* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-
-#include <linux/param.h>
-#include <linux/major.h>
-#include <linux/slab.h>
#include <linux/file.h>
-#include <linux/sunrpc/svc.h>
-#include <linux/nfsd/nfsd.h>
-#include <linux/nfsd/cache.h>
-#include <linux/nfs4.h>
-#include <linux/nfsd/state.h>
-#include <linux/nfsd/xdr4.h>
-#include <linux/nfs4_acl.h>
-#include <linux/sunrpc/gss_api.h>
+#include "cache.h"
+#include "xdr4.h"
+#include "vfs.h"
#define NFSDDBG_FACILITY NFSDDBG_PROC
+static u32 nfsd_attrmask[] = {
+ NFSD_WRITEABLE_ATTRS_WORD0,
+ NFSD_WRITEABLE_ATTRS_WORD1,
+ NFSD_WRITEABLE_ATTRS_WORD2
+};
+
+static u32 nfsd41_ex_attrmask[] = {
+ NFSD_SUPPATTR_EXCLCREAT_WORD0,
+ NFSD_SUPPATTR_EXCLCREAT_WORD1,
+ NFSD_SUPPATTR_EXCLCREAT_WORD2
+};
+
+static __be32
+check_attr_support(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
+ u32 *bmval, u32 *writable)
+{
+ struct dentry *dentry = cstate->current_fh.fh_dentry;
+
+ /*
+ * Check about attributes are supported by the NFSv4 server or not.
+ * According to spec, unsupported attributes return ERR_ATTRNOTSUPP.
+ */
+ if ((bmval[0] & ~nfsd_suppattrs0(cstate->minorversion)) ||
+ (bmval[1] & ~nfsd_suppattrs1(cstate->minorversion)) ||
+ (bmval[2] & ~nfsd_suppattrs2(cstate->minorversion)))
+ return nfserr_attrnotsupp;
+
+ /*
+ * Check FATTR4_WORD0_ACL can be supported
+ * in current environment or not.
+ */
+ if (bmval[0] & FATTR4_WORD0_ACL) {
+ if (!IS_POSIXACL(dentry->d_inode))
+ return nfserr_attrnotsupp;
+ }
+
+ /*
+ * According to spec, read-only attributes return ERR_INVAL.
+ */
+ if (writable) {
+ if ((bmval[0] & ~writable[0]) || (bmval[1] & ~writable[1]) ||
+ (bmval[2] & ~writable[2]))
+ return nfserr_inval;
+ }
+
+ return nfs_ok;
+}
+
+static __be32
+nfsd4_check_open_attributes(struct svc_rqst *rqstp,
+ struct nfsd4_compound_state *cstate, struct nfsd4_open *open)
+{
+ __be32 status = nfs_ok;
+
+ if (open->op_create == NFS4_OPEN_CREATE) {
+ if (open->op_createmode == NFS4_CREATE_UNCHECKED
+ || open->op_createmode == NFS4_CREATE_GUARDED)
+ status = check_attr_support(rqstp, cstate,
+ open->op_bmval, nfsd_attrmask);
+ else if (open->op_createmode == NFS4_CREATE_EXCLUSIVE4_1)
+ status = check_attr_support(rqstp, cstate,
+ open->op_bmval, nfsd41_ex_attrmask);
+ }
+
+ return status;
+}
+
+static int
+is_create_with_attrs(struct nfsd4_open *open)
+{
+ return open->op_create == NFS4_OPEN_CREATE
+ && (open->op_createmode == NFS4_CREATE_UNCHECKED
+ || open->op_createmode == NFS4_CREATE_GUARDED
+ || open->op_createmode == NFS4_CREATE_EXCLUSIVE4_1);
+}
+
+/*
+ * if error occurs when setting the acl, just clear the acl bit
+ * in the returned attr bitmap.
