Return-Path: Received: from mx141.netapp.com ([216.240.21.12]:36004 "EHLO mx141.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752711AbdCBQPC (ORCPT ); Thu, 2 Mar 2017 11:15:02 -0500 From: Olga Kornievskaia To: CC: Subject: [RFC v1 10/19] NFS OFFLOAD_CANCEL xdr Date: Thu, 2 Mar 2017 11:01:14 -0500 Message-ID: <20170302160123.30375-11-kolga@netapp.com> In-Reply-To: <20170302160123.30375-1-kolga@netapp.com> References: <20170302160123.30375-1-kolga@netapp.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-nfs-owner@vger.kernel.org List-ID: Signed-off-by: Olga Kornievskaia --- fs/nfs/nfs42xdr.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++ fs/nfs/nfs4proc.c | 1 + fs/nfs/nfs4xdr.c | 1 + include/linux/nfs4.h | 1 + include/linux/nfs_fs_sb.h | 1 + 5 files changed, 70 insertions(+) diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c index 352af86..d782606 100644 --- a/fs/nfs/nfs42xdr.c +++ b/fs/nfs/nfs42xdr.c @@ -43,6 +43,9 @@ #define decode_offload_status_maxsz (op_decode_hdr_maxsz + \ 2 /* osr_count */ + \ 1 + 1 /* osr_complete<1> */) +#define encode_offload_cancel_maxsz (op_encode_hdr_maxsz + \ + XDR_QUADLEN(NFS4_STATEID_SIZE)) +#define decode_offload_cancel_maxsz (op_decode_hdr_maxsz) #define encode_deallocate_maxsz (op_encode_hdr_maxsz + \ encode_fallocate_maxsz) #define decode_deallocate_maxsz (op_decode_hdr_maxsz) @@ -102,6 +105,12 @@ #define NFS4_dec_offload_status_sz (compound_decode_hdr_maxsz + \ decode_putfh_maxsz + \ decode_offload_status_maxsz) +#define NFS4_enc_offload_cancel_sz (compound_encode_hdr_maxsz + \ + encode_putfh_maxsz + \ + encode_offload_cancel_maxsz) +#define NFS4_dec_offload_cancel_sz (compound_decode_hdr_maxsz + \ + decode_putfh_maxsz + \ + decode_offload_cancel_maxsz) #define NFS4_enc_deallocate_sz (compound_encode_hdr_maxsz + \ encode_putfh_maxsz + \ encode_deallocate_maxsz + \ @@ -220,6 +229,14 @@ static void encode_offload_status(struct xdr_stream *xdr, encode_nfs4_stateid(xdr, &args->osa_stateid); } +static void encode_offload_cancel(struct xdr_stream *xdr, + struct nfs42_offload_status_args *args, + struct compound_hdr *hdr) +{ + encode_op_hdr(xdr, OP_OFFLOAD_CANCEL, decode_offload_cancel_maxsz, hdr); + encode_nfs4_stateid(xdr, &args->osa_stateid); +} + static void encode_deallocate(struct xdr_stream *xdr, struct nfs42_falloc_args *args, struct compound_hdr *hdr) @@ -357,6 +374,24 @@ static void nfs4_xdr_enc_offload_status(struct rpc_rqst *req, } /* + * Encode OFFLOAD_CANEL request + */ +static void nfs4_xdr_enc_offload_cancel(struct rpc_rqst *req, + struct xdr_stream *xdr, + struct nfs42_offload_status_args *args) +{ + struct compound_hdr hdr = { + .minorversion = nfs4_xdr_minorversion(&args->osa_seq_args), + }; + + encode_compound_hdr(xdr, req, &hdr); + encode_sequence(xdr, &args->osa_seq_args, &hdr); + encode_putfh(xdr, args->osa_src_fh, &hdr); + encode_offload_cancel(xdr, args, &hdr); + encode_nops(&hdr); +} + +/* * Encode DEALLOCATE request */ static void nfs4_xdr_enc_deallocate(struct rpc_rqst *req, @@ -629,6 +664,12 @@ static int decode_offload_status(struct xdr_stream *xdr, return -EIO; } +static int decode_offload_cancel(struct xdr_stream *xdr, + struct nfs42_offload_status_res *res) +{ + return decode_op_hdr(xdr, OP_OFFLOAD_CANCEL); +} + static int decode_deallocate(struct xdr_stream *xdr, struct nfs42_falloc_res *res) { return decode_op_hdr(xdr, OP_DEALLOCATE); @@ -774,6 +815,31 @@ static int nfs4_xdr_dec_offload_status(struct rpc_rqst *rqstp, } /* + * Decode OFFLOAD_CANCEL response + */ +static int nfs4_xdr_dec_offload_cancel(struct rpc_rqst *rqstp, + struct xdr_stream *xdr, + struct nfs42_offload_status_res *res) +{ + struct compound_hdr hdr; + int status; + + status = decode_compound_hdr(xdr, &hdr); + if (status) + goto out; + status = decode_sequence(xdr, &res->osr_seq_res, rqstp); + if (status) + goto out; + status = decode_putfh(xdr); + if (status) + goto out; + status = decode_offload_cancel(xdr, res); + +out: + return status; +} + +/* * Decode DEALLOCATE request */ static int nfs4_xdr_dec_deallocate(struct rpc_rqst *rqstp, diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 9071652..59be0f7 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -9246,6 +9246,7 @@ static bool nfs4_match_stateid(const nfs4_stateid *s1, | NFS_CAP_COPY | NFS_CAP_COPY_NOTIFY | NFS_CAP_OFFLOAD_STATUS + | NFS_CAP_OFFLOAD_CANCEL | NFS_CAP_DEALLOCATE | NFS_CAP_SEEK | NFS_CAP_LAYOUTSTATS diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index a01ff49..697edf3 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -7575,6 +7575,7 @@ struct rpc_procinfo nfs4_procedures[] = { PROC(COPY, enc_copy, dec_copy), PROC(COPY_NOTIFY, enc_copy_notify, dec_copy_notify), PROC(OFFLOAD_STATUS, enc_offload_status, dec_offload_status), + PROC(OFFLOAD_CANCEL, enc_offload_cancel, dec_offload_cancel), #endif /* CONFIG_NFS_V4_2 */ }; diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index 0ed1026..e43c106 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -526,6 +526,7 @@ enum { NFSPROC4_CLNT_COPY, NFSPROC4_CLNT_COPY_NOTIFY, NFSPROC4_CLNT_OFFLOAD_STATUS, + NFSPROC4_CLNT_OFFLOAD_CANCEL, }; /* nfs41 types */ diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 4bc9a13..488ff40 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -252,5 +252,6 @@ struct nfs_server { #define NFS_CAP_COPY (1U << 24) #define NFS_CAP_COPY_NOTIFY (1U << 25) #define NFS_CAP_OFFLOAD_STATUS (1U << 26) +#define NFS_CAP_OFFLOAD_CANCEL (1U << 27) #endif -- 1.8.3.1