--- /dev/null
+/* NFSv4.1 client for Windows
+ * Copyright © 2012 The Regents of the University of Michigan
+ *
+ * Olga Kornievskaia <aglo@umich.edu>
+ * Casey Bodley <cbodley@umich.edu>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at
+ * your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * without any warranty; without even the implied warranty of merchantability
+ * or fitness for a particular purpose. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ */
+
+#include <windows.h>
+#include <strsafe.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include "nfs41_ops.h"
+#include "nfs41_compound.h"
+#include "nfs41_xdr.h"
+#include "name_cache.h"
+#include "delegation.h"
+#include "daemon_debug.h"
+#include "util.h"
+
+int nfs41_exchange_id(
+ IN nfs41_rpc_clnt *rpc,
+ IN client_owner4 *owner,
+ IN uint32_t flags_in,
+ OUT nfs41_exchange_id_res *res_out)
+{
+ int status = 0;
+ nfs41_compound compound;
+ nfs_argop4 argop;
+ nfs_resop4 resop;
+ nfs41_exchange_id_args ex_id;
+
+ compound_init(&compound, &argop, &resop, "exchange_id");
+
+ compound_add_op(&compound, OP_EXCHANGE_ID, &ex_id, res_out);
+ ex_id.eia_clientowner = owner;
+ ex_id.eia_flags = flags_in;
+ ex_id.eia_state_protect.spa_how = SP4_NONE;
+ ex_id.eia_client_impl_id = NULL;
+
+ res_out->server_owner.so_major_id_len = NFS4_OPAQUE_LIMIT;
+ res_out->server_scope_len = NFS4_OPAQUE_LIMIT;
+
+ status = nfs41_send_compound(rpc, (char *)&compound.args,
+ (char *)&compound.res);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+// AGLO: 10/07/2009 we might want lookup these values from the registry
+static int set_fore_channel_attrs(
+ IN nfs41_rpc_clnt *rpc,
+ IN uint32_t max_req,
+ OUT nfs41_channel_attrs *attrs)
+{
+ attrs->ca_headerpadsize = 0;
+ attrs->ca_maxrequestsize = rpc->wsize;
+ attrs->ca_maxresponsesize = rpc->rsize;
+ attrs->ca_maxresponsesize_cached = NFS41_MAX_SERVER_CACHE;
+ attrs->ca_maxoperations = 0xffffffff;
+ attrs->ca_maxrequests = max_req;
+ attrs->ca_rdma_ird = NULL;
+ return 0;
+}
+
+// AGLO: 10/07/2009 we might want lookup these values from the registry
+static int set_back_channel_attrs(
+ IN nfs41_rpc_clnt *rpc,
+ IN uint32_t max_req,
+ OUT nfs41_channel_attrs *attrs)
+{
+ attrs->ca_headerpadsize = 0;
+ attrs->ca_maxrequestsize = rpc->wsize;
+ attrs->ca_maxresponsesize = rpc->rsize;
+ attrs->ca_maxresponsesize_cached = NFS41_MAX_SERVER_CACHE;
+ attrs->ca_maxoperations = 0xffffffff;
+ attrs->ca_maxrequests = max_req;
+ attrs->ca_rdma_ird = NULL;
+ return 0;
+}
+
+int nfs41_create_session(nfs41_client *clnt, nfs41_session *session, bool_t try_recovery)
+{
+ int status = 0;
+ nfs41_compound compound;
+ nfs_argop4 argop;
+ nfs_resop4 resop;
+ nfs41_create_session_args req = { 0 };
+ nfs41_create_session_res reply = { 0 };
+
+ compound_init(&compound, &argop, &resop, "create_session");
+
+ compound_add_op(&compound, OP_CREATE_SESSION, &req, &reply);
+
+ AcquireSRWLockShared(&clnt->exid_lock);
+ req.csa_clientid = clnt->clnt_id;
+ req.csa_sequence = clnt->seq_id;
+ ReleaseSRWLockShared(&clnt->exid_lock);
+ req.csa_flags = session->flags;
+ req.csa_cb_program = NFS41_RPC_CBPROGRAM;
+ req.csa_cb_secparams[0].type = 0; /* AUTH_NONE */
+ req.csa_cb_secparams[1].type = 1; /* AUTH_SYS */
+ req.csa_cb_secparams[1].u.auth_sys.machinename = clnt->rpc->server_name;
+ req.csa_cb_secparams[1].u.auth_sys.stamp = (uint32_t)time(NULL);
+
+ // ca_maxrequests should be gotten from the rpc layer
+ set_fore_channel_attrs(clnt->rpc,
+ NFS41_MAX_RPC_REQS, &req.csa_fore_chan_attrs);
+ set_back_channel_attrs(clnt->rpc,
+ 1, &req.csa_back_chan_attrs);
+
+ reply.csr_sessionid = session->session_id;
+ reply.csr_fore_chan_attrs = &session->fore_chan_attrs;
+ reply.csr_back_chan_attrs = &session->back_chan_attrs;
+
+ status = compound_encode_send_decode(session, &compound, try_recovery);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ print_hexbuf(1, (unsigned char *)"session id: ", session->session_id, NFS4_SESSIONID_SIZE);
+ // check that csa_sequence is same as csr_sequence
+ if (reply.csr_sequence != clnt->seq_id) {
+ eprintf("ERROR: CREATE_SESSION: csa_sequence %d != "
+ "csr_sequence %d\n", clnt->seq_id, reply.csr_sequence);
+ status = NFS4ERR_SEQ_MISORDERED;
+ goto out;
+ } else clnt->seq_id++;
+
+ if (reply.csr_flags != req.csa_flags) {
+ eprintf("WARNING: requested session flags %x received %x\n",
+ req.csa_flags, reply.csr_flags);
+ if ((session->flags & CREATE_SESSION4_FLAG_CONN_BACK_CHAN) &&
+ !(reply.csr_flags & CREATE_SESSION4_FLAG_CONN_BACK_CHAN))
+ eprintf("WARNING: we asked to use this session for callbacks but "
+ "server refused\n");
+ if ((session->flags & CREATE_SESSION4_FLAG_PERSIST) &&
+ !(reply.csr_flags & CREATE_SESSION4_FLAG_PERSIST))
+ eprintf("WARNING: we asked for persistent session but "
+ "server refused\n");
+ session->flags = reply.csr_flags;
+ }
+ else
+ dprintf(1, "session flags %x\n", reply.csr_flags);
+
+ dprintf(1, "session fore_chan_attrs:\n"
+ " %-32s%d\n %-32s%d\n %-32s%d\n %-32s%d\n %-32s%d\n %-32s%d\n",
+ "headerpadsize", session->fore_chan_attrs.ca_headerpadsize,
+ "maxrequestsize", session->fore_chan_attrs.ca_maxrequestsize,
+ "maxresponsesize", session->fore_chan_attrs.ca_maxresponsesize,
+ "maxresponsesize_cached", session->fore_chan_attrs.ca_maxresponsesize_cached,
+ "maxoperations", session->fore_chan_attrs.ca_maxoperations,
+ "maxrequests", session->fore_chan_attrs.ca_maxrequests);
+ dprintf(1, "client supports %d max rpc slots, but server has %d\n",
+ session->table.max_slots, session->fore_chan_attrs.ca_maxrequests);
+ /* use the server's ca_maxrequests unless it's bigger than our array */
+ session->table.max_slots = min(session->table.max_slots,
+ session->fore_chan_attrs.ca_maxrequests);
+ status = 0;
+out:
+ return status;
+}
+
+enum nfsstat4 nfs41_bind_conn_to_session(
+ IN nfs41_rpc_clnt *rpc,
+ IN const unsigned char *sessionid,
+ IN enum channel_dir_from_client4 dir)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argop;
+ nfs_resop4 resop;
+ nfs41_bind_conn_to_session_args bind_args = { 0 };
+ nfs41_bind_conn_to_session_res bind_res = { 0 };
+
+ compound_init(&compound, &argop, &resop, "bind_conn_to_session");
+
+ compound_add_op(&compound, OP_BIND_CONN_TO_SESSION, &bind_args, &bind_res);
+ bind_args.sessionid = (unsigned char *)sessionid;
+ bind_args.dir = dir;
+
+ status = nfs41_send_compound(rpc,
+ (char*)&compound.args, (char*)&compound.res);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+
+out:
+ return status;
+}
+
+int nfs41_destroy_session(
+ IN nfs41_session *session)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argop;
