NFSD: Add nfsd4_encode_fattr4_size()
Refactor the encoder for FATTR4_SIZE into a helper. In a subsequent
patch, this helper will be called from a bitmask loop.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index c557d8a..d08e0db 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3025,6 +3025,12 @@ static __be32 nfsd4_encode_fattr4_change(struct xdr_stream *xdr,
return nfsd4_encode_changeid4(xdr, c);
}
+static __be32 nfsd4_encode_fattr4_size(struct xdr_stream *xdr,
+ const struct nfsd4_fattr_args *args)
+{
+ return nfsd4_encode_uint64_t(xdr, args->size);
+}
+
/*
* Note: @fhp can be NULL; in this case, we might have to compose the filehandle
* ourselves.
@@ -3175,10 +3181,9 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
goto out;
}
if (bmval0 & FATTR4_WORD0_SIZE) {
- p = xdr_reserve_space(xdr, 8);
- if (!p)
- goto out_resource;
- p = xdr_encode_hyper(p, args.size);
+ status = nfsd4_encode_fattr4_size(xdr, &args);
+ if (status != nfs_ok)
+ goto out;
}
if (bmval0 & FATTR4_WORD0_LINK_SUPPORT) {
status = nfsd4_encode_fattr4__true(xdr, &args);
