248 	return (mnt->mnt_flags & MNT_READONLY) || sb_rdonly(mnt->mnt_sb);  in __mnt_is_readonly()
324 	while (READ_ONCE(mnt->mnt.mnt_flags) & MNT_WRITE_HOLD)  in __mnt_want_write()
467 	mnt->mnt.mnt_flags |= MNT_WRITE_HOLD;  in mnt_make_readonly()
493 		mnt->mnt.mnt_flags |= MNT_READONLY;  in mnt_make_readonly()
499 	mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD;  in mnt_make_readonly()
507 	mnt->mnt.mnt_flags &= ~MNT_READONLY;  in __mnt_unmake_readonly()
523 		if (!(mnt->mnt.mnt_flags & MNT_READONLY)) {  in sb_prepare_remount_readonly()
524 			mnt->mnt.mnt_flags |= MNT_WRITE_HOLD;  in sb_prepare_remount_readonly()
540 		if (mnt->mnt.mnt_flags & MNT_WRITE_HOLD)  in sb_prepare_remount_readonly()
541 			mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD;  in sb_prepare_remount_readonly()
575 	if (bastard->mnt_flags & MNT_SYNC_UMOUNT) {  in __legitimize_mnt()
580 	if (unlikely(bastard->mnt_flags & MNT_DOOMED)) {  in __legitimize_mnt()
663 	return mnt->mnt.mnt_flags & MNT_CURSOR;  in mnt_is_cursor()
961 		mnt->mnt.mnt_flags = MNT_INTERNAL;  in vfs_create_mount()
1054 	mnt->mnt.mnt_flags = old->mnt.mnt_flags;  in clone_mnt()
1055 	mnt->mnt.mnt_flags &= ~(MNT_WRITE_HOLD|MNT_MARKED|MNT_INTERNAL);  in clone_mnt()
1173 	if (unlikely(mnt->mnt.mnt_flags & MNT_DOOMED)) {  in mntput_no_expire()
1178 	mnt->mnt.mnt_flags |= MNT_DOOMED;  in mntput_no_expire()
1193 	if (likely(!(mnt->mnt.mnt_flags & MNT_INTERNAL))) {  in mntput_no_expire()
1262 	p->mnt.mnt_flags |= MNT_INTERNAL;  in mnt_clone_internal()
1461 	if (!(mnt->mnt_parent->mnt.mnt_flags & MNT_UMOUNT))  in disconnect_mount()
1490 		p->mnt.mnt_flags |= MNT_UMOUNT;  in umount_tree()
1516 			p->mnt.mnt_flags |= MNT_SYNC_UMOUNT;  in umount_tree()
1632 	if (mnt->mnt.mnt_flags & MNT_LOCKED)  in do_umount()
1679 		if (mnt->mnt.mnt_flags & MNT_UMOUNT) {  in __detach_mounts()
1726 	if (mnt->mnt.mnt_flags & MNT_LOCKED) /* Check optimistically */  in can_umount()
1840 				if (s->mnt.mnt_flags & MNT_LOCKED) {  in copy_tree()
1934 		if (child->mnt.mnt_flags & MNT_LOCKED)  in has_locked_children()
2001 		int flags = p->mnt.mnt_flags;  in lock_mnt_tree()
2019 		p->mnt.mnt_flags = flags;  in lock_mnt_tree()
2198 		child->mnt.mnt_flags &= ~MNT_LOCKED;  in attach_recursive_mnt()
2348 		mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in __do_loopback()
2498 static bool can_change_locked_flags(struct mount *mnt, unsigned int mnt_flags)  in can_change_locked_flags()  argument
2500 	unsigned int fl = mnt->mnt.mnt_flags;  in can_change_locked_flags()
2503 	    !(mnt_flags & MNT_READONLY))  in can_change_locked_flags()
2507 	    !(mnt_flags & MNT_NODEV))  in can_change_locked_flags()
2511 	    !(mnt_flags & MNT_NOSUID))  in can_change_locked_flags()
2515 	    !(mnt_flags & MNT_NOEXEC))  in can_change_locked_flags()
2519 	    ((fl & MNT_ATIME_MASK) != (mnt_flags & MNT_ATIME_MASK)))  in can_change_locked_flags()
2525 static int change_mount_ro_state(struct mount *mnt, unsigned int mnt_flags)  in change_mount_ro_state()  argument
2527 	bool readonly_request = (mnt_flags & MNT_READONLY);  in change_mount_ro_state()
2542 static void set_mount_attributes(struct mount *mnt, unsigned int mnt_flags)  in set_mount_attributes()  argument
2545 	mnt_flags |= mnt->mnt.mnt_flags & ~MNT_USER_SETTABLE_MASK;  in set_mount_attributes()
2546 	mnt->mnt.mnt_flags = mnt_flags;  in set_mount_attributes()
2578 static int do_reconfigure_mnt(struct path *path, unsigned int mnt_flags)  in do_reconfigure_mnt()  argument
2590 	if (!can_change_locked_flags(mnt, mnt_flags))  in do_reconfigure_mnt()
2594 	ret = change_mount_ro_state(mnt, mnt_flags);  in do_reconfigure_mnt()
