249 	return (mnt->mnt_flags & MNT_READONLY) || sb_rdonly(mnt->mnt_sb);  in __mnt_is_readonly()
325 	while (READ_ONCE(mnt->mnt.mnt_flags) & MNT_WRITE_HOLD)  in __mnt_want_write()
468 	mnt->mnt.mnt_flags |= MNT_WRITE_HOLD;  in mnt_make_readonly()
494 		mnt->mnt.mnt_flags |= MNT_READONLY;  in mnt_make_readonly()
500 	mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD;  in mnt_make_readonly()
508 	mnt->mnt.mnt_flags &= ~MNT_READONLY;  in __mnt_unmake_readonly()
524 		if (!(mnt->mnt.mnt_flags & MNT_READONLY)) {  in sb_prepare_remount_readonly()
525 			mnt->mnt.mnt_flags |= MNT_WRITE_HOLD;  in sb_prepare_remount_readonly()
541 		if (mnt->mnt.mnt_flags & MNT_WRITE_HOLD)  in sb_prepare_remount_readonly()
542 			mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD;  in sb_prepare_remount_readonly()
576 	if (bastard->mnt_flags & MNT_SYNC_UMOUNT) {  in __legitimize_mnt()
581 	if (unlikely(bastard->mnt_flags & MNT_DOOMED)) {  in __legitimize_mnt()
664 	return mnt->mnt.mnt_flags & MNT_CURSOR;  in mnt_is_cursor()
962 		mnt->mnt.mnt_flags = MNT_INTERNAL;  in vfs_create_mount()
1055 	mnt->mnt.mnt_flags = old->mnt.mnt_flags;  in clone_mnt()
1056 	mnt->mnt.mnt_flags &= ~(MNT_WRITE_HOLD|MNT_MARKED|MNT_INTERNAL);  in clone_mnt()
1174 	if (unlikely(mnt->mnt.mnt_flags & MNT_DOOMED)) {  in mntput_no_expire()
1179 	mnt->mnt.mnt_flags |= MNT_DOOMED;  in mntput_no_expire()
1194 	if (likely(!(mnt->mnt.mnt_flags & MNT_INTERNAL))) {  in mntput_no_expire()
1263 	p->mnt.mnt_flags |= MNT_INTERNAL;  in mnt_clone_internal()
1462 	if (!(mnt->mnt_parent->mnt.mnt_flags & MNT_UMOUNT))  in disconnect_mount()
1491 		p->mnt.mnt_flags |= MNT_UMOUNT;  in umount_tree()
1517 			p->mnt.mnt_flags |= MNT_SYNC_UMOUNT;  in umount_tree()
1633 	if (mnt->mnt.mnt_flags & MNT_LOCKED)  in do_umount()
1680 		if (mnt->mnt.mnt_flags & MNT_UMOUNT) {  in __detach_mounts()
1727 	if (mnt->mnt.mnt_flags & MNT_LOCKED) /* Check optimistically */  in can_umount()
1841 				if (s->mnt.mnt_flags & MNT_LOCKED) {  in copy_tree()
1935 		if (child->mnt.mnt_flags & MNT_LOCKED)  in has_locked_children()
2002 		int flags = p->mnt.mnt_flags;  in lock_mnt_tree()
2020 		p->mnt.mnt_flags = flags;  in lock_mnt_tree()
2199 		child->mnt.mnt_flags &= ~MNT_LOCKED;  in attach_recursive_mnt()
2349 		mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in __do_loopback()
2499 static bool can_change_locked_flags(struct mount *mnt, unsigned int mnt_flags)  in can_change_locked_flags()  argument
2501 	unsigned int fl = mnt->mnt.mnt_flags;  in can_change_locked_flags()
2504 	    !(mnt_flags & MNT_READONLY))  in can_change_locked_flags()
2508 	    !(mnt_flags & MNT_NODEV))  in can_change_locked_flags()
2512 	    !(mnt_flags & MNT_NOSUID))  in can_change_locked_flags()
2516 	    !(mnt_flags & MNT_NOEXEC))  in can_change_locked_flags()
2520 	    ((fl & MNT_ATIME_MASK) != (mnt_flags & MNT_ATIME_MASK)))  in can_change_locked_flags()
2526 static int change_mount_ro_state(struct mount *mnt, unsigned int mnt_flags)  in change_mount_ro_state()  argument
2528 	bool readonly_request = (mnt_flags & MNT_READONLY);  in change_mount_ro_state()
2543 static void set_mount_attributes(struct mount *mnt, unsigned int mnt_flags)  in set_mount_attributes()  argument
2546 	mnt_flags |= mnt->mnt.mnt_flags & ~MNT_USER_SETTABLE_MASK;  in set_mount_attributes()
2547 	mnt->mnt.mnt_flags = mnt_flags;  in set_mount_attributes()
2579 static int do_reconfigure_mnt(struct path *path, unsigned int mnt_flags)  in do_reconfigure_mnt()  argument
2591 	if (!can_change_locked_flags(mnt, mnt_flags))  in do_reconfigure_mnt()
2595 	ret = change_mount_ro_state(mnt, mnt_flags);  in do_reconfigure_mnt()
