From: Matthew Wilcox <matthew.r.wilcox@intel.com>
Date: Fri, 4 Nov 2011 19:41:27 +0000 (-0400)
Subject: Xen: Export xen_biovec_phys_mergeable
X-Git-Tag: firefly_0821_release~3680^2~2014^2~116
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0b934ccd707ff33a87f15a35a9916d1d8e85d30e;p=firefly-linux-kernel-4.4.55.git

Xen: Export xen_biovec_phys_mergeable

When Xen is enabled, using BIOVEC_PHYS_MERGEABLE in a module
causes xen_biovec_phys_mergeable to be referenced, so it needs
to be exported.

Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
---

diff --git a/drivers/xen/biomerge.c b/drivers/xen/biomerge.c
index ba6eda4b5143..18c1bb6ffce3 100644
--- a/drivers/xen/biomerge.c
+++ b/drivers/xen/biomerge.c
@@ -11,3 +11,4 @@ bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
 	return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) &&
 		((mfn1 == mfn2) || ((mfn1+1) == mfn2));
 }
+EXPORT_SYMBOL(xen_biovec_phys_mergeable);