+ nfs_resop4 resop;
+ nfs41_destroy_session_args ds_args;
+ nfs41_destroy_session_res ds_res;
+
+ compound_init(&compound, &argop, &resop, "destroy_session");
+
+ compound_add_op(&compound, OP_DESTROY_SESSION, &ds_args, &ds_res);
+ ds_args.dsa_sessionid = session->session_id;
+
+ /* don't attempt to recover from BADSESSION/STALE_CLIENTID */
+ status = compound_encode_send_decode(session, &compound, FALSE);
+ if (status)
+ goto out;
+
+ status = compound.res.status;
+ if (status)
+ eprintf("%s failed with status %d.\n",
+ nfs_opnum_to_string(OP_DESTROY_SESSION), status);
+out:
+ return status;
+}
+
+int nfs41_destroy_clientid(
+ IN nfs41_rpc_clnt *rpc,
+ IN uint64_t clientid)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops;
+ nfs_resop4 resops;
+ nfs41_destroy_clientid_args dc_args;
+ nfs41_destroy_clientid_res dc_res;
+
+ compound_init(&compound, &argops, &resops, "destroy_clientid");
+
+ compound_add_op(&compound, OP_DESTROY_CLIENTID, &dc_args, &dc_res);
+ dc_args.dca_clientid = clientid;
+
+ status = nfs41_send_compound(rpc, (char *)&compound.args,
+ (char *)&compound.res);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+enum nfsstat4 nfs41_reclaim_complete(
+ IN nfs41_session *session)
+{
+ enum nfsstat4 status = NFS4_OK;
+ nfs41_compound compound;
+ nfs_argop4 argops[2];
+ nfs_resop4 resops[2];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_reclaim_complete_res reclaim_res;
+
+ compound_init(&compound, argops, resops, "reclaim_complete");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_RECLAIM_COMPLETE, NULL, &reclaim_res);
+
+ /* don't attempt to recover from BADSESSION */
+ status = compound_encode_send_decode(session, &compound, FALSE);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+static void open_delegation_return(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN open_delegation4 *delegation,
+ IN bool_t try_recovery)
+{
+ stateid_arg stateid;
+ int status;
+
+ if (delegation->type == OPEN_DELEGATE_NONE ||
+ delegation->type == OPEN_DELEGATE_NONE_EXT)
+ return;
+
+ /* return the delegation */
+ stateid.open = NULL;
+ stateid.delegation = NULL;
+ stateid.type = STATEID_DELEG_FILE;
+ memcpy(&stateid.stateid, &delegation->stateid, sizeof(stateid4));
+
+ status = nfs41_delegreturn(session, file, &stateid, try_recovery);
+
+ /* clear the delegation type returned by nfs41_open() */
+ delegation->type = OPEN_DELEGATE_NONE;
+}
+
+static void open_update_cache(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *parent,
+ IN nfs41_path_fh *file,
+ IN bool_t try_recovery,
+ IN open_delegation4 *delegation,
+ IN bool_t already_delegated,
+ IN change_info4 *changeinfo,
+ IN nfs41_getattr_res *dir_attrs,
+ IN nfs41_getattr_res *file_attrs)
+{
+ struct nfs41_name_cache *cache = session_name_cache(session);
+ uint32_t status;
+
+ /* update the attributes of the parent directory */
+ memcpy(&dir_attrs->info->attrmask, &dir_attrs->obj_attributes.attrmask,
+ sizeof(bitmap4));
+ nfs41_attr_cache_update(cache, parent->fh.fileid, dir_attrs->info);
+
+ /* add the file handle and attributes to the name cache */
+ memcpy(&file_attrs->info->attrmask, &file_attrs->obj_attributes.attrmask,
+ sizeof(bitmap4));
+retry_cache_insert:
+ AcquireSRWLockShared(&file->path->lock);
+ status = nfs41_name_cache_insert(cache, file->path->path, &file->name,
+ &file->fh, file_attrs->info, changeinfo,
+ already_delegated ? OPEN_DELEGATE_NONE : delegation->type);
+ ReleaseSRWLockShared(&file->path->lock);
+
+ if (status == ERROR_TOO_MANY_OPEN_FILES) {
+ /* the cache won't accept any more delegations; ask the client to
+ * return a delegation to free up a slot in the attribute cache */
+ status = nfs41_client_delegation_return_lru(session->client);
+ if (status == NFS4_OK)
+ goto retry_cache_insert;
+ }
+
+ if (status && delegation->type != OPEN_DELEGATE_NONE) {
+ /* if we can't make room in the cache, return this
+ * delegation immediately to free resources on the server */
+ open_delegation_return(session, file, delegation, try_recovery);
+ goto retry_cache_insert;
+ }
+}
+
+int nfs41_open(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *parent,
+ IN nfs41_path_fh *file,
+ IN state_owner4 *owner,
+ IN open_claim4 *claim,
+ IN uint32_t allow,
+ IN uint32_t deny,
+ IN uint32_t create,
+ IN uint32_t how_mode,
+ IN OPTIONAL nfs41_file_info *createattrs,
+ IN bool_t try_recovery,
+ OUT stateid4 *stateid,
+ OUT open_delegation4 *delegation,
+ OUT OPTIONAL nfs41_file_info *info)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[8];
+ nfs_resop4 resops[8];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args[2];
+ nfs41_putfh_res putfh_res[2];
+ nfs41_op_open_args open_args;
+ nfs41_op_open_res open_res;
+ nfs41_getfh_res getfh_res;
+ bitmap4 attr_request;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res getattr_res, pgetattr_res;
+ nfs41_savefh_res savefh_res;
+ nfs41_restorefh_res restorefh_res;
+ nfs41_file_info tmp_info, dir_info;
+ bool_t current_fh_is_dir;
+ bool_t already_delegated = delegation->type == OPEN_DELEGATE_READ
+ || delegation->type == OPEN_DELEGATE_WRITE;
+
+ /* depending on the claim type, OPEN expects CURRENT_FH set
+ * to either the parent directory, or to the file itself */
+ switch (claim->claim) {
+ case CLAIM_NULL:
+ case CLAIM_DELEGATE_CUR:
+ case CLAIM_DELEGATE_PREV:
+ /* CURRENT_FH: directory */
+ current_fh_is_dir = TRUE;
+ /* SEQUENCE; PUTFH(dir); SAVEFH; OPEN;
+ * GETFH(file); GETATTR(file); RESTOREFH(dir); GETATTR */
+ nfs41_superblock_getattr_mask(parent->fh.superblock, &attr_request);
+ break;
+ case CLAIM_PREVIOUS:
+ case CLAIM_FH:
+ case CLAIM_DELEG_CUR_FH:
+ case CLAIM_DELEG_PREV_FH:
+ default:
+ /* CURRENT_FH: file being opened */
+ current_fh_is_dir = FALSE;
+ /* SEQUENCE; PUTFH(file); OPEN; GETATTR(file); PUTFH(dir); GETATTR */
+ nfs41_superblock_getattr_mask(file->fh.superblock, &attr_request);
+ break;
+ }
+
+ if (info == NULL)
+ info = &tmp_info;
+
+ attr_request.arr[0] |= FATTR4_WORD0_FSID;
+
+ compound_init(&compound, argops, resops, "open");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 1);
+
+ if (current_fh_is_dir) {
+ /* CURRENT_FH: directory */
+ compound_add_op(&compound, OP_PUTFH, &putfh_args[0], &putfh_res[0]);
+ putfh_args[0].file = parent;
+ putfh_args[0].in_recovery = 0;
+
+ compound_add_op(&compound, OP_SAVEFH, NULL, &savefh_res);
+ } else {
+ /* CURRENT_FH: file being opened */
+ compound_add_op(&compound, OP_PUTFH, &putfh_args[0], &putfh_res[0]);
+ putfh_args[0].file = file;
+ putfh_args[0].in_recovery = 0;
+ }
+
+ compound_add_op(&compound, OP_OPEN, &open_args, &open_res);
+ open_args.seqid = 0;
+#ifdef DISABLE_FILE_DELEGATIONS
