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Commit f4dee24c authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

nfsd4: move CLOSE_STATE special case to caller 



Move the CLOSE_STATE case into the unique caller that cares about it
rather than putting it in preprocess_seqid_op.

Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 68b66e82

fs/nfsd/nfs4state.c

+27 −29
Original line number Diff line number Diff line
@@ -3070,16 +3070,14 @@ laundromat_main(struct work_struct *not_used) 
}



static struct nfs4_stateowner *

search_close_lru(u32 st_id, int flags)

search_close_lru(u32 st_id)

{

	struct nfs4_stateowner *local = NULL;

	struct nfs4_stateowner *local;



	if (flags & CLOSE_STATE) {

	list_for_each_entry(local, &close_lru, so_close_lru) {

		if (local->so_id == st_id)

			return local;

	}

	}

	return NULL;

}
@@ -3381,7 +3379,6 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid, 
			 stateid_t *stateid, int flags,

			 struct nfs4_stateid **stpp)

{

	struct nfs4_stateid *stp;

	struct nfs4_stateowner *sop;

	struct svc_fh *current_fh = &cstate->current_fh;

	__be32 status;
@@ -3404,28 +3401,14 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid, 
	* the confirmed flag is incorrecly set, or the generation 

	* number is incorrect.  

	*/

	stp = find_stateid(stateid, flags);

	if (stp == NULL) {

		/*

		 * Also, we should make sure this isn't just the result of

		 * a replayed close:

		 */

		sop = search_close_lru(stateid->si_stateownerid, flags);

		/* It's not stale; let's assume it's expired: */

		if (sop == NULL)

	*stpp = find_stateid(stateid, flags);

	if (*stpp == NULL)

		return nfserr_expired;

		cstate->replay_owner = sop;

		status = nfsd4_check_seqid(cstate, sop, seqid);

		if (status)

			return status;

		return nfserr_bad_seqid;

	}



	*stpp = stp;

	sop = stp->st_stateowner;

	sop = (*stpp)->st_stateowner;

	cstate->replay_owner = sop;



	if (nfs4_check_fh(current_fh, stp)) {

	if (nfs4_check_fh(current_fh, *stpp)) {

		dprintk("NFSD: preprocess_seqid_op: fh-stateid mismatch!\n");

		return nfserr_bad_stateid;

	}
@@ -3439,7 +3422,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid, 
				" confirmed yet!\n");

		return nfserr_bad_stateid;

	}

	status = check_stateid_generation(stateid, &stp->st_stateid, nfsd4_has_session(cstate));

	status = check_stateid_generation(stateid, &(*stpp)->st_stateid, nfsd4_has_session(cstate));

	if (status)

		return status;

	renew_client(sop->so_client);
@@ -3574,7 +3557,22 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, 
	/* check close_lru for replay */

	status = nfs4_preprocess_seqid_op(cstate, close->cl_seqid,

					&close->cl_stateid, 

					OPEN_STATE | CLOSE_STATE, &stp);

					OPEN_STATE, &stp);

	if (stp == NULL && status == nfserr_expired) {

		/*

		 * Also, we should make sure this isn't just the result of

		 * a replayed close:

		 */

		so = search_close_lru(close->cl_stateid.si_stateownerid);

		/* It's not stale; let's assume it's expired: */

		if (so == NULL)

			goto out;

		cstate->replay_owner = so;

		status = nfsd4_check_seqid(cstate, so, close->cl_seqid);

		if (status)

			goto out;

		status = nfserr_bad_seqid;

	}

	if (status)

		goto out; 

	so = stp->st_stateowner;

fs/nfsd/state.h

+0 −1
Original line number Diff line number Diff line
@@ -448,7 +448,6 @@ struct nfs4_stateid { 
#define LOCK_STATE              0x00000008

#define RD_STATE	        0x00000010

#define WR_STATE	        0x00000020

#define CLOSE_STATE             0x00000040



struct nfsd4_compound_state;