linux-kernel - Re: [PATCH v3 0/2] dm crypt: some fixes to support dm-crypt running in softirq context

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Message-ID: <alpine.LRH.2.02.2101041204010.2157@file01.intranet.prod.int.rdu2.redhat.com>
Date:   Mon, 4 Jan 2021 12:04:59 -0500 (EST)
From:   Mikulas Patocka <mpatocka@...hat.com>
To:     Ignat Korchagin <ignat@...udflare.com>
cc:     agk@...hat.com, snitzer@...hat.com, dm-devel@...hat.com,
        dm-crypt@...ut.de, linux-kernel@...r.kernel.org,
        ebiggers@...nel.org, Damien.LeMoal@....com,
        herbert@...dor.apana.org.au, kernel-team@...udflare.com,
        nobuto.murata@...onical.com, clm@...com, josef@...icpanda.com,
        dsterba@...e.com, linux-btrfs@...r.kernel.org,
        mail@...iej.szmigiero.name
Subject: Re: [PATCH v3 0/2] dm crypt: some fixes to support dm-crypt running
 in softirq context



On Mon, 4 Jan 2021, Ignat Korchagin wrote:

> Changes from v1:
>   * 0001: handle memory allocation failure for GFP_ATOMIC
> 
> Changes from v2:
>   * reordered patches
>   * 0002: crypt_convert will be retried from a workqueue, when a crypto request
>     allocation fails with GFP_ATOMIC instead of just returning an IO error to
>     the user
> 
> Ignat Korchagin (2):
>   dm crypt: do not wait for backlogged crypto request completion in
>     softirq
>   dm crypt: use GFP_ATOMIC when allocating crypto requests from softirq
> 
>  drivers/md/dm-crypt.c | 138 +++++++++++++++++++++++++++++++++++++-----
>  1 file changed, 123 insertions(+), 15 deletions(-)
> 
> -- 
> 2.20.1
> 

Acked-by: Mikulas Patocka <mpatocka@...hat.com>