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Message-ID: <20231207153138.GA20644@lst.de>
Date: Thu, 7 Dec 2023 16:31:38 +0100
From: Christoph Hellwig <hch@....de>
To: Daniel Wagner <dwagner@...e.de>
Cc: linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
Keith Busch <kbusch@...nel.org>,
Christoph Hellwig <hch@....de>,
Sagi Grimberg <sagi@...mberg.me>,
Hannes Reinecke <hare@...e.de>
Subject: Re: [PATCH v4 0/4] nvme: add csi, ms and nuse to sysfs
Hi Daniel,
this looks generally good to me. A few comments, all but one are
cosmetic.
> @@ -1676,9 +1678,9 @@ static void nvme_init_integrity(struct gendisk *disk, struct nvme_ns *ns,
This an now take the ns_head instead of the ns.
> @@ -1776,11 +1778,11 @@ static int nvme_init_ms(struct nvme_ns *ns, struct nvme_id_ns *id)
This can take a ctrl and ns_head instead of the ns.
> @@ -1835,8 +1837,8 @@ static int nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
This as well after updating nvme_ns_has_pi to take the ns_head.
> @@ -1898,7 +1900,7 @@ static void nvme_update_disk_info(struct gendisk *disk,
> struct nvme_ns *ns, struct nvme_id_ns *id)
This as well after fixing up nvme_lba_to_sect to take the ns_head.
> @@ -2052,7 +2055,7 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
This one as well.
> @@ -128,7 +129,7 @@ static void *nvme_zns_alloc_report_buffer(struct nvme_ns *ns,
> sizeof(struct nvme_zone_descriptor);
>
> nr_zones = min_t(unsigned int, nr_zones,
> - get_capacity(ns->disk) >> ilog2(ns->zsze));
> + get_capacity(ns->head->disk) >> ilog2(ns->head->zsze));
This doesn't work, as the head disk doesn't exist for !multipath setups.
> @@ -162,7 +163,7 @@ static int nvme_zone_parse_entry(struct nvme_ns *ns,
This could do with ctrl + ns_head now
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