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-rw-r--r--fs/nfsd/nfs4proc.c40
1 files changed, 9 insertions, 31 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index f156b85b4129..7bb8cb321dfe 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -809,29 +809,6 @@ static inline void nfsd4_increment_op_stats(u32 opnum)
809 nfsdstats.nfs4_opcount[opnum]++; 809 nfsdstats.nfs4_opcount[opnum]++;
810} 810}
811 811
812static void cstate_free(struct nfsd4_compound_state *cstate)
813{
814 if (cstate == NULL)
815 return;
816 fh_put(&cstate->current_fh);
817 fh_put(&cstate->save_fh);
818 BUG_ON(cstate->replay_owner);
819 kfree(cstate);
820}
821
822static struct nfsd4_compound_state *cstate_alloc(void)
823{
824 struct nfsd4_compound_state *cstate;
825
826 cstate = kmalloc(sizeof(struct nfsd4_compound_state), GFP_KERNEL);
827 if (cstate == NULL)
828 return NULL;
829 fh_init(&cstate->current_fh, NFS4_FHSIZE);
830 fh_init(&cstate->save_fh, NFS4_FHSIZE);
831 cstate->replay_owner = NULL;
832 return cstate;
833}
834
835typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *, 812typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *,
836 void *); 813 void *);
837 814
@@ -859,12 +836,13 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
859{ 836{
860 struct nfsd4_op *op; 837 struct nfsd4_op *op;
861 struct nfsd4_operation *opdesc; 838 struct nfsd4_operation *opdesc;
862 struct nfsd4_compound_state *cstate = NULL; 839 struct nfsd4_compound_state *cstate = &resp->cstate;
863 int slack_bytes; 840 int slack_bytes;
864 __be32 status; 841 __be32 status;
865 842
866 resp->xbuf = &rqstp->rq_res; 843 resp->xbuf = &rqstp->rq_res;
867 resp->p = rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len; 844 resp->p = rqstp->rq_res.head[0].iov_base +
845 rqstp->rq_res.head[0].iov_len;
868 resp->tagp = resp->p; 846 resp->tagp = resp->p;
869 /* reserve space for: taglen, tag, and opcnt */ 847 /* reserve space for: taglen, tag, and opcnt */
870 resp->p += 2 + XDR_QUADLEN(args->taglen); 848 resp->p += 2 + XDR_QUADLEN(args->taglen);
@@ -873,6 +851,9 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
873 resp->tag = args->tag; 851 resp->tag = args->tag;
874 resp->opcnt = 0; 852 resp->opcnt = 0;
875 resp->rqstp = rqstp; 853 resp->rqstp = rqstp;
854 resp->cstate.replay_owner = NULL;
855 fh_init(&resp->cstate.current_fh, NFS4_FHSIZE);
856 fh_init(&resp->cstate.save_fh, NFS4_FHSIZE);
876 857
877 /* 858 /*
878 * According to RFC3010, this takes precedence over all other errors. 859 * According to RFC3010, this takes precedence over all other errors.
@@ -881,11 +862,6 @@ nfsd4_proc_compound(struct svc_rqst *rqstp,
881 if (args->minorversion > NFSD_SUPPORTED_MINOR_VERSION) 862 if (args->minorversion > NFSD_SUPPORTED_MINOR_VERSION)
882 goto out; 863 goto out;
883 864
884 status = nfserr_resource;
885 cstate = cstate_alloc();
886 if (cstate == NULL)
887 goto out;
888
889 status = nfs_ok; 865 status = nfs_ok;
890 while (!status && resp->opcnt < args->opcnt) { 866 while (!status && resp->opcnt < args->opcnt) {
891 op = &args->ops[resp->opcnt++]; 867 op = &args->ops[resp->opcnt++];
@@ -958,7 +934,9 @@ encode_op:
958 nfsd4_increment_op_stats(op->opnum); 934 nfsd4_increment_op_stats(op->opnum);
959 } 935 }
960 936
961 cstate_free(cstate); 937 fh_put(&resp->cstate.current_fh);
938 fh_put(&resp->cstate.save_fh);
939 BUG_ON(resp->cstate.replay_owner);
962out: 940out:
963 nfsd4_release_compoundargs(args); 941 nfsd4_release_compoundargs(args);
964 dprintk("nfsv4 compound returned %d\n", ntohl(status)); 942 dprintk("nfsv4 compound returned %d\n", ntohl(status));