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svcrdma: use offset_in_page() macro 

Clean up: Use offset_in_page() macro instead of open-coding.

Reported-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Chuck Lever 2017-06-23 17:19:21 -04:00 committed by J. Bruce Fields
parent 9450ca8e2f
commit 91b022ec8b
1 changed files with 3 additions and 2 deletions
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5
net/sunrpc/xprtrdma/svc_rdma_rw.c
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@ -372,8 +372,9 @@ static void svc_rdma_pagelist_to_sg(struct svc_rdma_write_info *info,
struct scatterlist *sg;
struct page **page;
page_off = (info->wi_next_off + xdr->page_base) & ~PAGE_MASK;
page_no = (info->wi_next_off + xdr->page_base) >> PAGE_SHIFT;
page_off = info->wi_next_off + xdr->page_base;
page_no = page_off >> PAGE_SHIFT;
page_off = offset_in_page(page_off);
page = xdr->pages + page_no;
info->wi_next_off += remaining;
sg = ctxt->rw_sg_table.sgl;