+ */
+static void
+do_set_nfs4_acl(struct svc_rqst *rqstp, struct svc_fh *fhp,
+ struct nfs4_acl *acl, u32 *bmval)
+{
+ __be32 status;
+
+ status = nfsd4_set_nfs4_acl(rqstp, fhp, acl);
+ if (status)
+ /*
+ * We should probably fail the whole open at this point,
+ * but we've already created the file, so it's too late;
+ * So this seems the least of evils:
+ */
+ bmval[0] &= ~FATTR4_WORD0_ACL;
+}
+
static inline void
fh_dup2(struct svc_fh *dst, struct svc_fh *src)
{
accmode |= NFSD_MAY_READ;
if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE)
accmode |= (NFSD_MAY_WRITE | NFSD_MAY_TRUNC);
- if (open->op_share_deny & NFS4_SHARE_DENY_WRITE)
+ if (open->op_share_deny & NFS4_SHARE_DENY_READ)
accmode |= NFSD_MAY_WRITE;
status = fh_verify(rqstp, current_fh, S_IFREG, accmode);
open->op_truncate = 0;
if (open->op_create) {
+ /* FIXME: check session persistence and pnfs flags.
+ * The nfsv4.1 spec requires the following semantics:
+ *
+ * Persistent | pNFS | Server REQUIRED | Client Allowed
+ * Reply Cache | server | |
+ * -------------+--------+-----------------+--------------------
+ * no | no | EXCLUSIVE4_1 | EXCLUSIVE4_1
+ * | | | (SHOULD)
+ * | | and EXCLUSIVE4 | or EXCLUSIVE4
+ * | | | (SHOULD NOT)
+ * no | yes | EXCLUSIVE4_1 | EXCLUSIVE4_1
+ * yes | no | GUARDED4 | GUARDED4
+ * yes | yes | GUARDED4 | GUARDED4
+ */
+
/*
* Note: create modes (UNCHECKED,GUARDED...) are the same
* in NFSv4 as in v3.
if (status)
goto out;
+ if (is_create_with_attrs(open) && open->op_acl != NULL)
+ do_set_nfs4_acl(rqstp, &resfh, open->op_acl, open->op_bmval);
+
set_change_info(&open->op_cinfo, current_fh);
fh_dup2(current_fh, &resfh);
/* set reply cache */
- open->op_stateowner->so_replay.rp_openfh_len = resfh.fh_handle.fh_size;
- memcpy(open->op_stateowner->so_replay.rp_openfh,
- &resfh.fh_handle.fh_base, resfh.fh_handle.fh_size);
-
+ fh_copy_shallow(&open->op_stateowner->so_replay.rp_openfh,
+ &resfh.fh_handle);
if (!created)
status = do_open_permission(rqstp, current_fh, open,
NFSD_MAY_NOP);
memset(&open->op_cinfo, 0, sizeof(struct nfsd4_change_info));
/* set replay cache */
- open->op_stateowner->so_replay.rp_openfh_len = current_fh->fh_handle.fh_size;
- memcpy(open->op_stateowner->so_replay.rp_openfh,
- ¤t_fh->fh_handle.fh_base,
- current_fh->fh_handle.fh_size);
+ fh_copy_shallow(&open->op_stateowner->so_replay.rp_openfh,
+ ¤t_fh->fh_handle);
open->op_truncate = (open->op_iattr.ia_valid & ATTR_SIZE) &&
(open->op_iattr.ia_size == 0);
return status;
}
+static void
+copy_clientid(clientid_t *clid, struct nfsd4_session *session)
+{
+ struct nfsd4_sessionid *sid =
+ (struct nfsd4_sessionid *)session->se_sessionid.data;
+
+ clid->cl_boot = sid->clientid.cl_boot;
+ clid->cl_id = sid->clientid.cl_id;
+}
static __be32
nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
struct nfsd4_open *open)
{
__be32 status;
+ struct nfsd4_compoundres *resp;
+
dprintk("NFSD: nfsd4_open filename %.*s op_stateowner %p\n",
(int)open->op_fname.len, open->op_fname.data,
open->op_stateowner);
if (open->op_create && open->op_claim_type != NFS4_OPEN_CLAIM_NULL)
return nfserr_inval;
+ if (nfsd4_has_session(cstate))
+ copy_clientid(&open->op_clientid, cstate->session);
+
nfs4_lock_state();
