Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.8 11/42] nvme: skip noiob for zoned devices | Date | Mon, 31 Aug 2020 11:29:03 -0400 |
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From: Keith Busch <kbusch@kernel.org>
[ Upstream commit c41ad98bebb8f4f0335b3c50dbb7583a6149dce4 ]
Zoned block devices reuse the chunk_sectors queue limit to define zone boundaries. If a such a device happens to also report an optimal boundary, do not use that to define the chunk_sectors as that may intermittently interfere with io splitting and zone size queries.
Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/nvme/host/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index f38548e6d55ec..6ea0bab621df3 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1975,7 +1975,7 @@ static int __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id) } } - if (iob) + if (iob && !blk_queue_is_zoned(ns->queue)) blk_queue_chunk_sectors(ns->queue, rounddown_pow_of_two(iob)); nvme_update_disk_info(disk, ns, id); #ifdef CONFIG_NVME_MULTIPATH -- 2.25.1
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