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nvme-multipath: use atomic queue limits API for stacking limits

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Switch to the queue_limits_* helpers to stack the bdev limits, which also
includes updating the readahead settings.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Christoph Hellwig 2024-03-04 07:05:00 -07:00 committed by Keith Busch
parent c5be5df721
commit f7e0a545f7
1 changed files with 6 additions and 3 deletions
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9
drivers/nvme/host/core.c
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@ -2188,6 +2188,8 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_ns_info *info)
}
if (!ret && nvme_ns_head_multipath(ns->head)) {
struct queue_limits lim;
blk_mq_freeze_queue(ns->head->disk->queue);
if (unsupported)
ns->head->disk->flags |= GENHD_FL_HIDDEN;
@ -2196,10 +2198,11 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_ns_info *info)
set_capacity_and_notify(ns->head->disk, get_capacity(ns->disk));
set_disk_ro(ns->head->disk, nvme_ns_is_readonly(ns, info));
nvme_mpath_revalidate_paths(ns);
blk_stack_limits(&ns->head->disk->queue->limits,
&ns->queue->limits, 0);
disk_update_readahead(ns->head->disk);
lim = queue_limits_start_update(ns->head->disk->queue);
queue_limits_stack_bdev(&lim, ns->disk->part0, 0,
ns->head->disk->disk_name);
ret = queue_limits_commit_update(ns->head->disk->queue, &lim);
blk_mq_unfreeze_queue(ns->head->disk->queue);
}