From d933cc32019063fc4beb8b20528ca724bd1b7a52 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Thu, 8 Jun 2017 11:53:16 -0400 Subject: [PATCH] xprtrdma: Replace PAGE_MASK with offset_in_page() Clean up. Reported by: Geliang Tang Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker --- net/sunrpc/xprtrdma/rpc_rdma.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index b6584ae8e251..ca4d6e4528f3 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -141,7 +141,7 @@ static bool rpcrdma_args_inline(struct rpcrdma_xprt *r_xprt, if (xdr->page_len) { remaining = xdr->page_len; - offset = xdr->page_base & ~PAGE_MASK; + offset = offset_in_page(xdr->page_base); count = 0; while (remaining) { remaining -= min_t(unsigned int, @@ -222,7 +222,7 @@ rpcrdma_convert_iovs(struct rpcrdma_xprt *r_xprt, struct xdr_buf *xdrbuf, len = xdrbuf->page_len; ppages = xdrbuf->pages + (xdrbuf->page_base >> PAGE_SHIFT); - page_base = xdrbuf->page_base & ~PAGE_MASK; + page_base = offset_in_page(xdrbuf->page_base); p = 0; while (len && n < RPCRDMA_MAX_SEGS) { if (!ppages[p]) { @@ -540,7 +540,7 @@ rpcrdma_prepare_msg_sges(struct rpcrdma_ia *ia, struct rpcrdma_req *req, goto out; page = virt_to_page(xdr->tail[0].iov_base); - page_base = (unsigned long)xdr->tail[0].iov_base & ~PAGE_MASK; + page_base = offset_in_page(xdr->tail[0].iov_base); /* If the content in the page list is an odd length, * xdr_write_pages() has added a pad at the beginning @@ -557,7 +557,7 @@ rpcrdma_prepare_msg_sges(struct rpcrdma_ia *ia, struct rpcrdma_req *req, */ if (xdr->page_len) { ppages = xdr->pages + (xdr->page_base >> PAGE_SHIFT); - page_base = xdr->page_base & ~PAGE_MASK; + page_base = offset_in_page(xdr->page_base); remaining = xdr->page_len; while (remaining) { sge_no++; @@ -587,7 +587,7 @@ rpcrdma_prepare_msg_sges(struct rpcrdma_ia *ia, struct rpcrdma_req *req, */ if (xdr->tail[0].iov_len) { page = virt_to_page(xdr->tail[0].iov_base); - page_base = (unsigned long)xdr->tail[0].iov_base & ~PAGE_MASK; + page_base = offset_in_page(xdr->tail[0].iov_base); len = xdr->tail[0].iov_len; map_tail: @@ -878,9 +878,9 @@ rpcrdma_inline_fixup(struct rpc_rqst *rqst, char *srcp, int copy_len, int pad) srcp += curlen; copy_len -= curlen; - page_base = rqst->rq_rcv_buf.page_base; - ppages = rqst->rq_rcv_buf.pages + (page_base >> PAGE_SHIFT); - page_base &= ~PAGE_MASK; + ppages = rqst->rq_rcv_buf.pages + + (rqst->rq_rcv_buf.page_base >> PAGE_SHIFT); + page_base = offset_in_page(rqst->rq_rcv_buf.page_base); fixup_copy_count = 0; if (copy_len && rqst->rq_rcv_buf.page_len) { int pagelist_len; -- 2.20.1