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Commit 4dc6ec00 authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

nfsd4: implement reclaim_complete 



This is a mandatory operation.  Also, here (not in open) is where we
should be committing the reboot recovery information.

Signed-off-by: default avatarJ. Bruce Fields <bfields@citi.umich.edu>
parent ab707e15

Documentation/filesystems/nfs/nfs41-server.txt

+1 −1
Original line number Diff line number Diff line
@@ -137,7 +137,7 @@ NS*| OPENATTR | OPT | | Section 18.17 | 
   | READ                 | REQ        |              | Section 18.22  |

   | READDIR              | REQ        |              | Section 18.23  |

   | READLINK             | OPT        |              | Section 18.24  |

NS | RECLAIM_COMPLETE     | REQ        |              | Section 18.51  |

   | RECLAIM_COMPLETE     | REQ        |              | Section 18.51  |

   | RELEASE_LOCKOWNER    | MNI        |              | N/A            |

   | REMOVE               | REQ        |              | Section 18.25  |

   | RENAME               | REQ        |              | Section 18.26  |

fs/nfsd/nfs4proc.c

+5 −0
Original line number Diff line number Diff line
@@ -1312,6 +1312,11 @@ static struct nfsd4_operation nfsd4_ops[] = { 
		.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP,

		.op_name = "OP_SEQUENCE",

	},

	[OP_RECLAIM_COMPLETE] = {

		.op_func = (nfsd4op_func)nfsd4_reclaim_complete,

		.op_flags = ALLOWED_WITHOUT_FH,

		.op_name = "OP_RECLAIM_COMPLETE",

	},

};



static const char *nfsd4_op_name(unsigned opnum)

fs/nfsd/nfs4state.c

+30 −3
Original line number Diff line number Diff line
@@ -1501,6 +1501,35 @@ out: 
	return status;

}



__be32

nfsd4_reclaim_complete(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_reclaim_complete *rc)

{

	if (rc->rca_one_fs) {

		if (!cstate->current_fh.fh_dentry)

			return nfserr_nofilehandle;

		/*

		 * We don't take advantage of the rca_one_fs case.

		 * That's OK, it's optional, we can safely ignore it.

		 */

		 return nfs_ok;

	}

	nfs4_lock_state();

	if (is_client_expired(cstate->session->se_client)) {

		nfs4_unlock_state();

		/*

		 * The following error isn't really legal.

		 * But we only get here if the client just explicitly

		 * destroyed the client.  Surely it no longer cares what

		 * error it gets back on an operation for the dead

		 * client.

		 */

		return nfserr_stale_clientid;

	}

	nfsd4_create_clid_dir(cstate->session->se_client);

	nfs4_unlock_state();

	return nfs_ok;

}



__be32

nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,

		  struct nfsd4_setclientid *setclid)
@@ -2510,10 +2539,8 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf 
	}

	memcpy(&open->op_stateid, &stp->st_stateid, sizeof(stateid_t));



	if (nfsd4_has_session(&resp->cstate)) {

	if (nfsd4_has_session(&resp->cstate))

		open->op_stateowner->so_confirmed = 1;

		nfsd4_create_clid_dir(open->op_stateowner->so_client);

	}



	/*

	* Attempt to hand out a delegation. No error return, because the

fs/nfsd/nfs4xdr.c

+11 −1
Original line number Diff line number Diff line
@@ -1234,6 +1234,16 @@ nfsd4_decode_sequence(struct nfsd4_compoundargs *argp, 
	DECODE_TAIL;

}



static __be32 nfsd4_decode_reclaim_complete(struct nfsd4_compoundargs *argp, struct nfsd4_reclaim_complete *rc)

{

	DECODE_HEAD;



	READ_BUF(4);

	READ32(rc->rca_one_fs);



	DECODE_TAIL;

}



static __be32

nfsd4_decode_noop(struct nfsd4_compoundargs *argp, void *p)

{
@@ -1346,7 +1356,7 @@ static nfsd4_dec nfsd41_dec_ops[] = { 
	[OP_TEST_STATEID]	= (nfsd4_dec)nfsd4_decode_notsupp,

	[OP_WANT_DELEGATION]	= (nfsd4_dec)nfsd4_decode_notsupp,

	[OP_DESTROY_CLIENTID]	= (nfsd4_dec)nfsd4_decode_notsupp,

	[OP_RECLAIM_COMPLETE]	= (nfsd4_dec)nfsd4_decode_notsupp,

	[OP_RECLAIM_COMPLETE]	= (nfsd4_dec)nfsd4_decode_reclaim_complete,

};



struct nfsd4_minorversion_ops {

fs/nfsd/xdr4.h

+6 −0
Original line number Diff line number Diff line
@@ -381,6 +381,10 @@ struct nfsd4_destroy_session { 
	struct nfs4_sessionid	sessionid;

};



struct nfsd4_reclaim_complete {

	u32 rca_one_fs;

};



struct nfsd4_op {

	int					opnum;

	__be32					status;
@@ -421,6 +425,7 @@ struct nfsd4_op { 
		struct nfsd4_create_session	create_session;

		struct nfsd4_destroy_session	destroy_session;

		struct nfsd4_sequence		sequence;

		struct nfsd4_reclaim_complete	reclaim_complete;

	} u;

	struct nfs4_replay *			replay;

};
@@ -523,6 +528,7 @@ extern __be32 nfsd4_sequence(struct svc_rqst *, 
extern __be32 nfsd4_destroy_session(struct svc_rqst *,

		struct nfsd4_compound_state *,

		struct nfsd4_destroy_session *);

__be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);

extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,

		struct nfsd4_open *open);

extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,