Return-Path: Received: from mx141.netapp.com ([216.240.21.12]:19310 "EHLO mx141.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932596AbbIDRaB (ORCPT ); Fri, 4 Sep 2015 13:30:01 -0400 From: To: CC: , , , Andy Adamson Subject: [PATCH Version 2 08/16] NFSD add ca_source_server<> to COPY Date: Fri, 4 Sep 2015 13:29:30 -0400 Message-ID: <1441387778-16465-9-git-send-email-andros@netapp.com> In-Reply-To: <1441387778-16465-1-git-send-email-andros@netapp.com> References: <1441387778-16465-1-git-send-email-andros@netapp.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-nfs-owner@vger.kernel.org List-ID: From: Andy Adamson Signed-off-by: Andy Adamson --- fs/nfsd/nfs4proc.c | 14 +++++++++++++- fs/nfsd/nfs4xdr.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++-- fs/nfsd/xdr4.h | 6 ++++++ 3 files changed, 66 insertions(+), 3 deletions(-) diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index fbfb509..2198e0a 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -2014,6 +2014,18 @@ static inline u32 nfsd4_layoutreturn_rsize(struct svc_rqst *rqstp, struct nfsd4_ } #endif /* CONFIG_NFSD_PNFS */ +static inline u32 nfsd4_copy_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op) +{ + return (op_encode_hdr_size + + 1 /* wr_callback */ + + op_encode_stateid_maxsz /* wr_callback */ + + 2 /* wr_count */ + + 1 /* wr_committed */ + + op_encode_verifier_maxsz + + 1 /* cr_consecutive */ + + 1 /* cr_synchronous */) * sizeof(__be32); +} + static struct nfsd4_operation nfsd4_ops[] = { [OP_ACCESS] = { .op_func = (nfsd4op_func)nfsd4_access, @@ -2344,7 +2356,7 @@ static struct nfsd4_operation nfsd4_ops[] = { .op_func = (nfsd4op_func)nfsd4_copy, .op_flags = OP_MODIFIES_SOMETHING | OP_CACHEME, .op_name = "OP_COPY", - .op_rsize_bop = (nfsd4op_rsize)nfsd4_write_rsize, + .op_rsize_bop = (nfsd4op_rsize)nfsd4_copy_rsize, }, [OP_SEEK] = { .op_func = (nfsd4op_func)nfsd4_seek, diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 3a78c7f..26df40e 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -40,6 +40,7 @@ #include #include #include +#include #include "idmap.h" #include "acl.h" @@ -1678,7 +1679,8 @@ static __be32 nfsd4_decode_copy(struct nfsd4_compoundargs *argp, struct nfsd4_copy *copy) { DECODE_HEAD; - unsigned int tmp; + struct nfs42_netaddr *naddr; + int i; status = nfsd4_decode_stateid(argp, ©->cp_src_stateid); if (status) @@ -1693,8 +1695,51 @@ nfsd4_decode_copy(struct nfsd4_compoundargs *argp, struct nfsd4_copy *copy) p = xdr_decode_hyper(p, ©->cp_count); copy->cp_consecutive = be32_to_cpup(p++); copy->cp_synchronous = be32_to_cpup(p++); - tmp = be32_to_cpup(p); /* Source server list not supported */ + copy->cp_nsrc = be32_to_cpup(p++); + + if (copy->cp_nsrc == 0) /* intra-server copy */ + goto intra; + + for (i = 0; i < NFSD4_MAX_SSC_SRC; i++) { + READ_BUF(4); + copy->cp_src[i].nl4_type = be32_to_cpup(p++); + + /* currently support for 1 inter-server source server */ + switch (copy->cp_src[i].nl4_type) { + case NL4_NAME: + case NL4_URL: + READ_BUF(4); + copy->cp_src[i].u.nl4_str_sz = be32_to_cpup(p++); + if (copy->cp_src[i].u.nl4_str_sz > NFS4_OPAQUE_LIMIT) + goto xdr_error; + + READ_BUF(copy->cp_src[i].u.nl4_str_sz); + COPYMEM(copy->cp_src[i].u.nl4_str, + copy->cp_src[i].u.nl4_str_sz); + break; + case NL4_NETADDR: + naddr = ©->cp_src[i].u.nl4_addr; + + READ_BUF(4); + naddr->na_netid_len = be32_to_cpup(p++); + if (naddr->na_netid_len > RPCBIND_MAXNETIDLEN) + goto xdr_error; + + READ_BUF(naddr->na_netid_len + 4); /* 4 for uaddr len */ + COPYMEM(naddr->na_netid, naddr->na_netid_len); + + naddr->na_uaddr_len = be32_to_cpup(p++); + if (naddr->na_uaddr_len > RPCBIND_MAXUADDRLEN) + goto xdr_error; + READ_BUF(naddr->na_uaddr_len); + COPYMEM(naddr->na_uaddr, naddr->na_uaddr_len); + break; + default: + goto xdr_error; + } + } +intra: DECODE_TAIL; } diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h index 9e83f95..a018c3d 100644 --- a/fs/nfsd/xdr4.h +++ b/fs/nfsd/xdr4.h @@ -37,6 +37,7 @@ #ifndef _LINUX_NFSD_XDR4_H #define _LINUX_NFSD_XDR4_H +#include #include "state.h" #include "nfsd.h" @@ -497,6 +498,9 @@ struct nfsd42_write_res { nfs4_verifier wr_verifier; }; +/* support 1 source server for now */ +#define NFSD4_MAX_SSC_SRC 1 + struct nfsd4_copy { /* request */ stateid_t cp_src_stateid; @@ -504,6 +508,8 @@ struct nfsd4_copy { u64 cp_src_pos; u64 cp_dst_pos; u64 cp_count; + int cp_nsrc; + struct nl4_server cp_src[NFSD4_MAX_SSC_SRC]; /* both */ bool cp_consecutive; -- 1.8.3.1