From f7e0a545f7311691fbcabbb85238c8e4dd1a7c01 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 4 Mar 2024 07:05:00 -0700 Subject: [PATCH] nvme-multipath: use atomic queue limits API for stacking limits Switch to the queue_limits_* helpers to stack the bdev limits, which also includes updating the readahead settings. Signed-off-by: Christoph Hellwig Signed-off-by: Keith Busch --- drivers/nvme/host/core.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 6413ce24fb4b1..3f985b93a19f9 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -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); } -- 2.30.2