270 	return (mnt->mnt_flags & MNT_READONLY) || sb_rdonly(mnt->mnt_sb);  in __mnt_is_readonly()
346 	while (READ_ONCE(mnt->mnt.mnt_flags) & MNT_WRITE_HOLD)  in __mnt_want_write()
473 	mnt->mnt.mnt_flags |= MNT_WRITE_HOLD;  in mnt_hold_writers()
509 	mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD;  in mnt_unhold_writers()
518 		mnt->mnt.mnt_flags |= MNT_READONLY;  in mnt_make_readonly()
534 		if (!(mnt->mnt.mnt_flags & MNT_READONLY)) {  in sb_prepare_remount_readonly()
535 			mnt->mnt.mnt_flags |= MNT_WRITE_HOLD;  in sb_prepare_remount_readonly()
551 		if (mnt->mnt.mnt_flags & MNT_WRITE_HOLD)  in sb_prepare_remount_readonly()
552 			mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD;  in sb_prepare_remount_readonly()
591 	if (bastard->mnt_flags & MNT_SYNC_UMOUNT) {  in __legitimize_mnt()
596 	if (unlikely(bastard->mnt_flags & MNT_DOOMED)) {  in __legitimize_mnt()
679 	return mnt->mnt.mnt_flags & MNT_CURSOR;  in mnt_is_cursor()
977 		mnt->mnt.mnt_flags = MNT_INTERNAL;  in vfs_create_mount()
1070 	mnt->mnt.mnt_flags = old->mnt.mnt_flags;  in clone_mnt()
1071 	mnt->mnt.mnt_flags &= ~(MNT_WRITE_HOLD|MNT_MARKED|MNT_INTERNAL);  in clone_mnt()
1192 	if (unlikely(mnt->mnt.mnt_flags & MNT_DOOMED)) {  in mntput_no_expire()
1197 	mnt->mnt.mnt_flags |= MNT_DOOMED;  in mntput_no_expire()
1212 	if (likely(!(mnt->mnt.mnt_flags & MNT_INTERNAL))) {  in mntput_no_expire()
1282 	p->mnt.mnt_flags |= MNT_INTERNAL;  in mnt_clone_internal()
1481 	if (!(mnt->mnt_parent->mnt.mnt_flags & MNT_UMOUNT))  in disconnect_mount()
1510 		p->mnt.mnt_flags |= MNT_UMOUNT;  in umount_tree()
1536 			p->mnt.mnt_flags |= MNT_SYNC_UMOUNT;  in umount_tree()
1652 	if (mnt->mnt.mnt_flags & MNT_LOCKED)  in do_umount()
1699 		if (mnt->mnt.mnt_flags & MNT_UMOUNT) {  in __detach_mounts()
1738 	if (mnt->mnt.mnt_flags & MNT_LOCKED) /* Check optimistically */  in can_umount()
1852 				if (s->mnt.mnt_flags & MNT_LOCKED) {  in copy_tree()
1946 		if (child->mnt.mnt_flags & MNT_LOCKED)  in has_locked_children()
2014 		int flags = p->mnt.mnt_flags;  in lock_mnt_tree()
2032 		p->mnt.mnt_flags = flags;  in lock_mnt_tree()
2211 		child->mnt.mnt_flags &= ~MNT_LOCKED;  in attach_recursive_mnt()
2361 		mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in __do_loopback()
2511 static bool can_change_locked_flags(struct mount *mnt, unsigned int mnt_flags)  in can_change_locked_flags()  argument
2513 	unsigned int fl = mnt->mnt.mnt_flags;  in can_change_locked_flags()
2516 	    !(mnt_flags & MNT_READONLY))  in can_change_locked_flags()
2520 	    !(mnt_flags & MNT_NODEV))  in can_change_locked_flags()
2524 	    !(mnt_flags & MNT_NOSUID))  in can_change_locked_flags()
2528 	    !(mnt_flags & MNT_NOEXEC))  in can_change_locked_flags()
2532 	    ((fl & MNT_ATIME_MASK) != (mnt_flags & MNT_ATIME_MASK)))  in can_change_locked_flags()
2538 static int change_mount_ro_state(struct mount *mnt, unsigned int mnt_flags)  in change_mount_ro_state()  argument
2540 	bool readonly_request = (mnt_flags & MNT_READONLY);  in change_mount_ro_state()
2548 	mnt->mnt.mnt_flags &= ~MNT_READONLY;  in change_mount_ro_state()
2552 static void set_mount_attributes(struct mount *mnt, unsigned int mnt_flags)  in set_mount_attributes()  argument
2554 	mnt_flags |= mnt->mnt.mnt_flags & ~MNT_USER_SETTABLE_MASK;  in set_mount_attributes()
2555 	mnt->mnt.mnt_flags = mnt_flags;  in set_mount_attributes()
2586 static int do_reconfigure_mnt(struct path *path, unsigned int mnt_flags)  in do_reconfigure_mnt()  argument
2598 	if (!can_change_locked_flags(mnt, mnt_flags))  in do_reconfigure_mnt()
2607 	ret = change_mount_ro_state(mnt, mnt_flags);  in do_reconfigure_mnt()
2609 		set_mount_attributes(mnt, mnt_flags);  in do_reconfigure_mnt()
2624 		      int mnt_flags, void *data)  in do_remount()  argument
2637 	if (!can_change_locked_flags(mnt, mnt_flags))  in do_remount()
2653 				set_mount_attributes(mnt, mnt_flags);  in do_remount()
2804 	if (old->mnt.mnt_flags & MNT_LOCKED)  in do_move_mount()
