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authorChristoph Hellwig <hch@lst.de>2018-09-25 13:30:07 -0700
committerJens Axboe <axboe@kernel.dk>2018-09-26 08:45:10 -0600
commit20e3267601f95ff62d7a3116a17a680e9f5cbcc9 (patch)
tree3a80325aca975b671866f88d3981cd4380669fe6 /include/xen
parentcd11b1d344784b1a4c0d7aa18edc0830fd3989d1 (diff)
xen: provide a prototype for xen_biovec_phys_mergeable in xen.h
Having multiple externs in arch headers is not a good way to provide a common interface. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/xen')
-rw-r--r--include/xen/xen.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/xen/xen.h b/include/xen/xen.h
index 1e1d9bd0bd37..d7a2678da77f 100644
--- a/include/xen/xen.h
+++ b/include/xen/xen.h
@@ -39,4 +39,8 @@ extern uint32_t xen_start_flags;
#define xen_initial_domain() (0)
#endif /* CONFIG_XEN_DOM0 */
+struct bio_vec;
+bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
+ const struct bio_vec *vec2);
+
#endif /* _XEN_XEN_H */