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| author | Mike Snitzer <snitzer@redhat.com> | 2009-06-22 10:12:33 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-06-22 10:12:33 +0100 |
| commit | 18d8594dd93a1ae2fafd591ec026e87d743292bf (patch) | |
| tree | 9a4b0ac8512864666fef0c6e3bc26c5db172f649 | |
| parent | af4874e03ed82f050d5872d8c39ce64bf16b5c38 (diff) | |
| download | linux-18d8594dd93a1ae2fafd591ec026e87d743292bf.tar.gz linux-18d8594dd93a1ae2fafd591ec026e87d743292bf.tar.bz2 linux-18d8594dd93a1ae2fafd591ec026e87d743292bf.zip | |
dm log: fix create_log_context to use logical_block_size of log device
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>
| -rw-r--r-- | drivers/md/dm-log.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index 6352a9ad4446..9443896ede07 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -412,9 +412,10 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, /* * Buffer holds both header and bitset. */ - buf_size = dm_round_up((LOG_OFFSET << SECTOR_SHIFT) + - bitset_size, - ti->limits.logical_block_size); + buf_size = + dm_round_up((LOG_OFFSET << SECTOR_SHIFT) + bitset_size, + bdev_logical_block_size(lc->header_location. + bdev)); if (buf_size > i_size_read(dev->bdev->bd_inode)) { DMWARN("log device %s too small: need %llu bytes", |