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Commit 1a2dd948 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

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: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 8ed27d4f

fs/nfs/nfs4state.c

+10 −11
Original line number Diff line number Diff line
@@ -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? */