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

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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2020-10-23 16:49:01 -04:00
parent 8141d6a2bb
commit 94c8f8c682
2 changed files with 14 additions and 9 deletions
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22
fs/nfsd/nfsxdr.c
View File

@ -574,17 +574,21 @@ nfssvc_encode_readres(struct svc_rqst *rqstp, __be32 *p)
int
nfssvc_encode_readdirres(struct svc_rqst *rqstp, __be32 *p)
{
struct xdr_stream *xdr = &rqstp->rq_res_stream;
struct nfsd_readdirres *resp = rqstp->rq_resp;
*p++ = resp->status;
if (resp->status != nfs_ok)
return xdr_ressize_check(rqstp, p);
xdr_ressize_check(rqstp, p);
p = resp->buffer;
*p++ = 0; /* no more entries */
*p++ = htonl((resp->common.err == nfserr_eof));
rqstp->rq_res.page_len = resp->count << 2;
if (!svcxdr_encode_stat(xdr, resp->status))
return 0;
switch (resp->status) {
case nfs_ok:
xdr_write_pages(xdr, &resp->page, 0, resp->count << 2);
/* no more entries */
if (xdr_stream_encode_item_absent(xdr) < 0)
return 0;
if (xdr_stream_encode_bool(xdr, resp->common.err == nfserr_eof) < 0)
return 0;
break;
}
return 1;
}

1
fs/nfsd/xdr.h
View File

@ -114,6 +114,7 @@ struct nfsd_readdirres {
__be32 * buffer;
int buflen;
__be32 * offset;
struct page *page;
};
struct nfsd_statfsres {