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| author | Keith Busch <kbusch@kernel.org> | 2020-04-09 19:09:04 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-09 10:37:09 +0300 |
| commit | 0d70b94ffc06de6543766511bbd54eced17597b8 (patch) | |
| tree | 3bafbc24af765cd54e056412f4432576a6d62892 /drivers/nvme | |
| parent | 34035e7842f041df22992cd62d4df64c8b38b576 (diff) | |
| download | linux-0d70b94ffc06de6543766511bbd54eced17597b8.tar.xz | |
nvme-multipath: set bdi capabilities once
[ Upstream commit b2ce4d90690bd29ce5b554e203cd03682dd59697 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/multipath.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 588864beabd8..6f584a9515f4 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -11,6 +11,7 @@ * more details. */ +#include <linux/backing-dev.h> #include <linux/moduleparam.h> #include <trace/events/block.h> #include "nvme.h" @@ -521,6 +522,13 @@ 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) |