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| author | Jens Axboe <axboe@kernel.dk> | 2022-12-02 08:01:06 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-12-02 08:01:06 -0700 |
| commit | d0f411c0b9bdef85f647e15a2fcc790b29891f2c (patch) | |
| tree | 3beda37d611a5015e83b5fb3eed15c361c3436c4 /drivers/nvme/host/multipath.c | |
| parent | 7d4a93176e0142ce16d23c849a47d5b00b856296 (diff) | |
| parent | 899d2a05dc14733cfba6224083c6b0dd5a738590 (diff) | |
Merge tag 'nvme-6.1-2022-01-02' of git://git.infradead.org/nvme into block-6.1block-6.1-2022-12-02
Pull NVMe fixes from Christoph:
"nvme fixes for Linux 6.1
- fix SRCU protection of nvme_ns_head list (Caleb Sander)
- clear the prp2 field when not used (Lei Rao)"
* tag 'nvme-6.1-2022-01-02' of git://git.infradead.org/nvme:
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); |