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Go Back   Linux Archive > Redhat > Device-mapper Development

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Old 03-16-2012, 02:22 PM
Joe Thornber
Default dm_thin: dm_sm_root_size() was being called for the wrong space-map

Fix a harmless typo.

The root is a chunk of data that gets written to the superblock. This
data is used to recreate the space map when opening a metadata area.
We have two space maps; one tracking space on the metadata device and
one of the data device. Both of these use the same format for their
root, so this typo was harmless.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-thin-metadata.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 237571a..a680c76 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -614,7 +614,7 @@ static int __commit_transaction(struct dm_pool_metadata *pmd)
if (r < 0)
goto out;

- r = dm_sm_root_size(pmd->metadata_sm, &data_len);
+ r = dm_sm_root_size(pmd->data_sm, &data_len);
if (r < 0)
goto out;


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