+ open_args.share_access = allow | OPEN4_SHARE_ACCESS_WANT_NO_DELEG;
+#else
+ open_args.share_access = allow;
+#endif
+ open_args.share_deny = deny;
+ open_args.owner = owner;
+ open_args.openhow.opentype = create;
+ open_args.openhow.how.mode = how_mode;
+ open_args.openhow.how.createattrs = createattrs;
+ if (how_mode == EXCLUSIVE4_1) {
+ DWORD tid = GetCurrentThreadId();
+ time((time_t*)open_args.openhow.how.createverf);
+ memcpy(open_args.openhow.how.createverf+4, &tid, sizeof(tid));
+ /* mask unsupported attributes */
+ nfs41_superblock_supported_attrs_exclcreat(
+ parent->fh.superblock, &createattrs->attrmask);
+ } else if (createattrs) {
+ /* mask unsupported attributes */
+ nfs41_superblock_supported_attrs(
+ parent->fh.superblock, &createattrs->attrmask);
+ }
+ open_args.claim = claim;
+ open_res.resok4.stateid = stateid;
+ open_res.resok4.delegation = delegation;
+
+ if (current_fh_is_dir) {
+ compound_add_op(&compound, OP_GETFH, NULL, &getfh_res);
+ getfh_res.fh = &file->fh;
+ }
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &getattr_res);
+ getattr_args.attr_request = &attr_request;
+ getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res.info = info;
+
+ if (current_fh_is_dir) {
+ compound_add_op(&compound, OP_RESTOREFH, NULL, &restorefh_res);
+ } else {
+ compound_add_op(&compound, OP_PUTFH, &putfh_args[1], &putfh_res[1]);
+ putfh_args[1].file = parent;
+ putfh_args[1].in_recovery = 0;
+ }
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &pgetattr_res);
+ getattr_args.attr_request = &attr_request;
+ pgetattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ pgetattr_res.info = &dir_info;
+
+ status = compound_encode_send_decode(session, &compound, try_recovery);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ if (dir_info.type == NF4ATTRDIR) {
+ file->fh.superblock = parent->fh.superblock;
+ goto out;
+ }
+
+ /* fill in the file handle's fileid and superblock */
+ file->fh.fileid = info->fileid;
+ status = nfs41_superblock_for_fh(session, &info->fsid, &parent->fh, file);
+ if (status)
+ goto out;
+
+ if (create == OPEN4_CREATE)
+ nfs41_superblock_space_changed(file->fh.superblock);
+
+ /* update the name/attr cache with the results */
+ open_update_cache(session, parent, file, try_recovery, delegation,
+ already_delegated, &open_res.resok4.cinfo, &pgetattr_res, &getattr_res);
+out:
+ return status;
+}
+
+int nfs41_create(
+ IN nfs41_session *session,
+ IN uint32_t type,
+ IN nfs41_file_info *createattrs,
+ IN OPTIONAL const char *symlink,
+ IN nfs41_path_fh *parent,
+ OUT nfs41_path_fh *file,
+ OUT nfs41_file_info *info)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[8];
+ nfs_resop4 resops[8];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_create_args create_args;
+ nfs41_create_res create_res;
+ nfs41_getfh_res getfh_res;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res getattr_res, pgetattr_res;
+ bitmap4 attr_request;
+ nfs41_file_info dir_info;
+ nfs41_savefh_res savefh_res;
+ nfs41_restorefh_res restorefh_res;
+
+ nfs41_superblock_getattr_mask(parent->fh.superblock, &attr_request);
+
+ compound_init(&compound, argops, resops, "create");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 1);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = parent;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_SAVEFH, NULL, &savefh_res);
+
+ compound_add_op(&compound, OP_CREATE, &create_args, &create_res);
+ create_args.objtype.type = type;
+ if (type == NF4LNK) {
+ create_args.objtype.u.lnk.linkdata = symlink;
+ create_args.objtype.u.lnk.linkdata_len = (uint32_t)strlen(symlink);
+ }
+ create_args.name = &file->name;
+ create_args.createattrs = createattrs;
+ nfs41_superblock_supported_attrs(
+ parent->fh.superblock, &createattrs->attrmask);
+
+ compound_add_op(&compound, OP_GETFH, NULL, &getfh_res);
+ getfh_res.fh = &file->fh;
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &getattr_res);
+ getattr_args.attr_request = &attr_request;
+ getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res.info = info;
+
+ compound_add_op(&compound, OP_RESTOREFH, NULL, &restorefh_res);
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &pgetattr_res);
+ getattr_args.attr_request = &attr_request;
+ pgetattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ pgetattr_res.info = &dir_info;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ /* fill in the file handle's fileid and superblock */
+ file->fh.fileid = info->fileid;
+ file->fh.superblock = parent->fh.superblock;
+
+ /* update the attributes of the parent directory */
+ memcpy(&dir_info.attrmask, &pgetattr_res.obj_attributes.attrmask,
+ sizeof(bitmap4));
+ nfs41_attr_cache_update(session_name_cache(session),
+ parent->fh.fileid, &dir_info);
+
+ /* add the new file handle and attributes to the name cache */
+ memcpy(&info->attrmask, &getattr_res.obj_attributes.attrmask,
+ sizeof(bitmap4));
+ AcquireSRWLockShared(&file->path->lock);
+ nfs41_name_cache_insert(session_name_cache(session),
+ file->path->path, &file->name, &file->fh,
+ info, &create_res.cinfo, OPEN_DELEGATE_NONE);
+ ReleaseSRWLockShared(&file->path->lock);
+
+ nfs41_superblock_space_changed(file->fh.superblock);
+out:
+ return status;
+}
+
+int nfs41_close(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN stateid_arg *stateid)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[4];
+ nfs_resop4 resops[4];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_op_close_args close_args;
+ nfs41_op_close_res close_res;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res getattr_res;
+ bitmap4 attr_request;
+ nfs41_file_info info;
+
+ nfs41_superblock_getattr_mask(file->fh.superblock, &attr_request);
+
+ compound_init(&compound, argops, resops, "close");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 1);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_CLOSE, &close_args, &close_res);
+ close_args.stateid = stateid;
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &getattr_res);
+ getattr_args.attr_request = &attr_request;
+ getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res.info = &info;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ if (info.type == NF4NAMEDATTR)
+ goto out;
+
+ /* update the attributes of the parent directory */
+ memcpy(&info.attrmask, &getattr_res.obj_attributes.attrmask,
+ sizeof(bitmap4));
+ nfs41_attr_cache_update(session_name_cache(session),
+ file->fh.fileid, &info);
+out:
+ return status;
+}
+
+int nfs41_write(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN stateid_arg *stateid,
+ IN unsigned char *data,
+ IN uint32_t data_len,
