diff options
| author | Keith Busch <kbusch@kernel.org> | 2020-04-09 18:09:04 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-05-10 00:18:35 +0200 |
| commit | b2ce4d90690bd29ce5b554e203cd03682dd59697 (patch) | |
| tree | d060d5215ade2106c0940fdaaf8dcd558faa4cc1 /drivers/nvme | |
| parent | nvme: check namespace head shared property (diff) | |
| download | linux-b2ce4d90690bd29ce5b554e203cd03682dd59697.tar.xz linux-b2ce4d90690bd29ce5b554e203cd03682dd59697.zip | |
nvme-multipath: set bdi capabilities once
The queues' backing device info capabilities don't change with each
namespace revalidation. Set it only when each path's request_queue
is initially added to a multipath queue.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/core.c | 7 | ||||
| -rw-r--r-- | drivers/nvme/host/multipath.c | 8 |
2 files changed, 8 insertions, 7 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 6437f2273785..0624393d95e2 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1909,13 +1909,6 @@ static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id) if (ns->head->disk) { nvme_update_disk_info(ns->head->disk, ns, id); blk_queue_stack_limits(ns->head->disk->queue, ns->queue); - if (bdi_cap_stable_pages_required(ns->queue->backing_dev_info)) { - struct backing_dev_info *info = - ns->head->disk->queue->backing_dev_info; - - info->capabilities |= BDI_CAP_STABLE_WRITES; - } - revalidate_disk(ns->head->disk); } #endif diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 54603bd3e02d..9f2844935fdf 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -3,6 +3,7 @@ * Copyright (c) 2017-2018 Christoph Hellwig. */ +#include <linux/backing-dev.h> #include <linux/moduleparam.h> #include <trace/events/block.h> #include "nvme.h" @@ -666,6 +667,13 @@ void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id) nvme_mpath_set_live(ns); mutex_unlock(&ns->head->lock); } + + if (bdi_cap_stable_pages_required(ns->queue->backing_dev_info)) { + struct backing_dev_info *info = + ns->head->disk->queue->backing_dev_info; + + info->capabilities |= BDI_CAP_STABLE_WRITES; + } } void nvme_mpath_remove_disk(struct nvme_ns_head *head) |