nfs41_ops.c File Reference

#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"

Include dependency graph for nfs41_ops.c:

Go to the source code of this file.

Functions
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)
static int	set_fore_channel_attrs (IN nfs41_rpc_clnt *rpc, IN uint32_t max_req, OUT nfs41_channel_attrs *attrs)
static int	set_back_channel_attrs (IN nfs41_rpc_clnt *rpc, IN uint32_t max_req, OUT nfs41_channel_attrs *attrs)
int	nfs41_create_session (nfs41_client *clnt, nfs41_session *session, bool_t try_recovery)
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	nfs41_destroy_session (IN nfs41_session *session)
int	nfs41_destroy_clientid (IN nfs41_rpc_clnt *rpc, IN uint64_t clientid)
enum nfsstat4	nfs41_reclaim_complete (IN nfs41_session *session)
static void	open_delegation_return (IN nfs41_session *session, IN nfs41_path_fh *file, IN open_delegation4 *delegation, IN bool_t try_recovery)
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)
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	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	nfs41_close (IN nfs41_session *session, IN nfs41_path_fh *file, IN stateid_arg *stateid)
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	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	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	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	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	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	nfs41_getattr (IN nfs41_session *session, IN OPTIONAL nfs41_path_fh *file, IN bitmap4 *attr_request, OUT nfs41_file_info *info)
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	nfs41_remove (IN nfs41_session *session, IN nfs41_path_fh *parent, IN const nfs41_component *target, IN uint64_t fileid)
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	nfs41_setattr (IN nfs41_session *session, IN nfs41_path_fh *file, IN stateid_arg *stateid, IN nfs41_file_info *info)
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	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	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	nfs41_send_sequence (IN nfs41_session *session)
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)
int	nfs41_delegpurge (IN nfs41_session *session)
int	nfs41_delegreturn (IN nfs41_session *session, IN nfs41_path_fh *file, IN stateid_arg *stateid, IN bool_t try_recovery)
enum nfsstat4	nfs41_fs_locations (IN nfs41_session *session, IN nfs41_path_fh *parent, IN const nfs41_component *name, OUT fs_locations4 *locations)
int	nfs41_secinfo (IN nfs41_session *session, IN nfs41_path_fh *file, IN const nfs41_component *name, OUT nfs41_secinfo_info *secinfo)
int	nfs41_secinfo_noname (IN nfs41_session *session, IN nfs41_path_fh *file, OUT nfs41_secinfo_info *secinfo)
enum nfsstat4	nfs41_free_stateid (IN nfs41_session *session, IN stateid4 *stateid)
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	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	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	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	pnfs_rpc_getdeviceinfo (IN nfs41_session *session, IN unsigned char *deviceid, OUT pnfs_file_device *device)
enum nfsstat4	nfs41_rpc_openattr (IN nfs41_session *session, IN nfs41_path_fh *file, IN bool_t createdir, OUT nfs41_fh *fh_out)

Function Documentation

nfs41_access()

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
	)

Definition at line 1554 of file nfs41_ops.c.

{
    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;
}

Referenced by check_execute_access().

nfs41_bind_conn_to_session()

enum nfsstat4 nfs41_bind_conn_to_session	(	IN nfs41_rpc_clnt *	rpc,
		IN const unsigned char *	sessionid,
		IN enum channel_dir_from_client4	dir
	)

Definition at line 185 of file nfs41_ops.c.

{
    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;
}

Referenced by compound_encode_send_decode(), and rpc_reconnect().

nfs41_close()

int nfs41_close	(	IN nfs41_session *	session,
		IN nfs41_path_fh *	file,
		IN stateid_arg *	stateid
	)

Definition at line 627 of file nfs41_ops.c.

{
    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;
}

Referenced by cancel_open(), do_nfs41_close(), get_ea_value(), recover_delegation_open(), and set_ea_value().

nfs41_commit()

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
	)

Definition at line 833 of file nfs41_ops.c.

{
    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;
}

Referenced by file_layout_write_thread(), mds_commit(), and write_to_mds().

nfs41_create()

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
	)

Definition at line 530 of file nfs41_ops.c.

{
    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;
}

Referenced by handle_open(), and handle_symlink().

nfs41_create_session()

int nfs41_create_session	(	nfs41_client *	clnt,
		nfs41_session *	session,
		bool_t	try_recovery
	)

Definition at line 101 of file nfs41_ops.c.

{
    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;
}

Referenced by nfs41_session_create(), and nfs41_session_renew().

nfs41_delegpurge()

int nfs41_delegpurge

(

IN nfs41_session *

session

)

Definition at line 1666 of file nfs41_ops.c.