/* check seqid for replay. set nfs4_owner */
- status = nfsd4_process_open1(open);
+ resp = rqstp->rq_resp;
+ status = nfsd4_process_open1(&resp->cstate, open);
if (status == nfserr_replay_me) {
struct nfs4_replay *rp = &open->op_stateowner->so_replay;
fh_put(&cstate->current_fh);
- cstate->current_fh.fh_handle.fh_size = rp->rp_openfh_len;
- memcpy(&cstate->current_fh.fh_handle.fh_base, rp->rp_openfh,
- rp->rp_openfh_len);
+ fh_copy_shallow(&cstate->current_fh.fh_handle,
+ &rp->rp_openfh);
status = fh_verify(rqstp, &cstate->current_fh, 0, NFSD_MAY_NOP);
if (status)
dprintk("nfsd4_open: replay failed"
if (status)
goto out;
+ status = nfsd4_check_open_attributes(rqstp, cstate, open);
+ if (status)
+ goto out;
+
/* Openowner is now set, so sequence id will get bumped. Now we need
* these checks before we do any creates: */
status = nfserr_grace;
switch (open->op_claim_type) {
case NFS4_OPEN_CLAIM_DELEGATE_CUR:
- status = nfserr_inval;
- if (open->op_create)
- goto out;
- /* fall through */
case NFS4_OPEN_CLAIM_NULL:
/*
* (1) set CURRENT_FH to the file being opened,
if (status)
return status;
+ status = check_attr_support(rqstp, cstate, create->cr_bmval,
+ nfsd_attrmask);
+ if (status)
+ return status;
+
switch (create->cr_type) {
case NF4LNK:
/* ugh! we have to null-terminate the linktext, or
status = nfserr_badtype;
}
- if (!status) {
- fh_unlock(&cstate->current_fh);
- set_change_info(&create->cr_cinfo, &cstate->current_fh);
- fh_dup2(&cstate->current_fh, &resfh);
- }
+ if (status)
+ goto out;
+
+ if (create->cr_acl != NULL)
+ do_set_nfs4_acl(rqstp, &resfh, create->cr_acl,
+ create->cr_bmval);
+ fh_unlock(&cstate->current_fh);
+ set_change_info(&create->cr_cinfo, &cstate->current_fh);
+ fh_dup2(&cstate->current_fh, &resfh);
+out:
fh_put(&resfh);
return status;
}
if (getattr->ga_bmval[1] & NFSD_WRITEONLY_ATTRS_WORD1)
return nfserr_inval;
- getattr->ga_bmval[0] &= NFSD_SUPPORTED_ATTRS_WORD0;
- getattr->ga_bmval[1] &= NFSD_SUPPORTED_ATTRS_WORD1;
+ getattr->ga_bmval[0] &= nfsd_suppattrs0(cstate->minorversion);
+ getattr->ga_bmval[1] &= nfsd_suppattrs1(cstate->minorversion);
+ getattr->ga_bmval[2] &= nfsd_suppattrs2(cstate->minorversion);
getattr->ga_fhp = &cstate->current_fh;
return nfs_ok;
nfs4_lock_state();
/* check stateid */
- if ((status = nfs4_preprocess_stateid_op(&cstate->current_fh,
- &read->rd_stateid,
- CHECK_FH | RD_STATE, &read->rd_filp))) {
+ if ((status = nfs4_preprocess_stateid_op(cstate, &read->rd_stateid,
+ RD_STATE, &read->rd_filp))) {
dprintk("NFSD: nfsd4_read: couldn't process stateid!\n");
goto out;
}
if (readdir->rd_bmval[1] & NFSD_WRITEONLY_ATTRS_WORD1)
return nfserr_inval;
- readdir->rd_bmval[0] &= NFSD_SUPPORTED_ATTRS_WORD0;
- readdir->rd_bmval[1] &= NFSD_SUPPORTED_ATTRS_WORD1;
+ readdir->rd_bmval[0] &= nfsd_suppattrs0(cstate->minorversion);
+ readdir->rd_bmval[1] &= nfsd_suppattrs1(cstate->minorversion);
+ readdir->rd_bmval[2] &= nfsd_suppattrs2(cstate->minorversion);
if ((cookie > ~(u32)0) || (cookie == 1) || (cookie == 2) ||
(cookie == 0 && memcmp(readdir->rd_verf.data, zeroverf.data, NFS4_VERIFIER_SIZE)))
if (setattr->sa_iattr.ia_valid & ATTR_SIZE) {
nfs4_lock_state();
- status = nfs4_preprocess_stateid_op(&cstate->current_fh,
