !(mnt_flags & MNT_NOSUID)) {  in do_remount()
2192 	if ((mnt->mnt.mnt_flags & MNT_LOCK_NOEXEC) &&  in do_remount()
2193 	    !(mnt_flags & MNT_NOEXEC)) {  in do_remount()
2196 	if ((mnt->mnt.mnt_flags & MNT_LOCK_ATIME) &&  in do_remount()
2197 	    ((mnt->mnt.mnt_flags & MNT_ATIME_MASK) != (mnt_flags & MNT_ATIME_MASK))) {  in do_remount()
2214 		mnt_flags |= mnt->mnt.mnt_flags & ~MNT_USER_SETTABLE_MASK;  in do_remount()
2215 		mnt->mnt.mnt_flags = mnt_flags;  in do_remount()
2258 	if (old->mnt.mnt_flags & MNT_LOCKED)  in do_move_mount()
2329 static int do_add_mount(struct mount *newmnt, struct path *path, int mnt_flags)  in do_add_mount()  argument
2335 	mnt_flags &= ~MNT_INTERNAL_FLAGS;  in do_add_mount()
2345 		if (!(mnt_flags & MNT_SHRINKABLE))  in do_add_mount()
2362 	newmnt->mnt.mnt_flags = mnt_flags;  in do_add_mount()
2377 			int mnt_flags, const char *name, void *data)  in do_new_mount()  argument
2401 			mnt_flags |= MNT_NODEV | MNT_LOCK_NODEV;  in do_new_mount()
2404 			if (!fs_fully_visible(type, &mnt_flags))  in do_new_mount()
2418 	err = do_add_mount(real_mount(mnt), path, mnt_flags);  in do_new_mount()
2439 	err = do_add_mount(mnt, path, path->mnt->mnt_flags | MNT_SHRINKABLE);  in finish_automount()
2528 		if (!(mnt->mnt.mnt_flags & MNT_SHRINKABLE))  in select_submounts()
2661 	int mnt_flags = 0;  in do_mount()  local
2685 		mnt_flags |= MNT_RELATIME;  in do_mount()
2689 		mnt_flags |= MNT_NOSUID;  in do_mount()
2691 		mnt_flags |= MNT_NODEV;  in do_mount()
2693 		mnt_flags |= MNT_NOEXEC;  in do_mount()
2695 		mnt_flags |= MNT_NOATIME;  in do_mount()
2697 		mnt_flags |= MNT_NODIRATIME;  in do_mount()
2699 		mnt_flags &= ~(MNT_RELATIME | MNT_NOATIME);  in do_mount()
2701 		mnt_flags |= MNT_READONLY;  in do_mount()
2707 		mnt_flags &= ~MNT_ATIME_MASK;  in do_mount()
2708 		mnt_flags |= path.mnt->mnt_flags & MNT_ATIME_MASK;  in do_mount()
2716 		retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,  in do_mount()
2725 		retval = do_new_mount(&path, type_page, flags, mnt_flags,  in do_mount()
3016 	if (new_mnt->mnt.mnt_flags & MNT_LOCKED)  in SYSCALL_DEFINE2()
3044 	if (root_mnt->mnt.mnt_flags & MNT_LOCKED) {  in SYSCALL_DEFINE2()
3045 		new_mnt->mnt.mnt_flags |= MNT_LOCKED;  in SYSCALL_DEFINE2()
3046 		root_mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in SYSCALL_DEFINE2()
3099 	mnt->mnt_flags |= MNT_LOCKED;  in init_mount_tree()
3221 		int mnt_flags;  in fs_fully_visible()  local
3235 		mnt_flags = mnt->mnt.mnt_flags;  in fs_fully_visible()
3237 			mnt_flags &= ~(MNT_LOCK_NOSUID | MNT_LOCK_NOEXEC);  in fs_fully_visible()
3242 		if ((mnt_flags & MNT_LOCK_READONLY) &&  in fs_fully_visible()
3245 		if ((mnt_flags & MNT_LOCK_NODEV) &&  in fs_fully_visible()
3248 		if ((mnt_flags & MNT_LOCK_NOSUID) &&  in fs_fully_visible()
3251 		if ((mnt_flags & MNT_LOCK_NOEXEC) &&  in fs_fully_visible()
3254 		if ((mnt_flags & MNT_LOCK_ATIME) &&  in fs_fully_visible()
3255 		    ((mnt_flags & MNT_ATIME_MASK) != (new_flags & MNT_ATIME_MASK)))  in fs_fully_visible()
3265 			if (!(mnt_flags & MNT_LOCKED))  in fs_fully_visible()
3272 		*new_mnt_flags |= mnt_flags & (MNT_LOCK_READONLY | \  in fs_fully_visible()