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| author | Chuck Lever <chuck.lever@oracle.com> | 2023-06-12 16:13:45 +0200 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2023-06-17 19:18:06 +0200 |
| commit | 91f8ce28466e480fd9ef27e028ac89dbfd264c24 (patch) | |
| tree | c5b16ef8c6f67a6fd03496e93de6449cf7bc7e31 /net/sunrpc | |
| parent | NFSD: Add an nfsd4_encode_nfstime4() helper (diff) | |
| download | linux-91f8ce28466e480fd9ef27e028ac89dbfd264c24.tar.xz linux-91f8ce28466e480fd9ef27e028ac89dbfd264c24.zip | |
svcrdma: Convert "might sleep" comment into a code annotation
Try to catch incorrect calling contexts mechanically rather than by
code review.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Tom Talpey <tom@talpey.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_rw.c | 5 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_sendto.c | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c index 068c365e7812..59ea87b5f458 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_rw.c +++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c @@ -353,8 +353,7 @@ static void svc_rdma_wc_read_done(struct ib_cq *cq, struct ib_wc *wc) return; } -/* This function sleeps when the transport's Send Queue is congested. - * +/* * Assumptions: * - If ib_post_send() succeeds, only one completion is expected, * even if one or more WRs are flushed. This is true when posting @@ -369,6 +368,8 @@ static int svc_rdma_post_chunk_ctxt(struct svc_rdma_chunk_ctxt *cc) struct ib_cqe *cqe; int ret; + might_sleep(); + if (cc->cc_sqecount > rdma->sc_sq_depth) return -EINVAL; diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c index 24228f3611e8..c6644cca52c5 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c +++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c @@ -315,6 +315,8 @@ int svc_rdma_send(struct svcxprt_rdma *rdma, struct svc_rdma_send_ctxt *ctxt) struct ib_send_wr *wr = &ctxt->sc_send_wr; int ret; + might_sleep(); + /* Sync the transport header buffer */ ib_dma_sync_single_for_device(rdma->sc_pd->device, wr->sg_list[0].addr, |