- &setattr->sa_stateid, CHECK_FH | WR_STATE, NULL);
+ status = nfs4_preprocess_stateid_op(cstate,
+ &setattr->sa_stateid, WR_STATE, NULL);
nfs4_unlock_state();
if (status) {
dprintk("NFSD: nfsd4_setattr: couldn't process stateid!\n");
if (status)
return status;
status = nfs_ok;
+
+ status = check_attr_support(rqstp, cstate, setattr->sa_bmval,
+ nfsd_attrmask);
+ if (status)
+ goto out;
+
if (setattr->sa_acl != NULL)
status = nfsd4_set_nfs4_acl(rqstp, &cstate->current_fh,
setattr->sa_acl);
struct file *filp = NULL;
u32 *p;
__be32 status = nfs_ok;
+ unsigned long cnt;
/* no need to check permission - this will be done in nfsd_write() */
return nfserr_inval;
nfs4_lock_state();
- status = nfs4_preprocess_stateid_op(&cstate->current_fh, stateid,
- CHECK_FH | WR_STATE, &filp);
+ status = nfs4_preprocess_stateid_op(cstate, stateid, WR_STATE, &filp);
if (filp)
get_file(filp);
nfs4_unlock_state();
return status;
}
- write->wr_bytes_written = write->wr_buflen;
+ cnt = write->wr_buflen;
write->wr_how_written = write->wr_stable_how;
p = (u32 *)write->wr_verifier.data;
*p++ = nfssvc_boot.tv_sec;
status = nfsd_write(rqstp, &cstate->current_fh, filp,
write->wr_offset, rqstp->rq_vec, write->wr_vlen,
- write->wr_buflen, &write->wr_how_written);
+ &cnt, &write->wr_how_written);
if (filp)
fput(filp);
+ write->wr_bytes_written = cnt;
+
if (status == nfserr_symlink)
status = nfserr_inval;
return status;
if (status)
return status;
- if ((verify->ve_bmval[0] & ~NFSD_SUPPORTED_ATTRS_WORD0)
- || (verify->ve_bmval[1] & ~NFSD_SUPPORTED_ATTRS_WORD1))
- return nfserr_attrnotsupp;
+ status = check_attr_support(rqstp, cstate, verify->ve_bmval, NULL);
+ if (status)
+ return status;
+
if ((verify->ve_bmval[0] & FATTR4_WORD0_RDATTR_ERROR)
|| (verify->ve_bmval[1] & NFSD_WRITEONLY_ATTRS_WORD1))
return nfserr_inval;
if (status)
goto out_kfree;
- p = buf + 3;
+ /* skip bitmap */
+ p = buf + 1 + ntohl(buf[0]);
status = nfserr_not_same;
if (ntohl(*p++) != verify->ve_attrlen)
goto out_kfree;
nfsdstats.nfs4_opcount[opnum]++;
}
-static void cstate_free(struct nfsd4_compound_state *cstate)
-{
- if (cstate == NULL)
- return;
- fh_put(&cstate->current_fh);
- fh_put(&cstate->save_fh);
- BUG_ON(cstate->replay_owner);
- kfree(cstate);
-}
-
-static struct nfsd4_compound_state *cstate_alloc(void)
-{
- struct nfsd4_compound_state *cstate;
-
- cstate = kmalloc(sizeof(struct nfsd4_compound_state), GFP_KERNEL);
- if (cstate == NULL)
- return NULL;
- fh_init(&cstate->current_fh, NFS4_FHSIZE);
- fh_init(&cstate->save_fh, NFS4_FHSIZE);
- cstate->replay_owner = NULL;
- return cstate;
-}
-
typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *,
void *);
+enum nfsd4_op_flags {
+ ALLOWED_WITHOUT_FH = 1 << 0, /* No current filehandle required */
+ ALLOWED_ON_ABSENT_FS = 2 << 0, /* ops processed on absent fs */
+ ALLOWED_AS_FIRST_OP = 3 << 0, /* ops reqired first in compound */
+};
struct nfsd4_operation {
nfsd4op_func op_func;
u32 op_flags;
-/* Most ops require a valid current filehandle; a few don't: */
-#define ALLOWED_WITHOUT_FH 1
-/* GETATTR and ops not listed as returning NFS4ERR_MOVED: */
-#define ALLOWED_ON_ABSENT_FS 2
char *op_name;
};
static const char *nfsd4_op_name(unsigned opnum);
/*
+ * Enforce NFSv4.1 COMPOUND ordering rules.
