[PATCH 5.15 038/244] NFSv4.1: Handle NFS4ERR_DELAY replies to OP_SEQUENCE correctly

Greg Kroah-Hartman
2022-08-23T09:46:55Z

From: Trond Myklebust <trond.myklebust@hammerspace.com>

commit 7ccafd4b2b9f34e6d8185f796f151c47424e273e upstream.

Don't assume that the NFS4ERR_DELAY means that the server is processing
this slot id.

Fixes: 3453d5708b33 ("NFSv4.1: Avoid false retries when RPC calls are interrupted")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/nfs/nfs4proc.c | 1 -
1 file changed, 1 deletion(-)

--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -856,7 +856,6 @@ static int nfs41_sequence_process(struct
__func__,
slot->slot_nr,
slot->seq_nr);
- nfs4_slot_sequence_acked(slot, slot->seq_nr);
goto out_retry;
case -NFS4ERR_RETRY_UNCACHED_REP:
case -NFS4ERR_SEQ_FALSE_RETRY: