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dm thin: fix metadata dev resize detection

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Fix detection of the need to resize the dm thin metadata device.

The code incorrectly tried to extend the metadata device when it
didn't need to due to a merging error with patch 24347e9 ("dm thin:
detect metadata device resizing").

  device-mapper: transaction manager: couldn't open metadata space map
  device-mapper: thin metadata: tm_open_with_sm failed
  device-mapper: thin: aborting transaction failed
  device-mapper: thin: switching pool to failure mode

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Alasdair G Kergon 2013-05-19 18:57:50 +01:00
parent f722406faa
commit 610bba8b93
1 changed files with 2 additions and 2 deletions
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4
drivers/md/dm-thin.c
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@ -2188,7 +2188,7 @@ static int maybe_resize_metadata_dev(struct dm_target *ti, bool *need_commit)
*need_commit = false;
metadata_dev_size = get_metadata_dev_size(pool->md_dev);
metadata_dev_size = get_metadata_dev_size_in_blocks(pool->md_dev);
r = dm_pool_get_metadata_dev_size(pool->pmd, &sb_metadata_dev_size);
if (r) {
@ -2197,7 +2197,7 @@ static int maybe_resize_metadata_dev(struct dm_target *ti, bool *need_commit)
}
if (metadata_dev_size < sb_metadata_dev_size) {
DMERR("metadata device (%llu sectors) too small: expected %llu",
DMERR("metadata device (%llu blocks) too small: expected %llu",
metadata_dev_size, sb_metadata_dev_size);
return -EINVAL;