+ IN uint64_t offset,
+ IN enum stable_how4 stable,
+ OUT uint32_t *bytes_written,
+ OUT nfs41_write_verf *verf,
+ OUT nfs41_file_info *cinfo)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[4];
+ nfs_resop4 resops[4];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_write_args write_args;
+ nfs41_write_res write_res;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res getattr_res = {0};
+ bitmap4 attr_request;
+ nfs41_file_info info = { 0 }, *pinfo;
+
+ nfs41_superblock_getattr_mask(file->fh.superblock, &attr_request);
+
+ compound_init(&compound, argops, resops,
+ stateid->stateid.seqid == 0 ? "ds write" : "write");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_WRITE, &write_args, &write_res);
+ write_args.stateid = stateid;
+ write_args.offset = offset;
+ write_args.stable = stable;
+ write_args.data_len = data_len;
+ write_args.data = data;
+ write_res.resok4.verf = verf;
+
+ if (cinfo) pinfo = cinfo;
+ else pinfo = &info;
+
+ if (stable != UNSTABLE4) {
+ /* if the write is stable, we can't rely on COMMIT to update
+ * the attribute cache, so we do the GETATTR here */
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &getattr_res);
+ getattr_args.attr_request = &attr_request;
+ getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res.info = pinfo;
+ }
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ if (stable != UNSTABLE4 && pinfo->type != NF4NAMEDATTR) {
+ /* update the attribute cache */
+ memcpy(&pinfo->attrmask, &getattr_res.obj_attributes.attrmask,
+ sizeof(bitmap4));
+ nfs41_attr_cache_update(session_name_cache(session),
+ file->fh.fileid, pinfo);
+ }
+
+ *bytes_written = write_res.resok4.count;
+
+ /* we shouldn't ever see this, but a buggy server could
+ * send us into an infinite loop. return NFS4ERR_IO */
+ if (!write_res.resok4.count) {
+ status = NFS4ERR_IO;
+ eprintf("WRITE succeeded with count=0; returning %s\n",
+ nfs_error_string(status));
+ }
+
+ nfs41_superblock_space_changed(file->fh.superblock);
+out:
+ return status;
+}
+
+int nfs41_read(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN stateid_arg *stateid,
+ IN uint64_t offset,
+ IN uint32_t count,
+ OUT unsigned char *data_out,
+ OUT uint32_t *data_len_out,
+ OUT bool_t *eof_out)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[4];
+ nfs_resop4 resops[4];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_read_args read_args;
+ nfs41_read_res read_res;
+
+ compound_init(&compound, argops, resops,
+ stateid->stateid.seqid == 0 ? "ds read" : "read");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_READ, &read_args, &read_res);
+ read_args.stateid = stateid;
+ read_args.offset = offset;
+ read_args.count = count;
+ read_res.resok4.data_len = count;
+ read_res.resok4.data = data_out;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ *data_len_out = read_res.resok4.data_len;
+ *eof_out = read_res.resok4.eof;
+
+ /* we shouldn't ever see this, but a buggy server could
+ * send us into an infinite loop. return NFS4ERR_IO */
+ if (!read_res.resok4.data_len && !read_res.resok4.eof) {
+ status = NFS4ERR_IO;
+ eprintf("READ succeeded with len=0 and eof=0; returning %s\n",
+ nfs_error_string(status));
+ }
+out:
+ return status;
+}
+
+int nfs41_commit(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN uint64_t offset,
+ IN uint32_t count,
+ IN bool_t do_getattr,
+ OUT nfs41_write_verf *verf,
+ OUT nfs41_file_info *cinfo)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[4];
+ nfs_resop4 resops[4];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_commit_args commit_args;
+ nfs41_commit_res commit_res;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res getattr_res = {0};
+ bitmap4 attr_request;
+ nfs41_file_info info, *pinfo;
+
+ compound_init(&compound, argops, resops,
+ do_getattr ? "commit" : "ds commit");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 1);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_COMMIT, &commit_args, &commit_res);
+ commit_args.offset = offset;
+ commit_args.count = count;
+ commit_res.verf = verf;
+
+ /* send a GETATTR request to update the attribute cache,
+ * but not if we're talking to a data server! */
+ if (cinfo) pinfo = cinfo;
+ else pinfo = &info;
+ if (do_getattr) {
+ nfs41_superblock_getattr_mask(file->fh.superblock, &attr_request);
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &getattr_res);
+ getattr_args.attr_request = &attr_request;
+ getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res.info = pinfo;
+ }
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ if (do_getattr) {
+ /* update the attribute cache */
+ memcpy(&pinfo->attrmask, &getattr_res.obj_attributes.attrmask,
+ sizeof(bitmap4));
+ nfs41_attr_cache_update(session_name_cache(session),
+ file->fh.fileid, pinfo);
+ }
+ nfs41_superblock_space_changed(file->fh.superblock);
+out:
+ return status;
+}
+
+int nfs41_lock(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN state_owner4 *owner,
+ IN uint32_t type,
+ IN uint64_t offset,
+ IN uint64_t length,
+ IN bool_t reclaim,
+ IN bool_t try_recovery,
+ IN OUT stateid_arg *stateid)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_lock_args lock_args;
+ nfs41_lock_res lock_res;
+
+ compound_init(&compound, argops, resops, "lock");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_LOCK, &lock_args, &lock_res);
+ lock_args.locktype = type;
+ lock_args.reclaim = reclaim;
+ lock_args.offset = offset;
+ lock_args.length = length;
+ if (stateid->type == STATEID_LOCK) {
+ lock_args.locker.new_lock_owner = 0;
+ lock_args.locker.u.lock_owner.lock_stateid = stateid;
+ lock_args.locker.u.lock_owner.lock_seqid = 0; /* ignored */
+ } else {
+ lock_args.locker.new_lock_owner = 1;
+ lock_args.locker.u.open_owner.open_seqid = 0; /* ignored */
+ lock_args.locker.u.open_owner.open_stateid = stateid;
+ lock_args.locker.u.open_owner.lock_seqid = 0; /* ignored */
+ lock_args.locker.u.open_owner.lock_owner = owner;
+ }
+ lock_res.u.resok4.lock_stateid = &stateid->stateid;
+ lock_res.u.denied.owner.owner_len = NFS4_OPAQUE_LIMIT;
+
+ status = compound_encode_send_decode(session, &compound, try_recovery);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ stateid->type = STATEID_LOCK; /* returning a lock stateid */
+out:
+ return status;
+}
+
+int nfs41_unlock(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN uint64_t offset,
+ IN uint64_t length,
+ IN OUT stateid_arg *stateid)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_locku_args locku_args;
+ nfs41_locku_res locku_res;
+
+ compound_init(&compound, argops, resops, "unlock");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_LOCKU, &locku_args, &locku_res);
