diff options
| author | Keith Busch <kbusch@kernel.org> | 2020-04-03 10:53:46 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-05-09 16:18:36 -0600 |
| commit | 92decf118f1da4c866515f80387f9cf4d48611d6 (patch) | |
| tree | fbddb687160f0cb1b8da80b012bb4fb3e140af18 /drivers/nvme/host/multipath.c | |
| parent | d02abd198633a4c40411b9a5994111452720470d (diff) | |
| download | linux-92decf118f1da4c866515f80387f9cf4d48611d6.tar.bz2 | |
nvme: define constants for identification values
Improve code readability by defining the specification's constants that
the driver is using when decoding identification payloads.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Bart van Assche <bvanassche@acm.org>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-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/host/multipath.c')
| -rw-r--r-- | drivers/nvme/host/multipath.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 5f5537d0a024..da78e499947a 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -372,7 +372,7 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head) * We also do this for private namespaces as the namespace sharing data could * change after a rescan. */ - if (!(ctrl->subsys->cmic & (1 << 1)) || !multipath) + if (!(ctrl->subsys->cmic & NVME_CTRL_CMIC_MULTI_CTRL) || !multipath) return 0; q = blk_alloc_queue(nvme_ns_head_make_request, ctrl->numa_node); @@ -694,7 +694,8 @@ int nvme_mpath_init(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) int error; /* check if multipath is enabled and we have the capability */ - if (!multipath || !ctrl->subsys || !(ctrl->subsys->cmic & (1 << 3))) + if (!multipath || !ctrl->subsys || + !(ctrl->subsys->cmic & NVME_CTRL_CMIC_ANA)) return 0; ctrl->anacap = id->anacap; |