Re: [syzbot] possible deadlock in jbd2_journal_lock_updates

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To: syzbot <syzbot+79e6bbabf3ce17357969@xxxxxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [syzbot] possible deadlock in jbd2_journal_lock_updates
From: "Theodore Ts'o" <tytso@xxxxxxx>
Date: Sun, 30 Apr 2023 19:38:58 -0400
Cc: jack@xxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx
In-reply-to: <000000000000892a3005e5b5d96c@google.com>
References: <000000000000892a3005e5b5d96c@google.com>

#syz fix: ext4, jbd2: add an optimized bmap for the journal inode

References:
- [syzbot] possible deadlock in jbd2_journal_lock_updates
  - From: syzbot

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