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NFSv4: Fix delegation handling in update_open_stateid()

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If the delegation is marked as being revoked, then don't use it in
the open state structure.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2019-10-22 12:12:17 -04:00
parent e6237b6feb
commit 333ac786a1
1 changed files with 2 additions and 2 deletions
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4
fs/nfs/nfs4proc.c
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@ -1737,7 +1737,7 @@ static int update_open_stateid(struct nfs4_state *state,
ret = 1;
}
deleg_cur = rcu_dereference(nfsi->delegation);
deleg_cur = nfs4_get_valid_delegation(state->inode);
if (deleg_cur == NULL)
goto no_delegation;
@ -1749,7 +1749,7 @@ static int update_open_stateid(struct nfs4_state *state,
if (delegation == NULL)
delegation = &deleg_cur->stateid;
else if (!nfs4_stateid_match(&deleg_cur->stateid, delegation))
else if (!nfs4_stateid_match_other(&deleg_cur->stateid, delegation))
goto no_delegation_unlock;
nfs_mark_delegation_referenced(deleg_cur);