Re: [syzbot] [ext4?] WARNING in ext4_discard_allocated_blocks

[syzbot]

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@xxxxxxx>
Date:   Wed Nov 1 17:43:10 2023 +0000

    fs: Block writes to mounted block devices

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13e72f42180000
start commit:   7ba2090ca64e Merge tag 'ceph-for-6.6-rc1' of https://githu..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=ed626705db308b2d
dashboard link: https://syzkaller.appspot.com/bug?extid=628e71e1cb809306030f
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=111acb20680000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=112d9f34680000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs: Block writes to mounted block devices

For information about bisection process see: https://goo.gl/tpsmEJ#bisection