[PATCH] dm mirror log: bitset_size fix
Fix the 'sizeof' in the region log bitmap size calculation: it's uint32_t, not unsigned long - this breaks on some archs. Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -295,10 +295,10 @@ static int create_log_context(struct dirty_log *log, struct dm_target *ti,
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* Work out how many "unsigned long"s we need to hold the bitset.
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*/
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bitset_size = dm_round_up(region_count,
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sizeof(unsigned long) << BYTE_SHIFT);
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sizeof(*lc->clean_bits) << BYTE_SHIFT);
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bitset_size >>= BYTE_SHIFT;
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lc->bitset_uint32_count = bitset_size / 4;
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lc->bitset_uint32_count = bitset_size / sizeof(*lc->clean_bits);
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/*
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* Disk log?
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