[PATCH v4 12/20] nvme: add context annotations for nvme_ctrl::ana_lock
Nilay Shroff <[email protected]>
| Newsgroups | org.infradead.lists.linux-nvme,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
nvme_parse_ana_log() accesses ANA state protected by ctrl->ana_lock and therefore requires callers to hold the lock. Annotate nvme_parse_ana_log() with __must_hold(&ctrl->ana_lock) so that Clang's lock context analysis can verify the locking requirement at compile time. Reviewed-by: Christoph Hellwig <[email protected]> Signed-off-by: Nilay Shroff <[email protected]> --- drivers/nvme/host/multipath.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 698d79a97045..d714852ddc01 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -829,6 +829,7 @@ static void nvme_mpath_set_live(struct nvme_ns *ns) static int nvme_parse_ana_log(struct nvme_ctrl *ctrl, void *data, int (*cb)(struct nvme_ctrl *ctrl, struct nvme_ana_group_desc *, void *)) + __must_hold(&ctrl->ana_lock) { void *base = ctrl->ana_log_buf; size_t offset = sizeof(struct nvme_ana_rsp_hdr); -- 2.53.0