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lockd: Update the NLMv4 CANCEL arguments decoder to use struct xdr_stream

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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Chuck Lever 2021-06-03 16:52:34 -04:00 committed by J. Bruce Fields
parent 0e5977af4f
commit 1e1f38dcf3
1 changed files with 20 additions and 17 deletions
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37
fs/lockd/xdr4.c
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@ -290,6 +290,26 @@ nlm4svc_decode_lockargs(struct svc_rqst *rqstp, __be32 *p)
return 1;
}
int
nlm4svc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p)
{
struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_args *argp = rqstp->rq_argp;
u32 exclusive;
if (!svcxdr_decode_cookie(xdr, &argp->cookie))
return 0;
if (xdr_stream_decode_bool(xdr, &argp->block) < 0)
return 0;
if (xdr_stream_decode_bool(xdr, &exclusive) < 0)
return 0;
if (!svcxdr_decode_lock(xdr, &argp->lock))
return 0;
if (exclusive)
argp->lock.fl.fl_type = F_WRLCK;
return 1;
}
int
nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
{
@ -300,23 +320,6 @@ nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
return xdr_ressize_check(rqstp, p);
}
int
nlm4svc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p)
{
struct nlm_args *argp = rqstp->rq_argp;
u32 exclusive;
if (!(p = nlm4_decode_cookie(p, &argp->cookie)))
return 0;
argp->block = ntohl(*p++);
exclusive = ntohl(*p++);
if (!(p = nlm4_decode_lock(p, &argp->lock)))
return 0;
if (exclusive)
argp->lock.fl.fl_type = F_WRLCK;
return xdr_argsize_check(rqstp, p);
}
int
nlm4svc_decode_unlockargs(struct svc_rqst *rqstp, __be32 *p)
{