#include <linux/bio.h>
#include <linux/io.h>
#include <linux/export.h>
#include <xen/page.h>

bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
			       const struct bio_vec *vec2)
{
#if XEN_PAGE_SIZE == PAGE_SIZE
	unsigned long bfn1 = pfn_to_bfn(page_to_pfn(vec1->bv_page));
	unsigned long bfn2 = pfn_to_bfn(page_to_pfn(vec2->bv_page));

	return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) &&
		((bfn1 == bfn2) || ((bfn1+1) == bfn2));
#else
	/*
	 * XXX: Add support for merging bio_vec when using different page
	 * size in Xen and Linux.
	 */
	return 0;
#endif
}
EXPORT_SYMBOL(xen_biovec_phys_mergeable);
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='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Helge Deller &lt;deller@gmx.de&gt;</td><td class='right'>2017-01-03 22:55:50 +0100</td></tr>
<tr><th>committer</th><td>Helge Deller &lt;deller@gmx.de&gt;</td><td class='right'>2017-01-28 21:54:21 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/sync?id=83b5d1e3d3013dbf90645a5d07179d018c8243fa'>83b5d1e3d3013dbf90645a5d07179d018c8243fa</a> (<a href='/cgit.cgi/linux/net-next.git/patch/tools/testing/selftests/sync?id=83b5d1e3d3013dbf90645a5d07179d018c8243fa'>patch</a>)</td></tr>
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<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/tools/testing/selftests/sync?id=d56a5ca366e785f463b4782f65daac883612a2b2'>d56a5ca366e785f463b4782f65daac883612a2b2</a> (<a href='/cgit.cgi/linux/net-next.git/diff/tools/testing/selftests/sync?id=83b5d1e3d3013dbf90645a5d07179d018c8243fa&amp;id2=d56a5ca366e785f463b4782f65daac883612a2b2'>diff</a>)</td></tr></table>
<div class='commit-subject'>parisc, parport_gsc: Fixes for printk continuation lines</div><div class='commit-msg'>Signed-off-by: Helge Deller &lt;deller@gmx.de&gt;
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