+ /* 18.12.3: the server MUST accept any legal value for locktype */
+ locku_args.locktype = READ_LT;
+ locku_args.offset = offset;
+ locku_args.length = length;
+ locku_args.lock_stateid = stateid;
+ locku_res.lock_stateid = &stateid->stateid;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+int nfs41_readdir(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN bitmap4 *attr_request,
+ IN nfs41_readdir_cookie *cookie,
+ OUT unsigned char *entries,
+ IN OUT uint32_t *entries_len,
+ OUT bool_t *eof_out)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_readdir_args readdir_args;
+ nfs41_readdir_res readdir_res;
+
+ compound_init(&compound, argops, resops, "readdir");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_READDIR, &readdir_args, &readdir_res);
+ readdir_args.cookie.cookie = cookie->cookie;
+ memcpy(readdir_args.cookie.verf, cookie->verf, NFS4_VERIFIER_SIZE);
+ readdir_args.dircount = *entries_len;
+ readdir_args.maxcount = *entries_len + sizeof(nfs41_readdir_res);
+ readdir_args.attr_request = attr_request;
+ readdir_res.reply.entries_len = *entries_len;
+ readdir_res.reply.entries = entries;
+ ZeroMemory(entries, readdir_args.dircount);
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ *entries_len = readdir_res.reply.entries_len;
+ *eof_out = readdir_res.reply.eof;
+ memcpy(cookie->verf, readdir_res.cookieverf, NFS4_VERIFIER_SIZE);
+out:
+ return status;
+}
+
+int nfs41_getattr(
+ IN nfs41_session *session,
+ IN OPTIONAL nfs41_path_fh *file,
+ IN bitmap4 *attr_request,
+ OUT nfs41_file_info *info)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res getattr_res;
+
+ compound_init(&compound, argops, resops, "getattr");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ if (file) {
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+ } else {
+ compound_add_op(&compound, OP_PUTROOTFH, NULL, &putfh_res);
+ }
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &getattr_res);
+ getattr_args.attr_request = attr_request;
+ getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res.info = info;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ if (file) {
+ /* update the name cache with whatever attributes we got */
+ memcpy(&info->attrmask, &getattr_res.obj_attributes.attrmask,
+ sizeof(bitmap4));
+ nfs41_attr_cache_update(session_name_cache(session),
+ file->fh.fileid, info);
+ }
+out:
+ return status;
+}
+
+int nfs41_superblock_getattr(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN bitmap4 *attr_request,
+ OUT nfs41_file_info *info,
+ OUT bool_t *supports_named_attrs)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[4];
+ nfs_resop4 resops[4];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res getattr_res;
+ nfs41_openattr_args openattr_args;
+ nfs41_openattr_res openattr_res;
+
+ compound_init(&compound, argops, resops, "getfsattr");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &getattr_res);
+ getattr_args.attr_request = attr_request;
+ getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res.info = info;
+
+ compound_add_op(&compound, OP_OPENATTR, &openattr_args, &openattr_res);
+ openattr_args.createdir = 0;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ status = sequence_res.sr_status;
+ if (status) goto out;
+ status = putfh_res.status;
+ if (status) goto out;
+ status = getattr_res.status;
+ if (status) goto out;
+
+ switch (status = openattr_res.status) {
+ case NFS4ERR_NOTSUPP:
+ *supports_named_attrs = 0;
+ status = NFS4_OK;
+ break;
+
+ case NFS4ERR_NOENT:
+ case NFS4_OK:
+ *supports_named_attrs = 1;
+ status = NFS4_OK;
+ break;
+ }
+out:
+ return status;
+}
+
+int nfs41_remove(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *parent,
+ IN const nfs41_component *target,
+ IN uint64_t fileid)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[4];
+ nfs_resop4 resops[4];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_remove_args remove_args;
+ nfs41_remove_res remove_res;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res getattr_res;
+ bitmap4 attr_request;
+ nfs41_file_info info;
+
+ nfs41_superblock_getattr_mask(parent->fh.superblock, &attr_request);
+
+ compound_init(&compound, argops, resops, "remove");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 1);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = parent;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_REMOVE, &remove_args, &remove_res);
+ remove_args.target = target;
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &getattr_res);
+ getattr_args.attr_request = &attr_request;
+ getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res.info = &info;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ if (info.type == NF4ATTRDIR)
+ goto out;
+
+ /* update the attributes of the parent directory */
+ memcpy(&info.attrmask, &getattr_res.obj_attributes.attrmask,
+ sizeof(bitmap4));
+ nfs41_attr_cache_update(session_name_cache(session),
+ parent->fh.fileid, &info);
+
+ /* remove the target file from the cache */
+ AcquireSRWLockShared(&parent->path->lock);
+ nfs41_name_cache_remove(session_name_cache(session),
+ parent->path->path, target, fileid, &remove_res.cinfo);
+ ReleaseSRWLockShared(&parent->path->lock);
+
+ nfs41_superblock_space_changed(parent->fh.superblock);
+out:
+ return status;
+}
+
+int nfs41_rename(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *src_dir,
+ IN const nfs41_component *src_name,
+ IN nfs41_path_fh *dst_dir,
+ IN const nfs41_component *dst_name)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[8];
+ nfs_resop4 resops[8];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args src_putfh_args;
+ nfs41_putfh_res src_putfh_res;
+ nfs41_savefh_res savefh_res;
+ nfs41_putfh_args dst_putfh_args;
+ nfs41_putfh_res dst_putfh_res;
+ nfs41_rename_args rename_args;
+ nfs41_rename_res rename_res;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res src_getattr_res, dst_getattr_res;
+ nfs41_file_info src_info, dst_info;
+ bitmap4 attr_request;
+ nfs41_restorefh_res restorefh_res;
+
+ nfs41_superblock_getattr_mask(src_dir->fh.superblock, &attr_request);
+
+ compound_init(&compound, argops, resops, "rename");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 1);
+
+ compound_add_op(&compound, OP_PUTFH, &src_putfh_args, &src_putfh_res);
+ src_putfh_args.file = src_dir;
+ src_putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_SAVEFH, NULL, &savefh_res);
+
+ compound_add_op(&compound, OP_PUTFH, &dst_putfh_args, &dst_putfh_res);
+ dst_putfh_args.file = dst_dir;
+ dst_putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_RENAME, &rename_args, &rename_res);
+ rename_args.oldname = src_name;