+ *
+ * TODO:
+ * - enforce NFS4ERR_NOT_ONLY_OP,
+ * - DESTROY_SESSION MUST be the final operation in the COMPOUND request.
+ */
+static bool nfs41_op_ordering_ok(struct nfsd4_compoundargs *args)
+{
+ if (args->minorversion && args->opcnt > 0) {
+ struct nfsd4_op *op = &args->ops[0];
+ return (op->status == nfserr_op_illegal) ||
+ (nfsd4_ops[op->opnum].op_flags & ALLOWED_AS_FIRST_OP);
+ }
+ return true;
+}
+
+/*
* COMPOUND call.
*/
static __be32
{
struct nfsd4_op *op;
struct nfsd4_operation *opdesc;
- struct nfsd4_compound_state *cstate = NULL;
+ struct nfsd4_compound_state *cstate = &resp->cstate;
int slack_bytes;
__be32 status;
resp->xbuf = &rqstp->rq_res;
- resp->p = rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len;
+ resp->p = rqstp->rq_res.head[0].iov_base +
+ rqstp->rq_res.head[0].iov_len;
resp->tagp = resp->p;
/* reserve space for: taglen, tag, and opcnt */
resp->p += 2 + XDR_QUADLEN(args->taglen);
resp->tag = args->tag;
resp->opcnt = 0;
resp->rqstp = rqstp;
+ resp->cstate.minorversion = args->minorversion;
+ resp->cstate.replay_owner = NULL;
+ fh_init(&resp->cstate.current_fh, NFS4_FHSIZE);
+ fh_init(&resp->cstate.save_fh, NFS4_FHSIZE);
+ /* Use the deferral mechanism only for NFSv4.0 compounds */
+ rqstp->rq_usedeferral = (args->minorversion == 0);
/*
* According to RFC3010, this takes precedence over all other errors.
*/
status = nfserr_minor_vers_mismatch;
- if (args->minorversion > NFSD_SUPPORTED_MINOR_VERSION)
+ if (args->minorversion > nfsd_supported_minorversion)
goto out;
- status = nfserr_resource;
- cstate = cstate_alloc();
- if (cstate == NULL)
- goto out;
+ if (!nfs41_op_ordering_ok(args)) {
+ op = &args->ops[0];
+ op->status = nfserr_sequence_pos;
+ goto encode_op;
+ }
status = nfs_ok;
while (!status && resp->opcnt < args->opcnt) {
dprintk("nfsv4 compound op #%d/%d: %d (%s)\n",
resp->opcnt, args->opcnt, op->opnum,
nfsd4_op_name(op->opnum));
-
/*
* The XDR decode routines may have pre-set op->status;
* for example, if there is a miscellaneous XDR error
BUG_ON(op->status == nfs_ok);
encode_op:
+ /* Only from SEQUENCE */
+ if (resp->cstate.status == nfserr_replay_cache) {
+ dprintk("%s NFS4.1 replay from cache\n", __func__);
+ status = op->status;
+ goto out;
+ }
if (op->status == nfserr_replay_me) {
op->replay = &cstate->replay_owner->so_replay;
nfsd4_encode_replay(resp, op);
nfsd4_increment_op_stats(op->opnum);
}
+ if (!rqstp->rq_usedeferral && status == nfserr_dropit) {
+ dprintk("%s Dropit - send NFS4ERR_DELAY\n", __func__);
+ status = nfserr_jukebox;
+ }
- cstate_free(cstate);
+ resp->cstate.status = status;
+ fh_put(&resp->cstate.current_fh);
+ fh_put(&resp->cstate.save_fh);
+ BUG_ON(resp->cstate.replay_owner);
out:
nfsd4_release_compoundargs(args);
+ /* Reset deferral mechanism for RPC deferrals */
+ rqstp->rq_usedeferral = 1;
dprintk("nfsv4 compound returned %d\n", ntohl(status));
