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authorAlasdair G Kergon <agk@redhat.com>2006-06-26 00:27:29 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 09:58:35 -0700
commit29121bd0b00ebb9524971a583fea4a2f7afe8041 (patch)
tree499be8e6dea167fd9a17ccce11467d6bdd1c40dc
parentb7cca195c4cc051210f3e60a859b779ca833a2e4 (diff)
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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: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/md/dm-log.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index f52a78fc82b..33d80721667 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -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?