2873 			struct path *path, int mnt_flags)  in do_add_mount()  argument
2877 	mnt_flags &= ~MNT_INTERNAL_FLAGS;  in do_add_mount()
2881 		if (!(mnt_flags & MNT_SHRINKABLE))  in do_add_mount()
2896 	newmnt->mnt.mnt_flags = mnt_flags;  in do_add_mount()
2907 			   unsigned int mnt_flags)  in do_new_mount_fc()  argument
2915 	if (!error && mount_too_revealing(sb, &mnt_flags))  in do_new_mount_fc()
2936 	error = do_add_mount(real_mount(mnt), mp, mountpoint, mnt_flags);  in do_new_mount_fc()
2948 			int mnt_flags, const char *name, void *data)  in do_new_mount()  argument
2990 		err = do_new_mount_fc(fc, path, mnt_flags);  in do_new_mount()
3044 	err = do_add_mount(mnt, mp, path, path->mnt->mnt_flags | MNT_SHRINKABLE);  in finish_automount()
3140 		if (!(mnt->mnt.mnt_flags & MNT_SHRINKABLE))  in select_submounts()
3246 	unsigned int mnt_flags = 0, sb_flags;  in path_mount()  local
3270 		mnt_flags |= MNT_RELATIME;  in path_mount()
3274 		mnt_flags |= MNT_NOSUID;  in path_mount()
3276 		mnt_flags |= MNT_NODEV;  in path_mount()
3278 		mnt_flags |= MNT_NOEXEC;  in path_mount()
3280 		mnt_flags |= MNT_NOATIME;  in path_mount()
3282 		mnt_flags |= MNT_NODIRATIME;  in path_mount()
3284 		mnt_flags &= ~(MNT_RELATIME | MNT_NOATIME);  in path_mount()
3286 		mnt_flags |= MNT_READONLY;  in path_mount()
3288 		mnt_flags |= MNT_NOSYMFOLLOW;  in path_mount()
3294 		mnt_flags &= ~MNT_ATIME_MASK;  in path_mount()
3295 		mnt_flags |= path->mnt->mnt_flags & MNT_ATIME_MASK;  in path_mount()
3308 		return do_reconfigure_mnt(path, mnt_flags);  in path_mount()
3310 		return do_remount(path, flags, sb_flags, mnt_flags, data_page);  in path_mount()
3318 	return do_new_mount(path, type_page, sb_flags, mnt_flags, dev_name,  in path_mount()
3562 	unsigned int mnt_flags = 0;  in attr_flags_to_mnt_flags()  local
3565 		mnt_flags |= MNT_READONLY;  in attr_flags_to_mnt_flags()
3567 		mnt_flags |= MNT_NOSUID;  in attr_flags_to_mnt_flags()
3569 		mnt_flags |= MNT_NODEV;  in attr_flags_to_mnt_flags()
3571 		mnt_flags |= MNT_NOEXEC;  in attr_flags_to_mnt_flags()
3573 		mnt_flags |= MNT_NODIRATIME;  in attr_flags_to_mnt_flags()
3575 		mnt_flags |= MNT_NOSYMFOLLOW;  in attr_flags_to_mnt_flags()
3577 	return mnt_flags;  in attr_flags_to_mnt_flags()
3593 	unsigned int mnt_flags = 0;  in SYSCALL_DEFINE3()  local
3605 	mnt_flags = attr_flags_to_mnt_flags(attr_flags);  in SYSCALL_DEFINE3()
3611 		mnt_flags |= MNT_NOATIME;  in SYSCALL_DEFINE3()
3614 		mnt_flags |= MNT_RELATIME;  in SYSCALL_DEFINE3()
3640 	if (mount_too_revealing(fc->root->d_sb, &mnt_flags)) {  in SYSCALL_DEFINE3()
3658 	newmount.mnt->mnt_flags = mnt_flags;  in SYSCALL_DEFINE3()
3859 	if (new_mnt->mnt.mnt_flags & MNT_LOCKED)  in SYSCALL_DEFINE2()
3885 	if (root_mnt->mnt.mnt_flags & MNT_LOCKED) {  in SYSCALL_DEFINE2()
3886 		new_mnt->mnt.mnt_flags |= MNT_LOCKED;  in SYSCALL_DEFINE2()
3887 		root_mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in SYSCALL_DEFINE2()
3917 	unsigned int flags = mnt->mnt.mnt_flags;  in recalc_flags()
3992 		    !(m->mnt.mnt_flags & MNT_READONLY)) {  in mount_setattr_prepare()
4027 			WRITE_ONCE(m->mnt.mnt_flags, flags);  in mount_setattr_commit()
4036 		    (m->mnt.mnt_flags & MNT_WRITE_HOLD))  in mount_setattr_commit()
4299 	mnt->mnt_flags |= MNT_LOCKED;  in init_mount_tree()
4428 		int mnt_flags;  in mnt_already_visible()  local
4443 		mnt_flags = mnt->mnt.mnt_flags;  in mnt_already_visible()
4447 			mnt_flags |= MNT_LOCK_READONLY;  in mnt_already_visible()
4452 		if ((mnt_flags & MNT_LOCK_READONLY) &&  in mnt_already_visible()
4455 		if ((mnt_flags & MNT_LOCK_ATIME) &&  in mnt_already_visible()
4456 		    ((mnt_flags & MNT_ATIME_MASK) != (new_flags & MNT_ATIME_MASK)))  in mnt_already_visible()
4466 			if (!(child->mnt.mnt_flags & MNT_LOCKED))  in mnt_already_visible()
4473 		*new_mnt_flags |= mnt_flags & (MNT_LOCK_READONLY | \  in mnt_already_visible()
4517 	return !(mnt->mnt_flags & MNT_NOSUID) && check_mnt(real_mount(mnt)) &&  in mnt_may_suid()