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Linux kernel mirror (for testing)
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kernel
os
linux
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>
authored by
Jeremy Fitzhardinge
and committed by
Jens Axboe
f92131c3
43381785
+5
-1
+5
-1
include/linux/bio.h
+5
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include/linux/bio.h
···
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#define __BVEC_END(bio) bio_iovec_idx((bio), (bio)->bi_vcnt - 1)
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#define __BVEC_START(bio) bio_iovec_idx((bio), (bio)->bi_idx)
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/* Default implementation of BIOVEC_PHYS_MERGEABLE */
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#define __BIOVEC_PHYS_MERGEABLE(vec1, vec2) \
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((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
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/*
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* allow arch override, for eg virtualized architectures (put in asm/io.h)
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*/
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#ifndef BIOVEC_PHYS_MERGEABLE
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#define BIOVEC_PHYS_MERGEABLE(vec1, vec2) \
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((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
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__BIOVEC_PHYS_MERGEABLE(vec1, vec2)
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#endif
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#define __BIO_SEG_BOUNDARY(addr1, addr2, mask) \