361 	return (mnt->mnt_flags & MNT_READONLY) || sb_rdonly(mnt->mnt_sb);  in __mnt_is_readonly()
689 		mnt->mnt.mnt_flags |= MNT_READONLY;  in mnt_make_readonly()
705 		if (!(m->mnt.mnt_flags & MNT_READONLY)) {  in sb_prepare_remount_readonly()
753 	if (unlikely(bastard->mnt_flags & (MNT_SYNC_UMOUNT | MNT_DOOMED))) {  in __legitimize_mnt()
1183 		mnt->mnt.mnt_flags = MNT_INTERNAL;  in vfs_create_mount()
1250 	mnt->mnt.mnt_flags = READ_ONCE(old->mnt.mnt_flags) &  in clone_mnt()
1353 	if (unlikely(mnt->mnt.mnt_flags & MNT_DOOMED)) {  in mntput_no_expire_slowpath()
1358 	mnt->mnt.mnt_flags |= MNT_DOOMED;  in mntput_no_expire_slowpath()
1375 	if (likely(!(mnt->mnt.mnt_flags & MNT_INTERNAL))) {  in mntput_no_expire_slowpath()
1476 	p->mnt.mnt_flags |= MNT_INTERNAL;  in mnt_clone_internal()
1752 	if (!(mnt->mnt_parent->mnt.mnt_flags & MNT_UMOUNT))  in disconnect_mount()
1781 		p->mnt.mnt_flags |= MNT_UMOUNT;  in umount_tree()
1811 			p->mnt.mnt_flags |= MNT_SYNC_UMOUNT;  in umount_tree()
1941 	if (mnt->mnt.mnt_flags & MNT_LOCKED)  in do_umount()
1990 		if (mnt->mnt.mnt_flags & MNT_UMOUNT) {  in __detach_mounts()
2027 	if (mnt->mnt.mnt_flags & MNT_LOCKED) /* Check optimistically */  in can_umount()
2183 				if (src_mnt->mnt.mnt_flags & MNT_LOCKED) {  in copy_tree()
2208 			if (src_mnt->mnt.mnt_flags & MNT_LOCKED)  in copy_tree()
2209 				dst_mnt->mnt.mnt_flags |= MNT_LOCKED;  in copy_tree()
2331 		if (child->mnt.mnt_flags & MNT_LOCKED)  in __has_locked_children()
2417 		int flags = p->mnt.mnt_flags;  in lock_mnt_tree()
2435 		p->mnt.mnt_flags = flags;  in lock_mnt_tree()
3129 		if (mnt->mnt.mnt_flags & MNT_LOCKED)  in create_new_namespace()
3147 			mnt->mnt.mnt_flags |= MNT_LOCKED;  in create_new_namespace()
3239 static bool can_change_locked_flags(struct mount *mnt, unsigned int mnt_flags)  in can_change_locked_flags()  argument
3241 	unsigned int fl = mnt->mnt.mnt_flags;  in can_change_locked_flags()
3244 	    !(mnt_flags & MNT_READONLY))  in can_change_locked_flags()
3248 	    !(mnt_flags & MNT_NODEV))  in can_change_locked_flags()
3252 	    !(mnt_flags & MNT_NOSUID))  in can_change_locked_flags()
3256 	    !(mnt_flags & MNT_NOEXEC))  in can_change_locked_flags()
3260 	    ((fl & MNT_ATIME_MASK) != (mnt_flags & MNT_ATIME_MASK)))  in can_change_locked_flags()
3266 static int change_mount_ro_state(struct mount *mnt, unsigned int mnt_flags)  in change_mount_ro_state()  argument
3268 	bool readonly_request = (mnt_flags & MNT_READONLY);  in change_mount_ro_state()
3276 	mnt->mnt.mnt_flags &= ~MNT_READONLY;  in change_mount_ro_state()
3280 static void set_mount_attributes(struct mount *mnt, unsigned int mnt_flags)  in set_mount_attributes()  argument
3282 	mnt_flags |= mnt->mnt.mnt_flags & ~MNT_USER_SETTABLE_MASK;  in set_mount_attributes()
3283 	mnt->mnt.mnt_flags = mnt_flags;  in set_mount_attributes()
3322 static int do_reconfigure_mnt(const struct path *path, unsigned int mnt_flags)  in do_reconfigure_mnt()  argument
3334 	if (!can_change_locked_flags(mnt, mnt_flags))  in do_reconfigure_mnt()
3343 	ret = change_mount_ro_state(mnt, mnt_flags);  in do_reconfigure_mnt()
3345 		set_mount_attributes(mnt, mnt_flags);  in do_reconfigure_mnt()
3360 		      int mnt_flags, void *data)  in do_remount()  argument
3373 	if (!can_change_locked_flags(mnt, mnt_flags))  in do_remount()
3394 				set_mount_attributes(mnt, mnt_flags);  in do_remount()
3723 			int mnt_flags)  in do_add_mount()  argument
3730 	mnt_flags &= ~MNT_INTERNAL_FLAGS;  in do_add_mount()
3734 		if (!(mnt_flags & MNT_SHRINKABLE))  in do_add_mount()
3749 	newmnt->mnt.mnt_flags = mnt_flags;  in do_add_mount()
3760 			   unsigned int mnt_flags)  in do_new_mount_fc()  argument
3774 	if (unlikely(mount_too_revealing(sb, &mnt_flags))) {  in do_new_mount_fc()
3782 	error = do_add_mount(real_mount(mnt), &mp, mnt_flags);  in do_new_mount_fc()
