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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-10-29 14:10:51 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-11-06 08:41:55 +0100 |
| commit | f92131c3dd567fc6df18ce3f46fcf57ecbdefbe0 (patch) | |
| tree | b53b15be43bf7631d0577dac11d27f9899a3cada /include/linux/bio.h | |
| parent | 43381785a5ba1cb424b36812373a6a04054b5c3c (diff) | |
| download | linux-f92131c3dd567fc6df18ce3f46fcf57ecbdefbe0.tar.gz linux-f92131c3dd567fc6df18ce3f46fcf57ecbdefbe0.tar.bz2 linux-f92131c3dd567fc6df18ce3f46fcf57ecbdefbe0.zip | |
bio: define __BIOVEC_PHYS_MERGEABLE
Define __BIOVEC_PHYS_MERGEABLE as the default implementation of
BIOVEC_PHYS_MERGEABLE, so that its available for reuse within an
arch-specific definition of BIOVEC_PHYS_MERGEABLE.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/bio.h')
| -rw-r--r-- | include/linux/bio.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h index 1c91a176b9ae..6a642098e5c3 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) \ |