Return-Path: Received: from mx144.netapp.com ([216.240.21.25]:6808 "EHLO mx144.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751317AbdCQVES (ORCPT ); Fri, 17 Mar 2017 17:04:18 -0400 From: Olga Kornievskaia To: CC: Subject: [RFC v2 04/12] NFS OFFLOAD_CANCEL xdr Date: Fri, 17 Mar 2017 17:03:49 -0400 Message-ID: <20170317210357.48079-5-kolga@netapp.com> In-Reply-To: <20170317210357.48079-1-kolga@netapp.com> References: <20170317210357.48079-1-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 66f6193..7634a77 100644 --- a/fs/nfs/nfs42xdr.c +++ b/fs/nfs/nfs42xdr.c @@ -30,6 +30,9 @@ #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) @@ -83,6 +86,12 @@ #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 + \ @@ -161,6 +170,14 @@ 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) @@ -280,6 +297,24 @@ 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, @@ -453,6 +488,12 @@ 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); @@ -573,6 +614,31 @@ 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 3caed60..5450926 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_ALLOCATE | NFS_CAP_COPY | 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 f7f695a..cf07efc 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -7574,6 +7574,7 @@ struct rpc_procinfo nfs4_procedures[] = { PROC(CLONE, enc_clone, dec_clone), PROC(COPY, enc_copy, dec_copy), 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 d67c350..7262908 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -524,6 +524,7 @@ enum { NFSPROC4_CLNT_CLONE, NFSPROC4_CLNT_COPY, 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 a53f9ca..298ce5a 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -251,5 +251,6 @@ struct nfs_server { #define NFS_CAP_CLONE (1U << 23) #define NFS_CAP_COPY (1U << 24) #define NFS_CAP_OFFLOAD_STATUS (1U << 25) +#define NFS_CAP_OFFLOAD_CANCEL (1U << 26) #endif -- 1.8.3.1