{
    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;
}

Referenced by nfs41_client_delegation_recovery().

nfs41_delegreturn()

int nfs41_delegreturn	(	IN nfs41_session *	session,
		IN nfs41_path_fh *	file,
		IN stateid_arg *	stateid,
		IN bool_t	try_recovery
	)

Definition at line 1693 of file nfs41_ops.c.

{
    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;
}

Referenced by delegation_return(), nfs41_delegation_granted(), and open_delegation_return().

nfs41_destroy_clientid()

int nfs41_destroy_clientid	(	IN nfs41_rpc_clnt *	rpc,
		IN uint64_t	clientid
	)

Definition at line 242 of file nfs41_ops.c.

{
    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;
}

Referenced by nfs41_client_free().

nfs41_destroy_session()

int nfs41_destroy_session

(

IN nfs41_session *

session

)

Definition at line 214 of file nfs41_ops.c.

{
    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;
}

Referenced by nfs41_session_free().

nfs41_exchange_id()

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
	)

Definition at line 36 of file nfs41_ops.c.

{
    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;
}

Referenced by nfs41_client_renew(), and nfs41_root_mount_addrs().

nfs41_free_stateid()

enum nfsstat4 nfs41_free_stateid	(	IN nfs41_session *	session,
		IN stateid4 *	stateid
	)

Definition at line 1870 of file nfs41_ops.c.

{
    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;
}

Referenced by nfs41_client_state_revoked().

nfs41_fs_locations()

enum nfsstat4 nfs41_fs_locations	(	IN nfs41_session *	session,
		IN nfs41_path_fh *	parent,
		IN const nfs41_component *	name,
		OUT fs_locations4 *	locations
	)

Definition at line 1737 of file nfs41_ops.c.

{
    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;
}

Referenced by referral_resolve().

nfs41_getattr()

int nfs41_getattr	(	IN nfs41_session *	session,
		IN OPTIONAL nfs41_path_fh *	file,
		IN bitmap4 *	attr_request,
		OUT nfs41_file_info *	info
	)

Definition at line 1063 of file nfs41_ops.c.

{
    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;
}

Referenced by get_volume_size_info(), handle_getacl(), nfs41_cached_getattr(), pnfs_write(), session_get_lease(), and write_to_mds().

nfs41_link()

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
	)

Definition at line 1407 of file nfs41_ops.c.

{
    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;
}

nfs41_lock()

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
	)

Definition at line 904 of file nfs41_ops.c.

{
    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;
}

Referenced by delegation_flush_locks(), handle_lock(), and recover_locks().

nfs41_open()

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
	)

Definition at line 366 of file nfs41_ops.c.

{
    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;
}

Referenced by do_open(), get_ea_value(), nfs41_delegation_to_open(), recover_open_grace(), recover_open_no_grace(), and set_ea_value().

nfs41_read()

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
	)

Definition at line 774 of file nfs41_ops.c.

{
    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;
}

Referenced by file_layout_read_thread(), get_ea_value(), and read_from_mds().

nfs41_readdir()

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
	)

Definition at line 1010 of file nfs41_ops.c.

{
    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;
}

Referenced by handle_readdir(), and read_entire_dir().

nfs41_readlink()

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
	)

Definition at line 1511 of file nfs41_ops.c.

{
    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;
}

Referenced by handle_symlink(), and nfs41_symlink_target().

nfs41_reclaim_complete()

enum nfsstat4 nfs41_reclaim_complete

(

IN nfs41_session *

session

)

Definition at line 268 of file nfs41_ops.c.

{
    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;
}

Referenced by nfs41_recover_client_state(), nfs41_recover_sequence_flags(), recover_delegation_open(), recover_delegation_want(), recover_locks(), recover_open(), and root_client_create().

nfs41_remove()

int nfs41_remove	(	IN nfs41_session *	session,
		IN nfs41_path_fh *	parent,
		IN const nfs41_component *	target,
		IN uint64_t	fileid
	)

Definition at line 1180 of file nfs41_ops.c.

{
    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;
}

Referenced by cancel_open(), handle_close(), handle_nfs41_remove(), handle_open(), handle_symlink(), and set_ea_value().

nfs41_rename()

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
	)

Definition at line 1247 of file nfs41_ops.c.

