linux-kernel - Re: [PATCH] block: recalculate segment count for multi-segment discard requests correctly

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <BYAPR04MB4965222989DE60A2F198358286B49@BYAPR04MB4965.namprd04.prod.outlook.com>
Date:   Wed, 3 Feb 2021 03:15:57 +0000
From:   Chaitanya Kulkarni <Chaitanya.Kulkarni@....com>
To:     Ming Lei <ming.lei@...hat.com>, David Jeffery <djeffery@...hat.com>
CC:     "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        Jens Axboe <axboe@...nel.dk>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Laurence Oberman <loberman@...hat.com>
Subject: Re: [PATCH] block: recalculate segment count for multi-segment
 discard requests correctly

On 2/2/21 18:39, Ming Lei wrote:
> +		/* fall through */
>  	case REQ_OP_WRITE_ZEROES:
> -		return 0;
I don't think returning 1 for write-zeroes is right,
did you test this patch with write-zeores enabled controller with
the right fs that triggers this behavior ?