block: drop virtual merging accounting

[linux-2.6-omap-h63xx.git] / include / linux / bio.h

diff --git a/include/linux/bio.h b/include/linux/bio.h
index 33c3947d61e97faa3ca55dbfeb85020c6f702fd6..894d16ce00202d79412813dd054faf1b71f980c8 100644 (file)
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -26,21 +26,8 @@
 
 #ifdef CONFIG_BLOCK
 
-/* Platforms may set this to teach the BIO layer about IOMMU hardware. */
 #include <asm/io.h>
 
-#if defined(BIO_VMERGE_MAX_SIZE) && defined(BIO_VMERGE_BOUNDARY)
-#define BIOVEC_VIRT_START_SIZE(x) (bvec_to_phys(x) & (BIO_VMERGE_BOUNDARY - 1))
-#define BIOVEC_VIRT_OVERSIZE(x)        ((x) > BIO_VMERGE_MAX_SIZE)
-#else
-#define BIOVEC_VIRT_START_SIZE(x)      0
-#define BIOVEC_VIRT_OVERSIZE(x)                0
-#endif
-
-#ifndef BIO_VMERGE_BOUNDARY
-#define BIO_VMERGE_BOUNDARY    0
-#endif
-
 #define BIO_DEBUG
 
 #ifdef BIO_DEBUG
@@ -240,8 +227,6 @@ static inline void *bio_data(struct bio *bio)
        ((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
 #endif
 
-#define BIOVEC_VIRT_MERGEABLE(vec1, vec2)      \
-       ((((bvec_to_phys((vec1)) + (vec1)->bv_len) | bvec_to_phys((vec2))) & (BIO_VMERGE_BOUNDARY - 1)) == 0)
 #define __BIO_SEG_BOUNDARY(addr1, addr2, mask) \
        (((addr1) | (mask)) == (((addr2) - 1) | (mask)))
 #define BIOVEC_SEG_BOUNDARY(q, b1, b2) \