From b066aa5ca3c8c5df9194cde8a07e896a96218426 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 18 Sep 2023 09:59:27 -0400 Subject: [PATCH] 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 Signed-off-by: Chuck Lever --- fs/nfsd/nfs4xdr.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 8f1e7f3699c2..1b3c2bad72dd 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -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);