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Date:   Tue, 9 Aug 2022 17:43:24 +0900
From:   Sergey Senozhatsky <senozhatsky@chromium.org>
To:     Jiri Slaby <jirislaby@kernel.org>
Cc:     Linus Torvalds <torvalds@linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        minchan@kernel.org, ngupta@vflare.org,
        Sergey Senozhatsky <senozhatsky@chromium.org>,
        Jan Kara <jack@suse.com>, Ted Ts'o <tytso@mit.edu>,
        Andreas Dilger <adilger.kernel@dilger.ca>,
        Ext4 Developers List <linux-ext4@vger.kernel.org>,
        avromanov@sberdevices.ru, ddrokosov@sberdevices.ru
Subject: Re: ext2/zram issue [was: Linux 5.19]
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On (22/08/09 10:12), Jiri Slaby wrote:
> > So currently, I blame:
> > commit e7be8d1dd983156bbdd22c0319b71119a8fbb697
> > Author: Alexey Romanov <avromanov@sberdevices.ru>
> > Date:?? Thu May 12 20:23:07 2022 -0700
> > 
> >  ??? zram: remove double compression logic
> > 
> > 
> > /me needs to confirm.
> 
> With that commit reverted, I see no more I/O errors, only oom-killer
> messages (which is OK IMO, provided I write 1G of urandom on a machine w/
> 800M of RAM):

Hmm... So handle allocation always succeeds in the slow path? (when we
try to allocate it second time)