evin/ms-nfs41-client
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ensuring exactly once semantics for open

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if we are doing CREATE_NEW file creation, then based on whether or not
we have a persistent session, we'll send either GUARDED4 create for
persistent session and EXCLUSIVE4_1 create otherwise.
This commit is contained in:
Olga Kornievskaia 2011-05-24 12:33:58 -04:00
parent cb54018555
commit 54c11cd84b
6 changed files with 42 additions and 41 deletions
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21
daemon/nfs41_ops.c
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@ -25,6 +25,7 @@
#include <strsafe.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "nfs41_ops.h"
#include "nfs41_compound.h"
@ -302,6 +303,7 @@ int nfs41_open(
IN uint32_t allow,
IN uint32_t deny,
IN uint32_t create,
IN uint32_t how_mode,
IN uint32_t mode,
IN bool_t try_recovery,
IN OUT nfs41_open_state *state,
@ -324,6 +326,7 @@ int nfs41_open(
nfs41_savefh_res savefh_res;
nfs41_restorefh_res restorefh_res;
nfs41_file_info tmp_info, dir_info;
unsigned char createverf[NFS4_VERIFIER_SIZE];
if (info == NULL)
info = &tmp_info;
@ -354,12 +357,18 @@ int nfs41_open(
open_args.share_deny = deny;
open_args.owner = &state->owner;
open_args.openhow.opentype = create;
open_args.openhow.how.mode = UNCHECKED4;
open_args.openhow.how.u.createattrs.info.attrmask.count = 2;
open_args.openhow.how.u.createattrs.info.attrmask.arr[0] = FATTR4_WORD0_SIZE;
open_args.openhow.how.u.createattrs.info.attrmask.arr[1] = FATTR4_WORD1_MODE;
open_args.openhow.how.u.createattrs.info.mode = mode;
open_args.openhow.how.u.createattrs.info.size = 0;
open_args.openhow.how.mode = how_mode;
open_args.openhow.how.createattrs.info.attrmask.count = 2;
open_args.openhow.how.createattrs.info.attrmask.arr[0] = FATTR4_WORD0_SIZE;
open_args.openhow.how.createattrs.info.attrmask.arr[1] = FATTR4_WORD1_MODE;
open_args.openhow.how.createattrs.info.mode = mode;
open_args.openhow.how.createattrs.info.size = 0;
if (how_mode == EXCLUSIVE4_1) {
DWORD tid = GetCurrentThreadId();
open_args.openhow.how.createverf = createverf;
time((time_t*)open_args.openhow.how.createverf);
memcpy(open_args.openhow.how.createverf+4, &tid, sizeof(tid));
}
open_args.claim.claim = CLAIM_NULL;
open_args.claim.u.null.filename = &state->file.name;
open_res.resok4.stateid = &state->stateid;