+ rename_args.newname = dst_name;
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &dst_getattr_res);
+ getattr_args.attr_request = &attr_request;
+ dst_getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ dst_getattr_res.info = &dst_info;
+
+ compound_add_op(&compound, OP_RESTOREFH, NULL, &restorefh_res);
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &src_getattr_res);
+ src_getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ src_getattr_res.info = &src_info;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ /* update the attributes of the source directory */
+ memcpy(&src_info.attrmask, &src_getattr_res.obj_attributes.attrmask,
+ sizeof(bitmap4));
+ nfs41_attr_cache_update(session_name_cache(session),
+ src_dir->fh.fileid, &src_info);
+
+ /* update the attributes of the destination directory */
+ memcpy(&dst_info.attrmask, &dst_getattr_res.obj_attributes.attrmask,
+ sizeof(bitmap4));
+ nfs41_attr_cache_update(session_name_cache(session),
+ dst_dir->fh.fileid, &dst_info);
+
+ if (src_dir->path == dst_dir->path) {
+ /* source and destination are the same, only lock it once */
+ AcquireSRWLockShared(&src_dir->path->lock);
+ } else if (src_dir->path < dst_dir->path) {
+ /* lock the lowest memory address first */
+ AcquireSRWLockShared(&src_dir->path->lock);
+ AcquireSRWLockShared(&dst_dir->path->lock);
+ } else {
+ AcquireSRWLockShared(&dst_dir->path->lock);
+ AcquireSRWLockShared(&src_dir->path->lock);
+ }
+
+ /* move/rename the target file's name cache entry */
+ nfs41_name_cache_rename(session_name_cache(session),
+ src_dir->path->path, src_name, &rename_res.source_cinfo,
+ dst_dir->path->path, dst_name, &rename_res.target_cinfo);
+
+ if (src_dir->path == dst_dir->path) {
+ ReleaseSRWLockShared(&src_dir->path->lock);
+ } else {
+ ReleaseSRWLockShared(&src_dir->path->lock);
+ ReleaseSRWLockShared(&dst_dir->path->lock);
+ }
+out:
+ return status;
+}
+
+int nfs41_setattr(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN stateid_arg *stateid,
+ IN nfs41_file_info *info)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[4];
+ nfs_resop4 resops[4];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_setattr_args setattr_args;
+ nfs41_setattr_res setattr_res;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res getattr_res;
+ bitmap4 attr_request;
+
+ compound_init(&compound, argops, resops, "setattr");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_SETATTR, &setattr_args, &setattr_res);
+ setattr_args.stateid = stateid;
+ setattr_args.info = info;
+
+ nfs41_superblock_getattr_mask(file->fh.superblock, &attr_request);
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &getattr_res);
+ getattr_args.attr_request = &attr_request;
+ getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res.info = info;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ memcpy(&info->attrmask, &attr_request, sizeof(bitmap4));
+ nfs41_attr_cache_update(session_name_cache(session),
+ file->fh.fileid, info);
+
+ if (setattr_res.attrsset.arr[0] & FATTR4_WORD0_SIZE)
+ nfs41_superblock_space_changed(file->fh.superblock);
+out:
+ return status;
+}
+
+int nfs41_link(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *src,
+ IN nfs41_path_fh *dst_dir,
+ IN const nfs41_component *target,
+ OUT nfs41_file_info *cinfo)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[9];
+ nfs_resop4 resops[9];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args[2];
+ nfs41_putfh_res putfh_res[2];
+ nfs41_savefh_res savefh_res;
+ nfs41_link_args link_args;
+ nfs41_link_res link_res;
+ nfs41_lookup_args lookup_args;
+ nfs41_lookup_res lookup_res;
+ nfs41_getfh_res getfh_res;
+ nfs41_getattr_args getattr_args[2];
+ nfs41_getattr_res getattr_res[2];
+ nfs41_file_info info = { 0 };
+ nfs41_path_fh file;
+
+ nfs41_superblock_getattr_mask(src->fh.superblock, &info.attrmask);
+ nfs41_superblock_getattr_mask(dst_dir->fh.superblock, &cinfo->attrmask);
+ cinfo->attrmask.arr[0] |= FATTR4_WORD0_FSID;
+
+ compound_init(&compound, argops, resops, "link");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 1);
+
+ /* PUTFH(src) */
+ compound_add_op(&compound, OP_PUTFH, &putfh_args[0], &putfh_res[0]);
+ putfh_args[0].file = src;
+ putfh_args[0].in_recovery = 0;
+
+ compound_add_op(&compound, OP_SAVEFH, NULL, &savefh_res);
+
+ /* PUTFH(dst_dir) */
+ compound_add_op(&compound, OP_PUTFH, &putfh_args[1], &putfh_res[1]);
+ putfh_args[1].file = dst_dir;
+ putfh_args[1].in_recovery = 0;
+
+ compound_add_op(&compound, OP_LINK, &link_args, &link_res);
+ link_args.newname = target;
+
+ /* GETATTR(dst_dir) */
+ compound_add_op(&compound, OP_GETATTR, &getattr_args[0], &getattr_res[0]);
+ getattr_args[0].attr_request = &info.attrmask;
+ getattr_res[0].obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res[0].info = &info;
+
+ /* LOOKUP(target) */
+ compound_add_op(&compound, OP_LOOKUP, &lookup_args, &lookup_res);
+ lookup_args.name = target;
+
+ /* GETATTR(target) */
+ compound_add_op(&compound, OP_GETATTR, &getattr_args[1], &getattr_res[1]);
+ getattr_args[1].attr_request = &cinfo->attrmask;
+ getattr_res[1].obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res[1].info = cinfo;
+
+ /* GETFH(target) */
+ compound_add_op(&compound, OP_GETFH, NULL, &getfh_res);
+ getfh_res.fh = &file.fh;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ /* fill in the file handle's fileid and superblock */
+ file.fh.fileid = cinfo->fileid;
+ status = nfs41_superblock_for_fh(session,
+ &cinfo->fsid, &dst_dir->fh, &file);
+ if (status)
+ goto out;
+
+ /* update the attributes of the destination directory */
+ memcpy(&info.attrmask, &getattr_res[0].obj_attributes.attrmask,
+ sizeof(bitmap4));
+ nfs41_attr_cache_update(session_name_cache(session),
+ info.fileid, &info);
+
+ /* add the new file handle and attributes to the name cache */
+ memcpy(&cinfo->attrmask, &getattr_res[1].obj_attributes.attrmask,
+ sizeof(bitmap4));
+ AcquireSRWLockShared(&dst_dir->path->lock);
+ nfs41_name_cache_insert(session_name_cache(session),
+ dst_dir->path->path, target, &file.fh,
+ cinfo, &link_res.cinfo, OPEN_DELEGATE_NONE);
+ ReleaseSRWLockShared(&dst_dir->path->lock);
+
+ nfs41_superblock_space_changed(dst_dir->fh.superblock);
+out:
+ return status;
+}
+
+int nfs41_readlink(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN uint32_t max_len,
+ OUT char *link_out,
+ OUT uint32_t *len_out)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_readlink_res readlink_res;
+
+ compound_init(&compound, argops, resops, "readlink");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_READLINK, NULL, &readlink_res);
