6.5-stable review patch. If anyone has any objections, please let me know.
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From: Olga Kornievskaia kolga@netapp.com
[ Upstream commit 51d674a5e4889f1c8e223ac131cf218e1631e423 ]
After receiving the location(s) of the DS server(s) in the GETDEVINCEINFO, create the request for the clientid to such server and indicate that the client is connecting to a DS.
Signed-off-by: Olga Kornievskaia kolga@netapp.com Signed-off-by: Anna Schumaker Anna.Schumaker@Netapp.com Stable-dep-of: 806a3bc421a1 ("NFSv4.1: fix pnfs MDS=DS session trunking") Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfs/nfs4client.c | 3 +++ fs/nfs/nfs4proc.c | 4 ++++ 2 files changed, 7 insertions(+)
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index d9114a754db73..27fb25567ce75 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -232,6 +232,8 @@ struct nfs_client *nfs4_alloc_client(const struct nfs_client_initdata *cl_init) __set_bit(NFS_CS_DISCRTRY, &clp->cl_flags); __set_bit(NFS_CS_NO_RETRANS_TIMEOUT, &clp->cl_flags);
+ if (test_bit(NFS_CS_DS, &cl_init->init_flags)) + __set_bit(NFS_CS_DS, &clp->cl_flags); /* * Set up the connection to the server before we add add to the * global list. @@ -1007,6 +1009,7 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv, if (mds_srv->flags & NFS_MOUNT_NORESVPORT) __set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);
+ __set_bit(NFS_CS_DS, &cl_init.init_flags); /* * Set an authflavor equual to the MDS value. Use the MDS nfs_client * cl_ipaddr so as to use the same EXCHANGE_ID co_ownerid as the MDS diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 3c24c3c99e8ac..3bc6bfdf7b814 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -8787,6 +8787,8 @@ nfs4_run_exchange_id(struct nfs_client *clp, const struct cred *cred, #ifdef CONFIG_NFS_V4_1_MIGRATION calldata->args.flags |= EXCHGID4_FLAG_SUPP_MOVED_MIGR; #endif + if (test_bit(NFS_CS_DS, &clp->cl_flags)) + calldata->args.flags |= EXCHGID4_FLAG_USE_PNFS_DS; msg.rpc_argp = &calldata->args; msg.rpc_resp = &calldata->res; task_setup_data.callback_data = calldata; @@ -8864,6 +8866,8 @@ static int _nfs4_proc_exchange_id(struct nfs_client *clp, const struct cred *cre /* Save the EXCHANGE_ID verifier session trunk tests */ memcpy(clp->cl_confirm.data, argp->verifier.data, sizeof(clp->cl_confirm.data)); + if (resp->flags & EXCHGID4_FLAG_USE_PNFS_DS) + set_bit(NFS_CS_DS, &clp->cl_flags); out: trace_nfs4_exchange_id(clp, status); rpc_put_task(task);