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Commit 29121bd0 authored by Alasdair G Kergon's avatar Alasdair G Kergon Committed by Linus Torvalds
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[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: default avatarAlasdair G Kergon <agk@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent b7cca195

drivers/md/dm-log.c

+2 −2
Original line number Diff line number Diff line
@@ -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?