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xprtrdma: Replace PAGE_MASK with offset_in_page() 

Clean up.

Reported by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2017-06-08 11:53:16 -04:00 committed by Anna Schumaker
parent e2f6ef0915
commit d933cc3201
1 changed files with 8 additions and 8 deletions
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16
net/sunrpc/xprtrdma/rpc_rdma.c
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@ -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;