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NFSv4.1: Fix regression in callback retry handling 

When initializing a freshly created slot for the calllback channel,
the seq_nr needs to be 0, not 1.  Otherwise validate_seqid
and nfs4_slot_wait_on_seqid get confused and believe that the
mpty slot corresponds to a previously sent reply.

Signed-off-by: Fred Isaman <fred.isaman@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Fred Isaman 2016-09-27 15:37:11 -04:00 committed by Trond Myklebust
parent 1ad13dbc85
commit 9a837856cf
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/nfs4session.c
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@ -169,7 +169,7 @@ bool nfs4_try_to_lock_slot(struct nfs4_slot_table *tbl, struct nfs4_slot *slot)
struct nfs4_slot *nfs4_lookup_slot(struct nfs4_slot_table *tbl, u32 slotid)
{
if (slotid <= tbl->max_slotid)
return nfs4_find_or_create_slot(tbl, slotid, 1, GFP_NOWAIT);
return nfs4_find_or_create_slot(tbl, slotid, 0, GFP_NOWAIT);
return ERR_PTR(-E2BIG);
}