NFSD: Add nfsd4_encode_fattr4_maxlink()

Refactor the encoder for FATTR4_MAXLINK 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>
This commit is contained in:
Chuck Lever 2023-09-18 09:59:27 -04:00
parent 7c605dccc5
commit b066aa5ca3

View file

@ -3159,6 +3159,12 @@ static __be32 nfsd4_encode_fattr4_maxfilesize(struct xdr_stream *xdr,
return nfsd4_encode_uint64_t(xdr, sb->s_maxbytes);
}
static __be32 nfsd4_encode_fattr4_maxlink(struct xdr_stream *xdr,
const struct nfsd4_fattr_args *args)
{
return nfsd4_encode_uint32_t(xdr, 255);
}
/*
* Note: @fhp can be NULL; in this case, we might have to compose the filehandle
* ourselves.
@ -3418,10 +3424,9 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
goto out;
}
if (bmval0 & FATTR4_WORD0_MAXLINK) {
p = xdr_reserve_space(xdr, 4);
if (!p)
goto out_resource;
*p++ = cpu_to_be32(255);
status = nfsd4_encode_fattr4_maxlink(xdr, &args);
if (status != nfs_ok)
goto out;
}
if (bmval0 & FATTR4_WORD0_MAXNAME) {
p = xdr_reserve_space(xdr, 4);