2597 		set_mount_attributes(mnt, mnt_flags);  in do_reconfigure_mnt()
2611 		      int mnt_flags, void *data)  in do_remount()  argument
2624 	if (!can_change_locked_flags(mnt, mnt_flags))  in do_remount()
2639 				set_mount_attributes(mnt, mnt_flags);  in do_remount()
2716 	if (old->mnt.mnt_flags & MNT_LOCKED)  in do_move_mount()
2785 			struct path *path, int mnt_flags)  in do_add_mount()  argument
2789 	mnt_flags &= ~MNT_INTERNAL_FLAGS;  in do_add_mount()
2793 		if (!(mnt_flags & MNT_SHRINKABLE))  in do_add_mount()
2808 	newmnt->mnt.mnt_flags = mnt_flags;  in do_add_mount()
2819 			   unsigned int mnt_flags)  in do_new_mount_fc()  argument
2827 	if (!error && mount_too_revealing(sb, &mnt_flags))  in do_new_mount_fc()
2848 	error = do_add_mount(real_mount(mnt), mp, mountpoint, mnt_flags);  in do_new_mount_fc()
2860 			int mnt_flags, const char *name, void *data)  in do_new_mount()  argument
2902 		err = do_new_mount_fc(fc, path, mnt_flags);  in do_new_mount()
2956 	err = do_add_mount(mnt, mp, path, path->mnt->mnt_flags | MNT_SHRINKABLE);  in finish_automount()
3052 		if (!(mnt->mnt.mnt_flags & MNT_SHRINKABLE))  in select_submounts()
3158 	unsigned int mnt_flags = 0, sb_flags;  in path_mount()  local
3182 		mnt_flags |= MNT_RELATIME;  in path_mount()
3186 		mnt_flags |= MNT_NOSUID;  in path_mount()
3188 		mnt_flags |= MNT_NODEV;  in path_mount()
3190 		mnt_flags |= MNT_NOEXEC;  in path_mount()
3192 		mnt_flags |= MNT_NOATIME;  in path_mount()
3194 		mnt_flags |= MNT_NODIRATIME;  in path_mount()
3196 		mnt_flags &= ~(MNT_RELATIME | MNT_NOATIME);  in path_mount()
3198 		mnt_flags |= MNT_READONLY;  in path_mount()
3200 		mnt_flags |= MNT_NOSYMFOLLOW;  in path_mount()
3206 		mnt_flags &= ~MNT_ATIME_MASK;  in path_mount()
3207 		mnt_flags |= path->mnt->mnt_flags & MNT_ATIME_MASK;  in path_mount()
3220 		return do_reconfigure_mnt(path, mnt_flags);  in path_mount()
3222 		return do_remount(path, flags, sb_flags, mnt_flags, data_page);  in path_mount()
3230 	return do_new_mount(path, type_page, sb_flags, mnt_flags, dev_name,  in path_mount()
3475 	unsigned int mnt_flags = 0;  in SYSCALL_DEFINE3()  local
3493 		mnt_flags |= MNT_READONLY;  in SYSCALL_DEFINE3()
3495 		mnt_flags |= MNT_NOSUID;  in SYSCALL_DEFINE3()
3497 		mnt_flags |= MNT_NODEV;  in SYSCALL_DEFINE3()
3499 		mnt_flags |= MNT_NOEXEC;  in SYSCALL_DEFINE3()
3501 		mnt_flags |= MNT_NODIRATIME;  in SYSCALL_DEFINE3()
3507 		mnt_flags |= MNT_NOATIME;  in SYSCALL_DEFINE3()
3510 		mnt_flags |= MNT_RELATIME;  in SYSCALL_DEFINE3()
3536 	if (mount_too_revealing(fc->root->d_sb, &mnt_flags)) {  in SYSCALL_DEFINE3()
3555 	newmount.mnt->mnt_flags = mnt_flags;  in SYSCALL_DEFINE3()
3753 	if (new_mnt->mnt.mnt_flags & MNT_LOCKED)  in SYSCALL_DEFINE2()
3779 	if (root_mnt->mnt.mnt_flags & MNT_LOCKED) {  in SYSCALL_DEFINE2()
3780 		new_mnt->mnt.mnt_flags |= MNT_LOCKED;  in SYSCALL_DEFINE2()
3781 		root_mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in SYSCALL_DEFINE2()
3833 	mnt->mnt_flags |= MNT_LOCKED;  in init_mount_tree()
3962 		int mnt_flags;  in mnt_already_visible()  local
3977 		mnt_flags = mnt->mnt.mnt_flags;  in mnt_already_visible()
3981 			mnt_flags |= MNT_LOCK_READONLY;  in mnt_already_visible()
3986 		if ((mnt_flags & MNT_LOCK_READONLY) &&  in mnt_already_visible()
3989 		if ((mnt_flags & MNT_LOCK_ATIME) &&  in mnt_already_visible()
3990 		    ((mnt_flags & MNT_ATIME_MASK) != (new_flags & MNT_ATIME_MASK)))  in mnt_already_visible()
4000 			if (!(child->mnt.mnt_flags & MNT_LOCKED))  in mnt_already_visible()
4007 		*new_mnt_flags |= mnt_flags & (MNT_LOCK_READONLY | \  in mnt_already_visible()
4051 	return !(mnt->mnt_flags & MNT_NOSUID) && check_mnt(real_mount(mnt)) &&  in mnt_may_suid()