return status;
}
-static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = {
+static struct nfsd4_operation nfsd4_ops[] = {
[OP_ACCESS] = {
.op_func = (nfsd4op_func)nfsd4_access,
.op_name = "OP_ACCESS",
.op_name = "OP_PUTFH",
},
[OP_PUTPUBFH] = {
- /* unsupported, just for future reference: */
+ .op_func = (nfsd4op_func)nfsd4_putrootfh,
.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
.op_name = "OP_PUTPUBFH",
},
.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS,
.op_name = "OP_RELEASE_LOCKOWNER",
},
+
+ /* NFSv4.1 operations */
+ [OP_EXCHANGE_ID] = {
+ .op_func = (nfsd4op_func)nfsd4_exchange_id,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP,
+ .op_name = "OP_EXCHANGE_ID",
+ },
+ [OP_CREATE_SESSION] = {
+ .op_func = (nfsd4op_func)nfsd4_create_session,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP,
+ .op_name = "OP_CREATE_SESSION",
+ },
+ [OP_DESTROY_SESSION] = {
+ .op_func = (nfsd4op_func)nfsd4_destroy_session,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP,
+ .op_name = "OP_DESTROY_SESSION",
+ },
+ [OP_SEQUENCE] = {
+ .op_func = (nfsd4op_func)nfsd4_sequence,
+ .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP,
+ .op_name = "OP_SEQUENCE",
+ },
};
static const char *nfsd4_op_name(unsigned opnum)
return "unknown_operation";
}
-#define nfs4svc_decode_voidargs NULL
-#define nfs4svc_release_void NULL
#define nfsd4_voidres nfsd4_voidargs
-#define nfs4svc_release_compound NULL
struct nfsd4_voidargs { int dummy; };
-#define PROC(name, argt, rest, relt, cache, respsize) \
- { (svc_procfunc) nfsd4_proc_##name, \
- (kxdrproc_t) nfs4svc_decode_##argt##args, \
- (kxdrproc_t) nfs4svc_encode_##rest##res, \
- (kxdrproc_t) nfs4svc_release_##relt, \
- sizeof(struct nfsd4_##argt##args), \
- sizeof(struct nfsd4_##rest##res), \
- 0, \
- cache, \
- respsize, \
- }
-
/*
* TODO: At the present time, the NFSv4 server does not do XID caching
* of requests. Implementing XID caching would not be a serious problem,
* better XID's.
*/
static struct svc_procedure nfsd_procedures4[2] = {
- PROC(null, void, void, void, RC_NOCACHE, 1),
- PROC(compound, compound, compound, compound, RC_NOCACHE, NFSD_BUFSIZE/4)
+ [NFSPROC4_NULL] = {
+ .pc_func = (svc_procfunc) nfsd4_proc_null,
+ .pc_encode = (kxdrproc_t) nfs4svc_encode_voidres,
+ .pc_argsize = sizeof(struct nfsd4_voidargs),
+ .pc_ressize = sizeof(struct nfsd4_voidres),
+ .pc_cachetype = RC_NOCACHE,
+ .pc_xdrressize = 1,
+ },
+ [NFSPROC4_COMPOUND] = {
+ .pc_func = (svc_procfunc) nfsd4_proc_compound,
+ .pc_decode = (kxdrproc_t) nfs4svc_decode_compoundargs,
+ .pc_encode = (kxdrproc_t) nfs4svc_encode_compoundres,
+ .pc_argsize = sizeof(struct nfsd4_compoundargs),
+ .pc_ressize = sizeof(struct nfsd4_compoundres),
+ .pc_cachetype = RC_NOCACHE,
+ .pc_xdrressize = NFSD_BUFSIZE/4,
+ },
};
struct svc_version nfsd_version4 = {
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