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authorOlga Kornievskaia <kolga@netapp.com>2023-07-13 13:02:38 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2023-08-24 13:24:15 -0400
commit51d674a5e4889f1c8e223ac131cf218e1631e423 (patch)
treea2b82ef9db2831346a52fd6ff5f2179c4bf73a0e /fs/nfs
parent537935f72eb28a3dd0097386f06402e25e66359a (diff)
downloadlinux-51d674a5e4889f1c8e223ac131cf218e1631e423.tar.gz
NFSv4.1: use EXCHGID4_FLAG_USE_PNFS_DS for DS server
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>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/nfs4client.c3
-rw-r--r--fs/nfs/nfs4proc.c4
2 files changed, 7 insertions, 0 deletions
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);