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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-12-02 16:27:15 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-12-02 16:27:15 -0800 |
| commit | 97ee9d1c16963375eefdf964c429897d27e28956 (patch) | |
| tree | b55765e771adcc04e3d3e7ff2ad1adfbd08eaccd /drivers/nvme/host/multipath.c | |
| parent | 63050a5ca130e76af7199c9a3fba1d175f3a1102 (diff) | |
| parent | d0f411c0b9bdef85f647e15a2fcc790b29891f2c (diff) | |
| download | linux-97ee9d1c16963375eefdf964c429897d27e28956.tar.gz | |
Merge tag 'block-6.1-2022-12-02' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
"Just a small NVMe merge for this week, fixing protection of the name
space list, and a missing clear of a reserved field when unused"
* tag 'block-6.1-2022-12-02' of git://git.kernel.dk/linux:
nvme: fix SRCU protection of nvme_ns_head list
nvme-pci: clear the prp2 field when not used
Diffstat (limited to 'drivers/nvme/host/multipath.c')
| -rw-r--r-- | drivers/nvme/host/multipath.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 93e2138a8b42..7e025b8948cb 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -174,11 +174,14 @@ void nvme_mpath_revalidate_paths(struct nvme_ns *ns) struct nvme_ns_head *head = ns->head; sector_t capacity = get_capacity(head->disk); int node; + int srcu_idx; + srcu_idx = srcu_read_lock(&head->srcu); list_for_each_entry_rcu(ns, &head->list, siblings) { if (capacity != get_capacity(ns->disk)) clear_bit(NVME_NS_READY, &ns->flags); } + srcu_read_unlock(&head->srcu, srcu_idx); for_each_node(node) rcu_assign_pointer(head->current_path[node], NULL); |