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NFSD: Update the NFSv2 STATFS result encoder to use struct xdr_stream 

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2020-10-23 19:01:38 -04:00
parent a6f8d9dc9e
commit bf15229f2c
1 changed files with 16 additions and 9 deletions
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25
fs/nfsd/nfsxdr.c
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@ -592,19 +592,26 @@ nfssvc_encode_readdirres(struct svc_rqst *rqstp, __be32 *p)
int
nfssvc_encode_statfsres(struct svc_rqst *rqstp, __be32 *p)
{
struct xdr_stream *xdr = &rqstp->rq_res_stream;
struct nfsd_statfsres *resp = rqstp->rq_resp;
struct kstatfs *stat = &resp->stats;
*p++ = resp->status;
if (resp->status != nfs_ok)
return xdr_ressize_check(rqstp, p);
if (!svcxdr_encode_stat(xdr, resp->status))
return 0;
switch (resp->status) {
case nfs_ok:
p = xdr_reserve_space(xdr, XDR_UNIT * 5);
if (!p)
return 0;
*p++ = cpu_to_be32(NFSSVC_MAXBLKSIZE_V2);
*p++ = cpu_to_be32(stat->f_bsize);
*p++ = cpu_to_be32(stat->f_blocks);
*p++ = cpu_to_be32(stat->f_bfree);
*p = cpu_to_be32(stat->f_bavail);
break;
}
*p++ = htonl(NFSSVC_MAXBLKSIZE_V2); /* max transfer size */
*p++ = htonl(stat->f_bsize);
*p++ = htonl(stat->f_blocks);
*p++ = htonl(stat->f_bfree);
*p++ = htonl(stat->f_bavail);
return xdr_ressize_check(rqstp, p);
return 1;
}
int