{
    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;
}

nfs41_rpc_openattr()

enum nfsstat4 nfs41_rpc_openattr	(	IN nfs41_session *	session,
		IN nfs41_path_fh *	file,
		IN bool_t	createdir,
		OUT nfs41_fh *	fh_out
	)

Definition at line 2145 of file nfs41_ops.c.

{
    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;
}

Referenced by nfs41_ea_set().

nfs41_secinfo()

int nfs41_secinfo	(	IN nfs41_session *	session,
		IN nfs41_path_fh *	file,
		IN const nfs41_component *	name,
		OUT nfs41_secinfo_info *	secinfo
	)

Definition at line 1785 of file nfs41_ops.c.

{
    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;
}

Referenced by compound_encode_send_decode().

nfs41_secinfo_noname()

int nfs41_secinfo_noname	(	IN nfs41_session *	session,
		IN nfs41_path_fh *	file,
		OUT nfs41_secinfo_info *	secinfo
	)

Definition at line 1828 of file nfs41_ops.c.

{
    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;
}

Referenced by compound_encode_send_decode().

nfs41_send_sequence()

int nfs41_send_sequence

(

IN nfs41_session *

session

)

Definition at line 1599 of file nfs41_ops.c.

{
    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;
}

Referenced by renew_session().

nfs41_setattr()

int nfs41_setattr	(	IN nfs41_session *	session,
		IN nfs41_path_fh *	file,
		IN stateid_arg *	stateid,
		IN nfs41_file_info *	info
	)

Definition at line 1351 of file nfs41_ops.c.

{
    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;
}

Referenced by delegation_truncate(), handle_nfs41_set_size(), handle_setacl(), and handle_setexattr().

nfs41_superblock_getattr()

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
	)

Definition at line 1116 of file nfs41_ops.c.

{
    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;
}

Referenced by get_superblock_attrs().

nfs41_test_stateid()

enum nfsstat4 nfs41_test_stateid	(	IN nfs41_session *	session,
		IN stateid_arg *	stateid_array,
		IN uint32_t	count,
		OUT uint32_t *	status_array
	)

Definition at line 1900 of file nfs41_ops.c.

{
    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;
}

Referenced by nfs41_client_state_revoked().

nfs41_unlock()

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
	)

Definition at line 966 of file nfs41_ops.c.

{
    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;
}

Referenced by cancel_lock(), and handle_unlock().

nfs41_want_delegation()

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
	)

Definition at line 1624 of file nfs41_ops.c.

{
    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;
}

Referenced by recover_delegation_want().

nfs41_write()

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
	)

Definition at line 685 of file nfs41_ops.c.

{
    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;
}

Referenced by file_layout_write_thread(), set_ea_value(), and write_to_mds().

open_delegation_return()

static void open_delegation_return ( IN nfs41_session *  session, IN nfs41_path_fh *  file, IN open_delegation4 *  delegation, IN bool_t  try_recovery  )

static

Definition at line 296 of file nfs41_ops.c.

{
    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;
}

Referenced by open_update_cache().

open_update_cache()

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  )

static

Definition at line 321 of file nfs41_ops.c.

{
    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;
    }
}

Referenced by nfs41_open().

pnfs_rpc_getdeviceinfo()

enum nfsstat4 pnfs_rpc_getdeviceinfo	(	IN nfs41_session *	session,
		IN unsigned char *	deviceid,
		OUT pnfs_file_device *	device
	)

Definition at line 2109 of file nfs41_ops.c.

{
    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;
}

Referenced by pnfs_file_device_get().

pnfs_rpc_layoutcommit()

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
	)

Definition at line 1999 of file nfs41_ops.c.

{
    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;
}

Referenced by layout_commit().

pnfs_rpc_layoutget()

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
	)

Definition at line 1935 of file nfs41_ops.c.

{
    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;
}

Referenced by file_layout_fetch().

pnfs_rpc_layoutreturn()

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
	)

Definition at line 2062 of file nfs41_ops.c.

{
    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;
}

Referenced by file_layout_return().

set_back_channel_attrs()

static int set_back_channel_attrs ( IN nfs41_rpc_clnt *  rpc, IN uint32_t  max_req, OUT nfs41_channel_attrs *  attrs  )

static

Definition at line 86 of file nfs41_ops.c.

{
    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;
}

Referenced by nfs41_create_session().

set_fore_channel_attrs()

static int set_fore_channel_attrs ( IN nfs41_rpc_clnt *  rpc, IN uint32_t  max_req, OUT nfs41_channel_attrs *  attrs  )

static

Definition at line 70 of file nfs41_ops.c.

{
    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;
}

Referenced by nfs41_create_session().