2596 		set_mount_attributes(mnt, mnt_flags);  in do_reconfigure_mnt()
2610 		      int mnt_flags, void *data)  in do_remount()  argument
2623 	if (!can_change_locked_flags(mnt, mnt_flags))  in do_remount()
2643 				set_mount_attributes(mnt, mnt_flags);  in do_remount()
2720 	if (old->mnt.mnt_flags & MNT_LOCKED)  in do_move_mount()
2789 			struct path *path, int mnt_flags)  in do_add_mount()  argument
2793 	mnt_flags &= ~MNT_INTERNAL_FLAGS;  in do_add_mount()
2797 		if (!(mnt_flags & MNT_SHRINKABLE))  in do_add_mount()
2812 	newmnt->mnt.mnt_flags = mnt_flags;  in do_add_mount()
2823 			   unsigned int mnt_flags)  in do_new_mount_fc()  argument
2831 	if (!error && mount_too_revealing(sb, &mnt_flags))  in do_new_mount_fc()
2852 	error = do_add_mount(real_mount(mnt), mp, mountpoint, mnt_flags);  in do_new_mount_fc()
2864 			int mnt_flags, const char *name, void *data)  in do_new_mount()  argument
2912 		err = do_new_mount_fc(fc, path, mnt_flags);  in do_new_mount()
2966 	err = do_add_mount(mnt, mp, path, path->mnt->mnt_flags | MNT_SHRINKABLE);  in finish_automount()
3062 		if (!(mnt->mnt.mnt_flags & MNT_SHRINKABLE))  in select_submounts()
3168 	unsigned int mnt_flags = 0, sb_flags;  in path_mount()  local
3192 		mnt_flags |= MNT_RELATIME;  in path_mount()
3196 		mnt_flags |= MNT_NOSUID;  in path_mount()
3198 		mnt_flags |= MNT_NODEV;  in path_mount()
3200 		mnt_flags |= MNT_NOEXEC;  in path_mount()
3202 		mnt_flags |= MNT_NOATIME;  in path_mount()
3204 		mnt_flags |= MNT_NODIRATIME;  in path_mount()
3206 		mnt_flags &= ~(MNT_RELATIME | MNT_NOATIME);  in path_mount()
3208 		mnt_flags |= MNT_READONLY;  in path_mount()
3210 		mnt_flags |= MNT_NOSYMFOLLOW;  in path_mount()
3216 		mnt_flags &= ~MNT_ATIME_MASK;  in path_mount()
3217 		mnt_flags |= path->mnt->mnt_flags & MNT_ATIME_MASK;  in path_mount()
3230 		return do_reconfigure_mnt(path, mnt_flags);  in path_mount()
3232 		return do_remount(path, flags, sb_flags, mnt_flags, data_page);  in path_mount()
3240 	return do_new_mount(path, type_page, sb_flags, mnt_flags, dev_name,  in path_mount()
3485 	unsigned int mnt_flags = 0;  in SYSCALL_DEFINE3()  local
3503 		mnt_flags |= MNT_READONLY;  in SYSCALL_DEFINE3()
3505 		mnt_flags |= MNT_NOSUID;  in SYSCALL_DEFINE3()
3507 		mnt_flags |= MNT_NODEV;  in SYSCALL_DEFINE3()
3509 		mnt_flags |= MNT_NOEXEC;  in SYSCALL_DEFINE3()
3511 		mnt_flags |= MNT_NODIRATIME;  in SYSCALL_DEFINE3()
3517 		mnt_flags |= MNT_NOATIME;  in SYSCALL_DEFINE3()
3520 		mnt_flags |= MNT_RELATIME;  in SYSCALL_DEFINE3()
3546 	if (mount_too_revealing(fc->root->d_sb, &mnt_flags)) {  in SYSCALL_DEFINE3()
3565 	newmount.mnt->mnt_flags = mnt_flags;  in SYSCALL_DEFINE3()
3763 	if (new_mnt->mnt.mnt_flags & MNT_LOCKED)  in SYSCALL_DEFINE2()
3789 	if (root_mnt->mnt.mnt_flags & MNT_LOCKED) {  in SYSCALL_DEFINE2()
3790 		new_mnt->mnt.mnt_flags |= MNT_LOCKED;  in SYSCALL_DEFINE2()
3791 		root_mnt->mnt.mnt_flags &= ~MNT_LOCKED;  in SYSCALL_DEFINE2()
3843 	mnt->mnt_flags |= MNT_LOCKED;  in init_mount_tree()
3972 		int mnt_flags;  in mnt_already_visible()  local
3987 		mnt_flags = mnt->mnt.mnt_flags;  in mnt_already_visible()
3991 			mnt_flags |= MNT_LOCK_READONLY;  in mnt_already_visible()
3996 		if ((mnt_flags & MNT_LOCK_READONLY) &&  in mnt_already_visible()
3999 		if ((mnt_flags & MNT_LOCK_ATIME) &&  in mnt_already_visible()
4000 		    ((mnt_flags & MNT_ATIME_MASK) != (new_flags & MNT_ATIME_MASK)))  in mnt_already_visible()
4010 			if (!(child->mnt.mnt_flags & MNT_LOCKED))  in mnt_already_visible()
4017 		*new_mnt_flags |= mnt_flags & (MNT_LOCK_READONLY | \  in mnt_already_visible()
4061 	return !(mnt->mnt_flags & MNT_NOSUID) && check_mnt(real_mount(mnt)) &&  in mnt_may_suid()