5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Olga Kornievskaia <kolga@xxxxxxxxxx>
[ Upstream commit 4840c00003a2275668a13b82c9f5b1aed80183aa ]
Previously in order to mark the communication with the DS server,
we tried to use NFS_CS_DS in cl_flags. However, this flag would
only be saved for the DS server and in case where DS equals MDS,
the client would not find a matching nfs_client in nfs_match_client
that represents the MDS (but is also a DS).
Instead, don't rely on the NFS_CS_DS but instead use NFS_CS_PNFS.
Fixes: 379e4adfddd6 ("NFSv4.1: fixup use EXCHGID4_FLAG_USE_PNFS_DS for DS server")
Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/nfs/nfs4client.c | 6 ++----
fs/nfs/nfs4proc.c | 2 +-
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index cba8b4c1fb4a3..8557b2218aa19 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -230,9 +230,8 @@ struct nfs_client *nfs4_alloc_client(const struct nfs_client_initdata *cl_init)
__set_bit(NFS_CS_INFINITE_SLOTS, &clp->cl_flags);
__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);
+ if (test_bit(NFS_CS_PNFS, &cl_init->init_flags))
+ __set_bit(NFS_CS_PNFS, &clp->cl_flags);
/*
* Set up the connection to the server before we add add to the
* global list.
@@ -997,7 +996,6 @@ 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_bit(NFS_CS_PNFS, &cl_init.init_flags);
cl_init.max_connect = NFS_MAX_TRANSPORTS;
/*
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 167f2cc3c3798..770fa1cb112d8 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -8718,7 +8718,7 @@ 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))
+ if (test_bit(NFS_CS_PNFS, &clp->cl_flags))
calldata->args.flags |= EXCHGID4_FLAG_USE_PNFS_DS;
msg.rpc_argp = &calldata->args;
msg.rpc_resp = &calldata->res;
--
2.43.0
