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Subject[PATCH 4.14 061/107] NFSv4.1 dont free interrupted slot on open
Date
4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Olga Kornievskaia <kolga@netapp.com>

commit 0cb98abb5bd13b9a636bde603d952d722688b428 upstream.

Allow the async rpc task for finish and update the open state if needed,
then free the slot. Otherwise, the async rpc unable to decode the reply.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Fixes: ae55e59da0e4 ("pnfs: Don't release the sequence slot...")
Cc: stable@vger.kernel.org # v4.18+
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
fs/nfs/nfs4proc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2746,7 +2746,8 @@ static int _nfs4_open_and_get_state(stru
nfs4_schedule_stateid_recovery(server, state);
}
out:
- nfs4_sequence_free_slot(&opendata->o_res.seq_res);
+ if (!opendata->cancelled)
+ nfs4_sequence_free_slot(&opendata->o_res.seq_res);
return ret;
}


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