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[PATCH] dm mirror log: bitset_size fix

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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>
This commit is contained in:
Alasdair G Kergon 2006-06-26 00:27:29 -07:00 committed by Linus Torvalds
parent b7cca195c4
commit 29121bd0b0
1 changed files with 2 additions and 2 deletions
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4
drivers/md/dm-log.c
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@ -295,10 +295,10 @@ static int create_log_context(struct dirty_log *log, struct dm_target *ti,
* Work out how many "unsigned long"s we need to hold the bitset.
*/
bitset_size = dm_round_up(region_count,
sizeof(unsigned long) << BYTE_SHIFT);
sizeof(*lc->clean_bits) << BYTE_SHIFT);
bitset_size >>= BYTE_SHIFT;
lc->bitset_uint32_count = bitset_size / 4;
lc->bitset_uint32_count = bitset_size / sizeof(*lc->clean_bits);
/*
* Disk log?