diff options
Diffstat (limited to 'fs/nfs/nfs4xdr.c')
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 71 |
1 files changed, 70 insertions, 1 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 6f1c003ee33a..325cd6d4f23a 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -372,6 +372,13 @@ static int nfs_stat_to_errno(int); decode_putfh_maxsz + \ op_decode_hdr_maxsz + \ nfs4_fattr_bitmap_maxsz + 1) +#define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ + encode_putfh_maxsz + \ + op_encode_hdr_maxsz + 4 + \ + nfs4_fattr_bitmap_maxsz + 1) +#define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ + decode_putfh_maxsz + \ + op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) static struct { unsigned int mode; @@ -471,7 +478,7 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s * In the worst-case, this would be * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) * = 36 bytes, plus any contribution from variable-length fields - * such as owner/group/acl's. + * such as owner/group. */ len = 16; @@ -1096,6 +1103,25 @@ static int encode_renew(struct xdr_stream *xdr, const struct nfs4_client *client } static int +encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg) +{ + uint32_t *p; + + RESERVE_SPACE(4+sizeof(zero_stateid.data)); + WRITE32(OP_SETATTR); + WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data)); + RESERVE_SPACE(2*4); + WRITE32(1); + WRITE32(FATTR4_WORD0_ACL); + if (arg->acl_len % 4) + return -EINVAL; + RESERVE_SPACE(4); + WRITE32(arg->acl_len); + xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); + return 0; +} + +static int encode_savefh(struct xdr_stream *xdr) { uint32_t *p; @@ -3492,6 +3518,48 @@ out: } +/* + * Encode an SETACL request + */ +static int +nfs4_xdr_enc_setacl(struct rpc_rqst *req, uint32_t *p, struct nfs_setaclargs *args) +{ + struct xdr_stream xdr; + struct compound_hdr hdr = { + .nops = 2, + }; + int status; + + xdr_init_encode(&xdr, &req->rq_snd_buf, p); + encode_compound_hdr(&xdr, &hdr); + status = encode_putfh(&xdr, args->fh); + if (status) + goto out; + status = encode_setacl(&xdr, args); +out: + return status; +} +/* + * Decode SETACL response + */ +static int +nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, uint32_t *p, void *res) +{ + struct xdr_stream xdr; + struct compound_hdr hdr; + int status; + + xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); + status = decode_compound_hdr(&xdr, &hdr); + if (status) + goto out; + status = decode_putfh(&xdr); + if (status) + goto out; + status = decode_setattr(&xdr, res); +out: + return status; +} /* * Decode GETACL response @@ -4117,6 +4185,7 @@ struct rpc_procinfo nfs4_procedures[] = { PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), PROC(GETACL, enc_getacl, dec_getacl), + PROC(SETACL, enc_setacl, dec_setacl), }; struct rpc_version nfs_version4 = { |