nfsd4: minor encode_read cleanup
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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@ -3076,18 +3076,20 @@ nfsd4_encode_read(struct nfsd4_compoundres *resp, __be32 nfserr,
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len = maxcount;
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v = 0;
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while (len > 0) {
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while (len) {
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int thislen;
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page = *(resp->rqstp->rq_next_page);
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if (!page) { /* ran out of pages */
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maxcount -= len;
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break;
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}
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thislen = min_t(long, len, PAGE_SIZE);
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resp->rqstp->rq_vec[v].iov_base = page_address(page);
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resp->rqstp->rq_vec[v].iov_len =
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len < PAGE_SIZE ? len : PAGE_SIZE;
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resp->rqstp->rq_vec[v].iov_len = thislen;
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resp->rqstp->rq_next_page++;
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v++;
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len -= PAGE_SIZE;
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len -= thislen;
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}
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read->rd_vlen = v;
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