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dm log: fix create_log_context to use logical_block_size of log device

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create_log_context() must use the logical_block_size from the log disk,
where the I/O happens, not the target's logical_block_size.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Mike Snitzer
2009-06-22 10:12:33 +01:00
committed by Alasdair G Kergon
parent af4874e03e
commit 18d8594dd9
1 changed files with 4 additions and 3 deletions
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7
drivers/md/dm-log.c
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@@ -412,9 +412,10 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti,
/* /*
* Buffer holds both header and bitset. * Buffer holds both header and bitset.
*/ */
buf_size = dm_round_up((LOG_OFFSET << SECTOR_SHIFT) + buf_size =
bitset_size, dm_round_up((LOG_OFFSET << SECTOR_SHIFT) + bitset_size,
ti->limits.logical_block_size); bdev_logical_block_size(lc->header_location.
bdev));
if (buf_size > i_size_read(dev->bdev->bd_inode)) { if (buf_size > i_size_read(dev->bdev->bd_inode)) {
DMWARN("log device %s too small: need %llu bytes", DMWARN("log device %s too small: need %llu bytes",