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author | Chuck Lever <chuck.lever@oracle.com> | 2023-12-18 17:31:54 -0500 |
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committer | Chuck Lever <chuck.lever@oracle.com> | 2024-01-07 17:54:32 -0500 |
commit | a937693a82fd2211c5e52b638959d1486a77d16a (patch) | |
tree | f0978a5395de7e8c92c4a6273560ac963b6cd7ee /include | |
parent | 4d9d69db898d05bd063548eee65d16a020676fec (diff) | |
download | linux-stable-a937693a82fd2211c5e52b638959d1486a77d16a.tar.gz linux-stable-a937693a82fd2211c5e52b638959d1486a77d16a.tar.bz2 linux-stable-a937693a82fd2211c5e52b638959d1486a77d16a.zip |
svcrdma: Add back svcxprt_rdma::sc_read_complete_q
Having an nfsd thread waiting for an RDMA Read completion is
problematic if the Read responder (ie, the client) stops responding.
We need to go back to handling RDMA Reads by allowing the nfsd
thread to return to the svc scheduler, then waking a second thread
finish the RPC message once the Read completion fires.
As a next step, add a list_head upon which completed Reads are queued.
A subsequent patch will make use of this queue.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/sunrpc/svc_rdma.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 0f2d7f68ef5d..c98d29e51b9c 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -98,6 +98,7 @@ struct svcxprt_rdma { u32 sc_pending_recvs; u32 sc_recv_batch; struct list_head sc_rq_dto_q; + struct list_head sc_read_complete_q; spinlock_t sc_rq_dto_lock; struct ib_qp *sc_qp; struct ib_cq *sc_rq_cq; |