+ readlink_res.link_len = max_len - 1;
+ readlink_res.link = link_out;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ link_out[readlink_res.link_len] = '\0';
+ *len_out = readlink_res.link_len;
+out:
+ return status;
+}
+
+int nfs41_access(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN uint32_t requested,
+ OUT uint32_t *supported OPTIONAL,
+ OUT uint32_t *access OPTIONAL)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_access_args access_args;
+ nfs41_access_res access_res;
+
+ compound_init(&compound, argops, resops, "access");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_ACCESS, &access_args, &access_res);
+ access_args.access = requested;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ if (supported)
+ *supported = access_res.supported;
+ if (access)
+ *access = access_res.access;
+out:
+ return status;
+}
+
+int nfs41_send_sequence(
+ IN nfs41_session *session)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[1];
+ nfs_resop4 resops[1];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+
+ compound_init(&compound, argops, resops, "sequence");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+out:
+ return status;
+}
+
+enum nfsstat4 nfs41_want_delegation(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN deleg_claim4 *claim,
+ IN uint32_t want,
+ IN bool_t try_recovery,
+ OUT open_delegation4 *delegation)
+{
+ enum nfsstat4 status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_want_delegation_args wd_args;
+ nfs41_want_delegation_res wd_res;
+
+ compound_init(&compound, argops, resops, "want_delegation");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_WANT_DELEGATION, &wd_args, &wd_res);
+ wd_args.claim = claim;
+ wd_args.want = want;
+ wd_res.delegation = delegation;
+
+ status = compound_encode_send_decode(session, &compound, try_recovery);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+int nfs41_delegpurge(
+ IN nfs41_session *session)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[2];
+ nfs_resop4 resops[2];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_delegpurge_res dp_res;
+
+ compound_init(&compound, argops, resops, "delegpurge");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_DELEGPURGE, NULL, &dp_res);
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+int nfs41_delegreturn(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN stateid_arg *stateid,
+ IN bool_t try_recovery)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_delegreturn_args dr_args;
+ nfs41_delegreturn_res dr_res;
+
+ compound_init(&compound, argops, resops, "delegreturn");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_DELEGRETURN, &dr_args, &dr_res);
+ dr_args.stateid = stateid;
+
+ status = compound_encode_send_decode(session, &compound, try_recovery);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ AcquireSRWLockShared(&file->path->lock);
+ nfs41_name_cache_delegreturn(session_name_cache(session),
+ file->fh.fileid, file->path->path, &file->name);
+ ReleaseSRWLockShared(&file->path->lock);
+out:
+ return status;
+}
+
+enum nfsstat4 nfs41_fs_locations(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *parent,
+ IN const nfs41_component *name,
+ OUT fs_locations4 *locations)
+{
+ enum nfsstat4 status;
+ nfs41_compound compound;
+ nfs_argop4 argops[4];
+ nfs_resop4 resops[4];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_lookup_args lookup_args;
+ nfs41_lookup_res lookup_res;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res getattr_res;
+ bitmap4 attr_request = { 1, { FATTR4_WORD0_FS_LOCATIONS } };
+ nfs41_file_info info;
+
+ compound_init(&compound, argops, resops, "fs_locations");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = parent;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_LOOKUP, &lookup_args, &lookup_res);
+ lookup_args.name = name;
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &getattr_res);
+ getattr_args.attr_request = &attr_request;
+ info.fs_locations = locations;
+ getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res.info = &info;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+int nfs41_secinfo(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN const nfs41_component *name,
+ OUT nfs41_secinfo_info *secinfo)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_secinfo_args secinfo_args;
+ nfs41_secinfo_noname_res secinfo_res;
+
+ compound_init(&compound, argops, resops, "secinfo");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ if (file == NULL)
+ compound_add_op(&compound, OP_PUTROOTFH, NULL, &putfh_res);
+ else {
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+ }
+
+ compound_add_op(&compound, OP_SECINFO, &secinfo_args, &secinfo_res);
+ secinfo_args.name = name;
+ secinfo_res.secinfo = secinfo;
+
+ status = compound_encode_send_decode(session, &compound, FALSE);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+int nfs41_secinfo_noname(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ OUT nfs41_secinfo_info *secinfo)
+{
+ int status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_secinfo_noname_args noname_args;
+ nfs41_secinfo_noname_res noname_res;
+
+ compound_init(&compound, argops, resops, "secinfo_no_name");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ if (file == NULL)
+ compound_add_op(&compound, OP_PUTROOTFH, NULL, &putfh_res);
+ else {
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+ }
+
+ compound_add_op(&compound, OP_SECINFO_NO_NAME, &noname_args, &noname_res);
+ noname_args.type = SECINFO_STYLE4_CURRENT_FH;
+ noname_res.secinfo = secinfo;
+
+ status = compound_encode_send_decode(session, &compound, FALSE);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+enum nfsstat4 nfs41_free_stateid(
+ IN nfs41_session *session,
+ IN stateid4 *stateid)
+{
+ enum nfsstat4 status;
+ nfs41_compound compound;
+ nfs_argop4 argops[2];
+ nfs_resop4 resops[2];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_free_stateid_args freestateid_args;
+ nfs41_free_stateid_res freestateid_res;
+
+ compound_init(&compound, argops, resops, "free_stateid");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_FREE_STATEID, &freestateid_args, &freestateid_res);
+ freestateid_args.stateid = stateid;
+
+ status = compound_encode_send_decode(session, &compound, FALSE);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+enum nfsstat4 nfs41_test_stateid(
+ IN nfs41_session *session,
+ IN stateid_arg *stateid_array,
+ IN uint32_t count,
+ OUT uint32_t *status_array)
+{
+ enum nfsstat4 status;
+ nfs41_compound compound;
+ nfs_argop4 argops[2];
+ nfs_resop4 resops[2];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_test_stateid_args teststateid_args;
