git: 5a178b831a9f - main - nvme: Add locking asserts
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Date: Mon, 13 May 2024 22:38:28 UTC
The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=5a178b831a9fe8c51e406355f0164d01627cf1f4 commit 5a178b831a9fe8c51e406355f0164d01627cf1f4 Author: Warner Losh <imp@FreeBSD.org> AuthorDate: 2024-05-13 20:53:48 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2024-05-13 22:14:03 +0000 nvme: Add locking asserts nvme_qpair_complete_tracker and nvme_qpair_manual_complete_tracker have to be called without the qpair lock, so assert its unowned. Sponsored by: Netflix --- sys/dev/nvme/nvme_qpair.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/sys/dev/nvme/nvme_qpair.c b/sys/dev/nvme/nvme_qpair.c index 62d27e439180..b11bdc44dc40 100644 --- a/sys/dev/nvme/nvme_qpair.c +++ b/sys/dev/nvme/nvme_qpair.c @@ -414,10 +414,12 @@ static void nvme_qpair_complete_tracker(struct nvme_tracker *tr, struct nvme_completion *cpl, error_print_t print_on_error) { - struct nvme_qpair * qpair = tr->qpair; + struct nvme_qpair *qpair = tr->qpair; struct nvme_request *req; bool retry, error, retriable; + mtx_assert(&qpair->lock, MA_NOTOWNED); + req = tr->req; error = nvme_completion_is_error(cpl); retriable = nvme_completion_is_retry(cpl); @@ -486,10 +488,11 @@ nvme_qpair_manual_complete_tracker( error_print_t print_on_error) { struct nvme_completion cpl; + struct nvme_qpair * qpair = tr->qpair; - memset(&cpl, 0, sizeof(cpl)); + mtx_assert(&qpair->lock, MA_NOTOWNED); - struct nvme_qpair * qpair = tr->qpair; + memset(&cpl, 0, sizeof(cpl)); cpl.sqid = qpair->id; cpl.cid = tr->cid;