From: J. Bruce Fields Date: Sat, 22 Mar 2014 22:43:16 +0000 (-0400) Subject: nfsd4: kill WRITEMEM X-Git-Tag: firefly_0821_release~176^2~3796^2~30 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0c0c267ba96f606b541ab8e4bcde54e6b3f0198f;p=firefly-linux-kernel-4.4.55.git nfsd4: kill WRITEMEM Signed-off-by: J. Bruce Fields --- diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 094a7c585f1e..3844dbe0cb6e 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1683,12 +1683,6 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp) DECODE_TAIL; } -#define WRITEMEM(ptr,nbytes) do { if (nbytes > 0) { \ - *(p + XDR_QUADLEN(nbytes) -1) = 0; \ - memcpy(p, ptr, nbytes); \ - p += XDR_QUADLEN(nbytes); \ -}} while (0) - static void write32(__be32 **p, u32 n) { *(*p)++ = htonl(n); @@ -1769,8 +1763,7 @@ static __be32 nfsd4_encode_components_esc(struct xdr_stream *xdr, char sep, p = xdr_reserve_space(xdr, strlen + 4); if (!p) return nfserr_resource; - *p++ = cpu_to_be32(strlen); - WRITEMEM(str, strlen); + p = xdr_encode_opaque(p, str, strlen); count++; } else @@ -1865,8 +1858,7 @@ static __be32 nfsd4_encode_path(struct xdr_stream *xdr, spin_unlock(&dentry->d_lock); goto out_free; } - *p++ = cpu_to_be32(len); - WRITEMEM(dentry->d_name.name, len); + p = xdr_encode_opaque(p, dentry->d_name.name, len); dprintk("/%s", dentry->d_name.name); spin_unlock(&dentry->d_lock); dput(dentry); @@ -2239,7 +2231,7 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, *p++ = cpu_to_be32(MINOR(stat.dev)); break; case FSIDSOURCE_UUID: - WRITEMEM(exp->ex_uuid, 16); + p = xdr_encode_opaque_fixed(p, exp->ex_uuid, 16); break; } } @@ -2326,8 +2318,8 @@ out_acl: p = xdr_reserve_space(xdr, fhp->fh_handle.fh_size + 4); if (!p) goto out_resource; - *p++ = cpu_to_be32(fhp->fh_handle.fh_size); - WRITEMEM(&fhp->fh_handle.fh_base, fhp->fh_handle.fh_size); + p = xdr_encode_opaque(p, &fhp->fh_handle.fh_base, + fhp->fh_handle.fh_size); } if (bmval0 & FATTR4_WORD0_FILEID) { p = xdr_reserve_space(xdr, 8); @@ -2748,7 +2740,8 @@ nfsd4_encode_stateid(struct xdr_stream *xdr, stateid_t *sid) if (!p) return nfserr_resource; *p++ = cpu_to_be32(sid->si_generation); - WRITEMEM(&sid->si_opaque, sizeof(stateid_opaque_t)); + p = xdr_encode_opaque_fixed(p, &sid->si_opaque, + sizeof(stateid_opaque_t)); return 0; } @@ -2777,7 +2770,8 @@ static __be32 nfsd4_encode_bind_conn_to_session(struct nfsd4_compoundres *resp, p = xdr_reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 8); if (!p) return nfserr_resource; - WRITEMEM(bcts->sessionid.data, NFS4_MAX_SESSIONID_LEN); + p = xdr_encode_opaque_fixed(p, bcts->sessionid.data, + NFS4_MAX_SESSIONID_LEN); *p++ = cpu_to_be32(bcts->dir); /* Sorry, we do not yet support RDMA over 4.1: */ *p++ = cpu_to_be32(0); @@ -2807,7 +2801,8 @@ nfsd4_encode_commit(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_ p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); if (!p) return nfserr_resource; - WRITEMEM(commit->co_verf.data, NFS4_VERIFIER_SIZE); + p = xdr_encode_opaque_fixed(p, commit->co_verf.data, + NFS4_VERIFIER_SIZE); } return nfserr; } @@ -2858,8 +2853,7 @@ nfsd4_encode_getfh(struct nfsd4_compoundres *resp, __be32 nfserr, struct svc_fh p = xdr_reserve_space(xdr, len + 4); if (!p) return nfserr_resource; - *p++ = cpu_to_be32(len); - WRITEMEM(&fhp->fh_handle.fh_base, len); + p = xdr_encode_opaque(p, &fhp->fh_handle.fh_base, len); } return nfserr; } @@ -2892,9 +2886,8 @@ again: p = xdr_encode_hyper(p, ld->ld_length); *p++ = cpu_to_be32(ld->ld_type); if (conf->len) { - WRITEMEM(&ld->ld_clientid, 8); - *p++ = cpu_to_be32(conf->len); - WRITEMEM(conf->data, conf->len); + p = xdr_encode_opaque_fixed(p, &ld->ld_clientid, 8); + p = xdr_encode_opaque(p, conf->data, conf->len); } else { /* non - nfsv4 lock in conflict, no clientid nor owner */ p = xdr_encode_hyper(p, (u64)0); /* clientid */ *p++ = cpu_to_be32(0); /* length of owner name */ @@ -3459,8 +3452,7 @@ nfsd4_do_encode_secinfo(struct xdr_stream *xdr, if (!p) goto out; *p++ = cpu_to_be32(RPC_AUTH_GSS); - *p++ = cpu_to_be32(info.oid.len); - WRITEMEM(info.oid.data, info.oid.len); + p = xdr_encode_opaque(p, info.oid.data, info.oid.len); *p++ = cpu_to_be32(info.qop); *p++ = cpu_to_be32(info.service); } else if (pf < RPC_AUTH_MAXFLAVOR) { @@ -3542,8 +3534,9 @@ nfsd4_encode_setclientid(struct nfsd4_compoundres *resp, __be32 nfserr, struct n p = xdr_reserve_space(xdr, 8 + NFS4_VERIFIER_SIZE); if (!p) return nfserr_resource; - WRITEMEM(&scd->se_clientid, 8); - WRITEMEM(&scd->se_confirm, NFS4_VERIFIER_SIZE); + p = xdr_encode_opaque_fixed(p, &scd->se_clientid, 8); + p = xdr_encode_opaque_fixed(p, &scd->se_confirm, + NFS4_VERIFIER_SIZE); } else if (nfserr == nfserr_clid_inuse) { p = xdr_reserve_space(xdr, 8); @@ -3567,7 +3560,8 @@ nfsd4_encode_write(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_w return nfserr_resource; *p++ = cpu_to_be32(write->wr_bytes_written); *p++ = cpu_to_be32(write->wr_how_written); - WRITEMEM(write->wr_verifier.data, NFS4_VERIFIER_SIZE); + p = xdr_encode_opaque_fixed(p, write->wr_verifier.data, + NFS4_VERIFIER_SIZE); } return nfserr; } @@ -3608,7 +3602,7 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr, if (!p) return nfserr_resource; - WRITEMEM(&exid->clientid, 8); + p = xdr_encode_opaque_fixed(p, &exid->clientid, 8); *p++ = cpu_to_be32(exid->seqid); *p++ = cpu_to_be32(exid->flags); @@ -3648,12 +3642,10 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr, /* The server_owner struct */ p = xdr_encode_hyper(p, minor_id); /* Minor id */ /* major id */ - *p++ = cpu_to_be32(major_id_sz); - WRITEMEM(major_id, major_id_sz); + p = xdr_encode_opaque(p, major_id, major_id_sz); /* Server scope */ - *p++ = cpu_to_be32(server_scope_sz); - WRITEMEM(server_scope, server_scope_sz); + p = xdr_encode_opaque(p, server_scope, server_scope_sz); /* Implementation id */ *p++ = cpu_to_be32(0); /* zero length nfs_impl_id4 array */ @@ -3673,7 +3665,8 @@ nfsd4_encode_create_session(struct nfsd4_compoundres *resp, __be32 nfserr, p = xdr_reserve_space(xdr, 24); if (!p) return nfserr_resource; - WRITEMEM(sess->sessionid.data, NFS4_MAX_SESSIONID_LEN); + p = xdr_encode_opaque_fixed(p, sess->sessionid.data, + NFS4_MAX_SESSIONID_LEN); *p++ = cpu_to_be32(sess->seqid); *p++ = cpu_to_be32(sess->flags); @@ -3728,7 +3721,8 @@ nfsd4_encode_sequence(struct nfsd4_compoundres *resp, __be32 nfserr, p = xdr_reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 20); if (!p) return nfserr_resource; - WRITEMEM(seq->sessionid.data, NFS4_MAX_SESSIONID_LEN); + p = xdr_encode_opaque_fixed(p, seq->sessionid.data, + NFS4_MAX_SESSIONID_LEN); *p++ = cpu_to_be32(seq->seqid); *p++ = cpu_to_be32(seq->slotid); /* Note slotid's are numbered from zero: */ @@ -3957,7 +3951,7 @@ nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op) *p++ = cpu_to_be32(op->opnum); *p++ = rp->rp_status; /* already xdr'ed */ - WRITEMEM(rp->rp_buf, rp->rp_buflen); + p = xdr_encode_opaque_fixed(p, rp->rp_buf, rp->rp_buflen); } int