diff options
Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_rw.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_rw.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c index 9bd04549a1ad..12b9a7e0b6d2 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_rw.c +++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c @@ -727,12 +727,16 @@ static int svc_rdma_build_normal_read_chunk(struct svc_rqst *rqstp, head->arg.head[0].iov_len - info->ri_position; head->arg.head[0].iov_len = info->ri_position; - /* Read chunk may need XDR roundup (see RFC 5666, s. 3.7). + /* Read chunk may need XDR roundup (see RFC 8166, s. 3.4.5.2). * - * NFSv2/3 write decoders need the length of the tail to - * contain the size of the roundup padding. + * If the client already rounded up the chunk length, the + * length does not change. Otherwise, the length of the page + * list is increased to include XDR round-up. + * + * Currently these chunks always start at page offset 0, + * thus the rounded-up length never crosses a page boundary. */ - head->arg.tail[0].iov_len += 4 - (info->ri_chunklen & 3); + info->ri_chunklen = XDR_QUADLEN(info->ri_chunklen) << 2; head->arg.page_len = info->ri_chunklen; head->arg.len += info->ri_chunklen; |