+ nfs41_test_stateid_res teststateid_res;
+
+ compound_init(&compound, argops, resops, "test_stateid");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_TEST_STATEID, &teststateid_args, &teststateid_res);
+ teststateid_args.stateids = stateid_array;
+ teststateid_args.count = count;
+ teststateid_res.resok.status = status_array;
+ teststateid_res.resok.count = count;
+
+ status = compound_encode_send_decode(session, &compound, FALSE);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+enum nfsstat4 pnfs_rpc_layoutget(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN stateid_arg *stateid,
+ IN enum pnfs_iomode iomode,
+ IN uint64_t offset,
+ IN uint64_t minlength,
+ IN uint64_t length,
+ OUT pnfs_layoutget_res_ok *layoutget_res_ok)
+{
+ enum nfsstat4 status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ pnfs_layoutget_args layoutget_args;
+ pnfs_layoutget_res layoutget_res = { 0 };
+ uint32_t i;
+ struct list_entry *entry;
+
+ compound_init(&compound, argops, resops, "layoutget");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_LAYOUTGET, &layoutget_args, &layoutget_res);
+ layoutget_args.signal_layout_avail = 0;
+ layoutget_args.layout_type = PNFS_LAYOUTTYPE_FILE;
+ layoutget_args.iomode = iomode;
+ layoutget_args.offset = offset;
+ layoutget_args.minlength = minlength;
+ layoutget_args.length = length;
+ layoutget_args.stateid = stateid;
+ layoutget_args.maxcount = session->fore_chan_attrs.ca_maxresponsesize - READ_OVERHEAD;
+
+ layoutget_res.u.res_ok = layoutget_res_ok;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ /* point each file handle to the meta server's superblock */
+ list_for_each(entry, &layoutget_res_ok->layouts) {
+ pnfs_layout *base = list_container(entry, pnfs_layout, entry);
+ if (base->type == PNFS_LAYOUTTYPE_FILE) {
+ pnfs_file_layout *layout = (pnfs_file_layout*)base;
+ for (i = 0; i < layout->filehandles.count; i++)
+ layout->filehandles.arr[i].fh.superblock = file->fh.superblock;
+ }
+ }
+out:
+ return status;
+}
+
+enum nfsstat4 pnfs_rpc_layoutcommit(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN stateid4 *stateid,
+ IN uint64_t offset,
+ IN uint64_t length,
+ IN OPTIONAL uint64_t *new_last_offset,
+ IN OPTIONAL nfstime4 *new_time_modify,
+ OUT nfs41_file_info *info)
+{
+ enum nfsstat4 status;
+ nfs41_compound compound;
+ nfs_argop4 argops[4];
+ nfs_resop4 resops[4];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ pnfs_layoutcommit_args lc_args;
+ pnfs_layoutcommit_res lc_res;
+ nfs41_getattr_args getattr_args;
+ nfs41_getattr_res getattr_res;
+ bitmap4 attr_request;
+
+ nfs41_superblock_getattr_mask(file->fh.superblock, &attr_request);
+
+ compound_init(&compound, argops, resops, "layoutcommit");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_LAYOUTCOMMIT, &lc_args, &lc_res);
+ lc_args.offset = offset;
+ lc_args.length = length;
+ lc_args.stateid = stateid;
+ lc_args.new_time = new_time_modify;
+ lc_args.new_offset = new_last_offset;
+
+ compound_add_op(&compound, OP_GETATTR, &getattr_args, &getattr_res);
+ getattr_args.attr_request = &attr_request;
+ getattr_res.obj_attributes.attr_vals_len = NFS4_OPAQUE_LIMIT;
+ getattr_res.info = info;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ if (compound_error(status = compound.res.status))
+ goto out;
+
+ /* update the attribute cache */
+ memcpy(&info->attrmask, &getattr_res.obj_attributes.attrmask,
+ sizeof(bitmap4));
+ nfs41_attr_cache_update(session_name_cache(session),
+ file->fh.fileid, info);
+out:
+ return status;
+}
+
+enum nfsstat4 pnfs_rpc_layoutreturn(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN enum pnfs_layout_type type,
+ IN enum pnfs_iomode iomode,
+ IN uint64_t offset,
+ IN uint64_t length,
+ IN stateid4 *stateid,
+ OUT pnfs_layoutreturn_res *layoutreturn_res)
+{
+ enum nfsstat4 status;
+ nfs41_compound compound;
+ nfs_argop4 argops[3];
+ nfs_resop4 resops[3];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ pnfs_layoutreturn_args layoutreturn_args;
+
+ compound_init(&compound, argops, resops, "layoutreturn");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = 0;
+
+ compound_add_op(&compound, OP_LAYOUTRETURN, &layoutreturn_args, layoutreturn_res);
+ layoutreturn_args.reclaim = 0;
+ layoutreturn_args.type = type;
+ layoutreturn_args.iomode = iomode;
+ layoutreturn_args.return_type = PNFS_RETURN_FILE;
+ layoutreturn_args.offset = offset;
+ layoutreturn_args.length = length;
+ layoutreturn_args.stateid = stateid;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+enum nfsstat4 pnfs_rpc_getdeviceinfo(
+ IN nfs41_session *session,
+ IN unsigned char *deviceid,
+ OUT pnfs_file_device *device)
+{
+ enum nfsstat4 status;
+ nfs41_compound compound;
+ nfs_argop4 argops[2];
+ nfs_resop4 resops[2];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ pnfs_getdeviceinfo_args getdeviceinfo_args;
+ pnfs_getdeviceinfo_res getdeviceinfo_res;
+
+ compound_init(&compound, argops, resops, "get_deviceinfo");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_GETDEVICEINFO,
+ &getdeviceinfo_args, &getdeviceinfo_res);
+ getdeviceinfo_args.deviceid = deviceid;
+ getdeviceinfo_args.layout_type = PNFS_LAYOUTTYPE_FILE;
+ getdeviceinfo_args.maxcount = NFS41_MAX_SERVER_CACHE; /* XXX */
+ getdeviceinfo_args.notify_types.count = 0;
+ getdeviceinfo_res.u.res_ok.device = device;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+out:
+ return status;
+}
+
+enum nfsstat4 nfs41_rpc_openattr(
+ IN nfs41_session *session,
+ IN nfs41_path_fh *file,
+ IN bool_t createdir,
+ OUT nfs41_fh *fh_out)
+{
+ enum nfsstat4 status;
+ nfs41_compound compound;
+ nfs_argop4 argops[4];
+ nfs_resop4 resops[4];
+ nfs41_sequence_args sequence_args;
+ nfs41_sequence_res sequence_res;
+ nfs41_putfh_args putfh_args;
+ nfs41_putfh_res putfh_res;
+ nfs41_openattr_args openattr_args;
+ nfs41_openattr_res openattr_res;
+ nfs41_getfh_res getfh_res;
+
+ compound_init(&compound, argops, resops, "openattr");
+
+ compound_add_op(&compound, OP_SEQUENCE, &sequence_args, &sequence_res);
+ nfs41_session_sequence(&sequence_args, session, 0);
+
+ compound_add_op(&compound, OP_PUTFH, &putfh_args, &putfh_res);
+ putfh_args.file = file;
+ putfh_args.in_recovery = FALSE;
+
+ compound_add_op(&compound, OP_OPENATTR, &openattr_args, &openattr_res);
+ openattr_args.createdir = createdir;
+
+ compound_add_op(&compound, OP_GETFH, NULL, &getfh_res);
+ getfh_res.fh = fh_out;
+
+ status = compound_encode_send_decode(session, &compound, TRUE);
+ if (status)
+ goto out;
+
+ compound_error(status = compound.res.status);
+
+ fh_out->superblock = file->fh.superblock;
+out:
+ return status;
+}