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dm persistent data: tidy transaction manager creation fns

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Tidy the transaction manager creation functions.

They no longer lock the superblock.  Superblock locking is pulled out to
the caller.

Also export dm_bm_write_lock_zero.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Joe Thornber 2012-07-27 15:08:09 +01:00 • committed by Alasdair G Kergon
parent eb04cf634f
commit 384ef0e62e
4 changed files with 48 additions and 57 deletions
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1
drivers/md/persistent-data/dm-block-manager.c
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@ -565,6 +565,7 @@ int dm_bm_write_lock_zero(struct dm_block_manager *bm,
return 0;
}
EXPORT_SYMBOL_GPL(dm_bm_write_lock_zero);
int dm_bm_unlock(struct dm_block *b)
{