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authorIngo Molnar <mingo@elte.hu>2008-11-11 09:16:20 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-11 09:16:20 +0100
commit45b86a96f17cb2900f291129b0e67287400e45b2 (patch)
treef7968bf36e3947ee42251f7eebc6ea5f24aca202 /include/linux/bio.h
parent072ba49838b42c873c496d72c91bb237914cf3b6 (diff)
parent4143c5cb36331155a1823af8b3a8c761a59fed71 (diff)
Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/urgent
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) \