3793 			int sb_flags, int mnt_flags,  in do_new_mount()  argument
3839 		err = do_new_mount_fc(fc, path, mnt_flags);  in do_new_mount()
3903 	err = do_add_mount(mnt, &mp, path->mnt->mnt_flags | MNT_SHRINKABLE);  in finish_automount()
3981 		if (!(mnt->mnt.mnt_flags & MNT_SHRINKABLE))  in select_submounts()
4087 	unsigned int mnt_flags = 0, sb_flags;  in path_mount()  local
4111 		mnt_flags |= MNT_RELATIME;  in path_mount()
4115 		mnt_flags |= MNT_NOSUID;  in path_mount()
4117 		mnt_flags |= MNT_NODEV;  in path_mount()
4119 		mnt_flags |= MNT_NOEXEC;  in path_mount()
4121 		mnt_flags |= MNT_NOATIME;  in path_mount()
4123 		mnt_flags |= MNT_NODIRATIME;  in path_mount()
4125 		mnt_flags &= ~(MNT_RELATIME | MNT_NOATIME);  in path_mount()
4127 		mnt_flags |= MNT_READONLY;  in path_mount()
4129 		mnt_flags |= MNT_NOSYMFOLLOW;  in path_mount()
4135 		mnt_flags &= ~MNT_ATIME_MASK;  in path_mount()
4136 		mnt_flags |= path->mnt->mnt_flags & MNT_ATIME_MASK;  in path_mount()
4149 		return do_reconfigure_mnt(path, mnt_flags);  in path_mount()
4151 		return do_remount(path, sb_flags, mnt_flags, data_page);  in path_mount()
4159 	return do_new_mount(path, type_page, sb_flags, mnt_flags, dev_name,  in path_mount()
4384 	unsigned int mnt_flags = 0;  in attr_flags_to_mnt_flags()  local
4387 		mnt_flags |= MNT_READONLY;  in attr_flags_to_mnt_flags()
4389 		mnt_flags |= MNT_NOSUID;  in attr_flags_to_mnt_flags()
4391 		mnt_flags |= MNT_NODEV;  in attr_flags_to_mnt_flags()
4393 		mnt_flags |= MNT_NOEXEC;  in attr_flags_to_mnt_flags()
4395 		mnt_flags |= MNT_NODIRATIME;  in attr_flags_to_mnt_flags()
4397 		mnt_flags |= MNT_NOSYMFOLLOW;  in attr_flags_to_mnt_flags()
4399 	return mnt_flags;  in attr_flags_to_mnt_flags()
4414 	unsigned int mnt_flags = 0;  in SYSCALL_DEFINE3()  local
4426 	mnt_flags = attr_flags_to_mnt_flags(attr_flags);  in SYSCALL_DEFINE3()
4432 		mnt_flags |= MNT_NOATIME;  in SYSCALL_DEFINE3()
4435 		mnt_flags |= MNT_RELATIME;  in SYSCALL_DEFINE3()
4461 	if (mount_too_revealing(fc->root->d_sb, &mnt_flags)) {  in SYSCALL_DEFINE3()
4476 	new_mnt->mnt_flags = mnt_flags;  in SYSCALL_DEFINE3()
4660 	if (new_mnt->mnt.mnt_flags & MNT_LOCKED)  in path_pivot_root()
4682 	if (root_mnt->mnt.mnt_flags & MNT_LOCKED) {  in path_pivot_root()
4683 		new_mnt->mnt.mnt_flags |= MNT_LOCKED;  in path_pivot_root()
4684 		root_mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in path_pivot_root()
4748 	unsigned int flags = mnt->mnt.mnt_flags;  in recalc_flags()
4812 		(mnt->mnt.mnt_flags & MNT_READONLY)) &&  in mnt_allow_writers()
4874 		WRITE_ONCE(m->mnt.mnt_flags, flags);  in mount_setattr_commit()
5212 	unsigned int mnt_flags = READ_ONCE(mnt->mnt_flags);  in mnt_to_attr_flags()  local
5215 	if (mnt_flags & MNT_READONLY)  in mnt_to_attr_flags()
5217 	if (mnt_flags & MNT_NOSUID)  in mnt_to_attr_flags()
5219 	if (mnt_flags & MNT_NODEV)  in mnt_to_attr_flags()
5221 	if (mnt_flags & MNT_NOEXEC)  in mnt_to_attr_flags()
5223 	if (mnt_flags & MNT_NODIRATIME)  in mnt_to_attr_flags()
5225 	if (mnt_flags & MNT_NOSYMFOLLOW)  in mnt_to_attr_flags()
5228 	if (mnt_flags & MNT_NOATIME)  in mnt_to_attr_flags()
5230 	else if (mnt_flags & MNT_RELATIME)  in mnt_to_attr_flags()
6318 		int mnt_flags;  in mnt_already_visible()  local
6330 		mnt_flags = mnt->mnt.mnt_flags;  in mnt_already_visible()
6334 			mnt_flags |= MNT_LOCK_READONLY;  in mnt_already_visible()
6339 		if ((mnt_flags & MNT_LOCK_READONLY) &&  in mnt_already_visible()
6342 		if ((mnt_flags & MNT_LOCK_ATIME) &&  in mnt_already_visible()
6343 		    ((mnt_flags & MNT_ATIME_MASK) != (new_flags & MNT_ATIME_MASK)))  in mnt_already_visible()
6353 			if (!(child->mnt.mnt_flags & MNT_LOCKED))  in mnt_already_visible()
6360 		*new_mnt_flags |= mnt_flags & (MNT_LOCK_READONLY | \  in mnt_already_visible()
6400 	return !(mnt->mnt_flags & MNT_NOSUID) && check_mnt(real_mount(mnt)) &&  in mnt_may_suid()