From 1f0a6b3fa7a9405b74516611afa005075a21e810 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Sun, 16 Jun 2024 21:21:34 -0400 Subject: [PATCH] NFSv4: Add support for OPEN4_RESULT_NO_OPEN_STATEID If the server returns a delegation stateid only, then don't try to set an open stateid. Signed-off-by: Trond Myklebust Signed-off-by: Lance Shelton Reviewed-by: Jeff Layton Signed-off-by: Trond Myklebust Signed-off-by: Anna Schumaker --- fs/nfs/nfs4proc.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index adf4fc8610f6..5b18aac0b34a 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2035,8 +2035,11 @@ _nfs4_opendata_reclaim_to_nfs4_state(struct nfs4_opendata *data) data->o_arg.claim, &data->o_res.delegation); - if (!update_open_stateid(state, &data->o_res.stateid, - NULL, data->o_arg.fmode)) + if (!(data->o_res.rflags & NFS4_OPEN_RESULT_NO_OPEN_STATEID)) { + if (!update_open_stateid(state, &data->o_res.stateid, + NULL, data->o_arg.fmode)) + return ERR_PTR(-EAGAIN); + } else if (!update_open_stateid(state, NULL, NULL, data->o_arg.fmode)) return ERR_PTR(-EAGAIN); refcount_inc(&state->count); @@ -2105,8 +2108,13 @@ _nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data) data->o_arg.claim, &data->o_res.delegation); - if (!update_open_stateid(state, &data->o_res.stateid, - NULL, data->o_arg.fmode)) { + if (!(data->o_res.rflags & NFS4_OPEN_RESULT_NO_OPEN_STATEID)) { + if (!update_open_stateid(state, &data->o_res.stateid, + NULL, data->o_arg.fmode)) { + nfs4_put_open_state(state); + state = ERR_PTR(-EAGAIN); + } + } else if (!update_open_stateid(state, NULL, NULL, data->o_arg.fmode)) { nfs4_put_open_state(state); state = ERR_PTR(-EAGAIN); }