dm persistent data: tidy transaction manager creation fns
authorJoe Thornber <ejt@redhat.com>
Fri, 27 Jul 2012 14:08:09 +0000 (15:08 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Fri, 27 Jul 2012 14:08:09 +0000 (15:08 +0100)
commit384ef0e62e409e52c80adef5b1ff83075377c19e
tree734db218c323e88a303f64218661286f94f9e52a
parenteb04cf634fc2d5e3bc8fe88fbf434eda4921d875
dm persistent data: tidy transaction manager creation fns

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>
drivers/md/dm-thin-metadata.c
drivers/md/persistent-data/dm-block-manager.c
drivers/md/persistent-data/dm-transaction-manager.c
drivers/md/persistent-data/dm-transaction-manager.h