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authorLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-11-28 15:23:52 +1100
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-11-28 15:23:52 +1100
commitb5a20aa2657063cbf3b47fc700603180de4bb554 (patch)
tree9419fb851cda53a7f1fd67a3697bdf8550df19e4 /include/linux/bio.h
parentcc09c0dc57de7f7d2ed89d480b5653e5f6a32f2c (diff)
parented313489badef16d700f5a3be50e8fd8f8294bc8 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/bio.h')
-rw-r--r--include/linux/bio.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 1c91a176b9a..6a642098e5c 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -236,12 +236,16 @@ static inline void *bio_data(struct bio *bio)
#define __BVEC_END(bio) bio_iovec_idx((bio), (bio)->bi_vcnt - 1)
#define __BVEC_START(bio) bio_iovec_idx((bio), (bio)->bi_idx)
+/* Default implementation of BIOVEC_PHYS_MERGEABLE */
+#define __BIOVEC_PHYS_MERGEABLE(vec1, vec2) \
+ ((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
+
/*
* allow arch override, for eg virtualized architectures (put in asm/io.h)
*/
#ifndef BIOVEC_PHYS_MERGEABLE
#define BIOVEC_PHYS_MERGEABLE(vec1, vec2) \
- ((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
+ __BIOVEC_PHYS_MERGEABLE(vec1, vec2)
#endif
#define __BIO_SEG_BOUNDARY(addr1, addr2, mask) \