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Diffstat (limited to 'fs')
-rw-r--r--fs/nfsd/nfs4callback.c8
-rw-r--r--fs/nfsd/state.h1
2 files changed, 8 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index d219159b98af..7caa3801ce72 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -1010,8 +1010,9 @@ static void nfsd4_cb_prepare(struct rpc_task *task, void *calldata)
cb->cb_seq_status = 1;
cb->cb_status = 0;
if (minorversion) {
- if (!nfsd41_cb_get_slot(clp, task))
+ if (!cb->cb_holds_slot && !nfsd41_cb_get_slot(clp, task))
return;
+ cb->cb_holds_slot = true;
}
rpc_call_start(task);
}
@@ -1038,6 +1039,9 @@ static bool nfsd4_cb_sequence_done(struct rpc_task *task, struct nfsd4_callback
return true;
}
+ if (!cb->cb_holds_slot)
+ goto need_restart;
+
switch (cb->cb_seq_status) {
case 0:
/*
@@ -1076,6 +1080,7 @@ static bool nfsd4_cb_sequence_done(struct rpc_task *task, struct nfsd4_callback
cb->cb_seq_status);
}
+ cb->cb_holds_slot = false;
clear_bit(0, &clp->cl_cb_slot_busy);
rpc_wake_up_next(&clp->cl_cb_waitq);
dprintk("%s: freed slot, new seqid=%d\n", __func__,
@@ -1283,6 +1288,7 @@ void nfsd4_init_cb(struct nfsd4_callback *cb, struct nfs4_client *clp,
cb->cb_seq_status = 1;
cb->cb_status = 0;
cb->cb_need_restart = false;
+ cb->cb_holds_slot = false;
}
void nfsd4_run_cb(struct nfsd4_callback *cb)
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 396c76755b03..9d6cb246c6c5 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -70,6 +70,7 @@ struct nfsd4_callback {
int cb_seq_status;
int cb_status;
bool cb_need_restart;
+ bool cb_holds_slot;
};
struct nfsd4_callback_ops {