forked from Minki/linux
dm-integrity: use bvec_virt
Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20210804095634.460779-6-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -1819,7 +1819,7 @@ again:
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unsigned this_len;
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BUG_ON(PageHighMem(biv.bv_page));
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tag = lowmem_page_address(biv.bv_page) + biv.bv_offset;
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tag = bvec_virt(&biv);
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this_len = min(biv.bv_len, data_to_process);
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r = dm_integrity_rw_tag(ic, tag, &dio->metadata_block, &dio->metadata_offset,
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this_len, dio->op == REQ_OP_READ ? TAG_READ : TAG_WRITE);
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@ -2006,7 +2006,7 @@ retry_kmap:
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unsigned tag_now = min(biv.bv_len, tag_todo);
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char *tag_addr;
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BUG_ON(PageHighMem(biv.bv_page));
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tag_addr = lowmem_page_address(biv.bv_page) + biv.bv_offset;
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tag_addr = bvec_virt(&biv);
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if (likely(dio->op == REQ_OP_WRITE))
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memcpy(tag_ptr, tag_addr, tag_now);
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else
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