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Message-ID: <e971095e-1015-c348-3c24-114193ee5ff0@linux.ibm.com>
Date:   Mon, 11 Apr 2022 14:03:50 +0200
From:   Jan Höppner <hoeppner@...ux.ibm.com>
To:     Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>
Cc:     dm-devel@...hat.com, linux-xfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-um@...ts.infradead.org,
        linux-block@...r.kernel.org, drbd-dev@...ts.linbit.com,
        nbd@...er.debian.org, ceph-devel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        xen-devel@...ts.xenproject.org, linux-bcache@...r.kernel.org,
        linux-raid@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-mtd@...ts.infradead.org, linux-nvme@...ts.infradead.org,
        linux-s390@...r.kernel.org, linux-scsi@...r.kernel.org,
        target-devel@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
        cluster-devel@...hat.com, jfs-discussion@...ts.sourceforge.net,
        linux-nilfs@...r.kernel.org, ntfs3@...ts.linux.dev,
        ocfs2-devel@....oracle.com, linux-mm@...ck.org,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Christoph Böhmwalder 
        <christoph.boehmwalder@...bit.com>, Coly Li <colyli@...e.de>
Subject: Re: [PATCH 24/27] block: remove QUEUE_FLAG_DISCARD

On 09/04/2022 06:50, Christoph Hellwig wrote:
> Just use a non-zero max_discard_sectors as an indicator for discard
> support, similar to what is done for write zeroes.
> 
> The only places where needs special attention is the RAID5 driver,
> which must clear discard support for security reasons by default,
> even if the default stacking rules would allow for it.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> Reviewed-by: Martin K. Petersen <martin.petersen@...cle.com>
> Acked-by: Christoph Böhmwalder <christoph.boehmwalder@...bit.com> [btrfs]
> Acked-by: Coly Li <colyli@...e.de> [bcache]
> ---

For 

>  drivers/s390/block/dasd_fba.c       |  1 -

Acked-by: Jan Höppner <hoeppner@...ux.ibm.com>

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