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NFSv4.1: Handle slot recalls before doing state recovery 

Handling a slot recall situation should always takes precedence over
state recovery to allow the server to manage its resources.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-06-05 10:40:47 -04:00
parent 8ed27d4fb1
commit 1a2dd948e2
1 changed files with 10 additions and 11 deletions
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21
fs/nfs/nfs4state.c
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@ -1814,7 +1814,6 @@ static int nfs4_recall_slot(struct nfs_client *clp)
spin_unlock(&fc_tbl->slot_tbl_lock);
kfree(old);
nfs4_end_drain_session(clp);
return 0;
}
@ -1920,6 +1919,16 @@ static void nfs4_state_manager(struct nfs_client *clp)
continue;
}
/* Recall session slots */
if (test_and_clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state)
&& nfs4_has_session(clp)) {
section = "recall slot";
status = nfs4_recall_slot(clp);
if (status < 0)
goto out_error;
continue;
}
/* First recover reboot state... */
if (test_bit(NFS4CLNT_RECLAIM_REBOOT, &clp->cl_state)) {
section = "reclaim reboot";
@ -1953,16 +1962,6 @@ static void nfs4_state_manager(struct nfs_client *clp)
nfs_client_return_marked_delegations(clp);
continue;
}
/* Recall session slots */
if (test_and_clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state)
&& nfs4_has_session(clp)) {
section = "recall slot";
status = nfs4_recall_slot(clp);
if (status < 0)
goto out_error;
continue;
}
nfs4_clear_state_manager_bit(clp);
/* Did we race with an attempt to give us more work? */