From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Damien Le Moal <dlemoal@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, dm-devel@lists.linux.dev,
Mike Snitzer <snitzer@kernel.org>,
Mikulas Patocka <mpatocka@redhat.com>,
linux-scsi@vger.kernel.org,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Ming Lei <ming.lei@redhat.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v2 0/5] Remove zone reset all emulation
Date: Thu, 04 Jul 2024 23:30:18 -0400 [thread overview]
Message-ID: <yq1frsoa53d.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20240704052816.623865-1-dlemoal@kernel.org> (Damien Le Moal's message of "Thu, 4 Jul 2024 14:28:11 +0900")
Damien,
> Here is a set of patches based on block/for-next to remove the
> emulation for zone reset all from the block layer and move it to
> device mapper. This is done because device mapper is the only zoned
> device driver that does not natively support REQ_OP_ZONE_RESET_ALL.
> With this change, the emulation that may be required depending on a
> mapped device zone mapping is moved to device mapper and the reset all
> feature (BLK_FEAT_ZONE_RESETALL) can be deleted, as well as all the
> code handling this feature in blk-zoned.c. The DM-based handling of
> REQ_OP_ZONE_RESET_ALL can also be much faster than the block layer
> emulation as that operation can be forwarded as is to targets mapping
> all sequential write required zones.
LGTM.
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2024-07-05 3:30 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-04 5:28 [PATCH v2 0/5] Remove zone reset all emulation Damien Le Moal
2024-07-04 5:28 ` [PATCH v2 1/5] null_blk: Introduce the zone_full parameter Damien Le Moal
2024-07-04 5:28 ` [PATCH v2 2/5] dm: Refactor is_abnormal_io() Damien Le Moal
2024-07-04 5:28 ` [PATCH v2 3/5] dm: handle REQ_OP_ZONE_RESET_ALL Damien Le Moal
2024-07-04 5:28 ` [PATCH v2 4/5] block: Remove REQ_OP_ZONE_RESET_ALL emulation Damien Le Moal
2024-07-04 5:28 ` [PATCH v2 5/5] block: Remove blk_alloc_zone_bitmap() Damien Le Moal
2024-07-04 6:07 ` [PATCH v2 0/5] Remove zone reset all emulation Johannes Thumshirn
2024-07-05 3:30 ` Martin K. Petersen [this message]
2024-07-05 6:42 ` Jens Axboe
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