Re: Direct I/O

From: Andrea Gelmini <andrea(dot)gelmini(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Noah Misch <noah(at)leadboat(dot)com>, Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Direct I/O
Date: 2023-04-10 07:04:22
Message-ID: CAK-xaQZ8AmE=eeaq_=VuQAPtDnXzYAQoKV0_Qs9ukjhBOpD5Wg@mail.gmail.com
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Il giorno lun 10 apr 2023 alle ore 04:58 Andres Freund
<andres(at)anarazel(dot)de> ha scritto:
> We should definitely let the brtfs folks know of this issue... It's possible
> that this bug was recently introduced even. What kernel version did you repro
> this on Thomas?

In these days on BTRFS ml they are discussing about Direct I/O data
corruption. No patch at the moment, they are still discussing how to
address it:
https://lore.kernel.org/linux-btrfs/aa1fb69e-b613-47aa-a99e-a0a2c9ed273f(at)app(dot)fastmail(dot)com/

Ciao,
Gelma

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