Re: [BUG REPORT] cifs: Deadlock due to network reconnection during file writing

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To: Steve French <smfrench@xxxxxxxxx>
Subject: Re: [BUG REPORT] cifs: Deadlock due to network reconnection during file writing
From: David Howells <dhowells@xxxxxxxxxx>
Date: Mon, 10 Feb 2025 13:05:01 +0000
Cc: dhowells@xxxxxxxxxx, Wang Zhaolong <wangzhaolong1@xxxxxxxxxx>, stable@xxxxxxxxxxxxxxx, linux-cifs@xxxxxxxxxxxxxxx, yangerkun <yangerkun@xxxxxxxxxx>, yi zhang <yi.zhang@xxxxxxxxxx>, Paulo Alcantara <pc@xxxxxxxxxxxxx>
In-reply-to: <CAH2r5mv4N9zFOKTxwdvk6ahAyjgpYULQp8iw2NMu3eB6FEXh0A@mail.gmail.com>
Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903
References: <CAH2r5mv4N9zFOKTxwdvk6ahAyjgpYULQp8iw2NMu3eB6FEXh0A@mail.gmail.com> <3bd10acc-2d7f-019a-3182-82ab647bc15a@huawei.com>

This is before cifs moved over to using netfslib (v6.9) and netfslib took over
all the dealing with the VFS/VM for I/O and the handling of pages/folios.  Do
you know if the same problem occurs after that point?

David

References:
- Re: [BUG REPORT] cifs: Deadlock due to network reconnection during file writing
  - From: Steve French
- [BUG REPORT] cifs: Deadlock due to network reconnection during file writing
  - From: Wang Zhaolong

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