diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-07-08 17:18:27 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-07-08 20:15:20 +0300 |
| commit | 3913f4f3a65ca9ed6ba7e4678fff10a6e7b42dbd (patch) | |
| tree | f3b42c248fb23b2a420ad86967750ae701dae31c /drivers/nvme | |
| parent | 359c1f88ab646174bf82d18454c3ee2a38462ac8 (diff) | |
| download | linux-3913f4f3a65ca9ed6ba7e4678fff10a6e7b42dbd.tar.xz | |
nvme: remove ns->disk checks
By the time a namespace is added to ctrl->namespaces list and thus
can be looked up ns->disk has been assigned, and it it never cleared.
Remove all the checks for ns->disk being NULL.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/core.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 4aaffc4fa150..3d00ea4e7146 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -100,7 +100,7 @@ static void nvme_set_queue_dying(struct nvme_ns *ns) * Revalidating a dead namespace sets capacity to 0. This will end * buffered writers dirtying pages that can't be synced. */ - if (!ns->disk || test_and_set_bit(NVME_NS_DEAD, &ns->flags)) + if (test_and_set_bit(NVME_NS_DEAD, &ns->flags)) return; blk_set_queue_dying(ns->queue); /* Forcibly unquiesce queues to avoid blocking dispatch */ @@ -1429,7 +1429,7 @@ static void nvme_update_formats(struct nvme_ctrl *ctrl, u32 *effects) down_read(&ctrl->namespaces_rwsem); list_for_each_entry(ns, &ctrl->namespaces, list) - if (ns->disk && _nvme_revalidate_disk(ns->disk)) + if (_nvme_revalidate_disk(ns->disk)) nvme_set_queue_dying(ns); else if (blk_queue_is_zoned(ns->disk->queue)) { /* @@ -3933,7 +3933,7 @@ static void nvme_ns_remove(struct nvme_ns *ns) nvme_mpath_clear_current_path(ns); synchronize_srcu(&ns->head->srcu); /* wait for concurrent submissions */ - if (ns->disk && ns->disk->flags & GENHD_FL_UP) { + if (ns->disk->flags & GENHD_FL_UP) { del_gendisk(ns->disk); blk_cleanup_queue(ns->queue); if (blk_get_integrity(ns->disk)) @@ -3964,7 +3964,7 @@ static void nvme_validate_ns(struct nvme_ctrl *ctrl, unsigned nsid) ns = nvme_find_get_ns(ctrl, nsid); if (ns) { - if (ns->disk && revalidate_disk(ns->disk)) + if (revalidate_disk(ns->disk)) nvme_ns_remove(ns); nvme_put_ns(ns); } else |