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NFSv4: Don't call close if the open stateid has already been cleared 

Ensure we test to see if the open stateid is actually set, before we
send a CLOSE.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2016-11-14 11:19:56 -05:00 committed by Anna Schumaker
parent 3e7dfb1659
commit 5cc7861eb5
1 changed files with 2 additions and 1 deletions
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3
fs/nfs/nfs4proc.c
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@ -3122,7 +3122,8 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data)
} else if (is_rdwr)
calldata->arg.fmode |= FMODE_READ|FMODE_WRITE;
if (!nfs4_valid_open_stateid(state))
if (!nfs4_valid_open_stateid(state) ||
test_bit(NFS_OPEN_STATE, &state->flags) == 0)
call_close = 0;
spin_unlock(&state->owner->so_lock);