[dm-devel] [PATCH 1/4] dm: move DMF_SUSPENDED flag set before postsuspend

[Kiyoshi Ueda <k-ueda ct jp nec com>]

This patch moves DMF_SUSPENDED flag set before postsuspend.
No one should care about the ordering, because the flag set and
the postsuspend are protected by a single lock, md->suspend_lock,
and all strict flag-checkers take the lock.

Signed-off-by: Kiyoshi Ueda <k-ueda ct jp nec com>
Signed-off-by: Jun'ichi Nomura <j-nomura ce jp nec com>
Cc: Mike Anderson <andmike linux vnet ibm com>
Cc: Alasdair G Kergon <agk redhat com>
---
 drivers/md/dm.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: 2.6.32-rc7/drivers/md/dm.c
===================================================================
--- 2.6.32-rc7.orig/drivers/md/dm.c
+++ 2.6.32-rc7/drivers/md/dm.c
@@ -2542,10 +2542,10 @@ int dm_suspend(struct mapped_device *md,
 	 * requests are being added to md->deferred list.
 	 */
 
-	dm_table_postsuspend_targets(map);
-
 	set_bit(DMF_SUSPENDED, &md->flags);
 
+	dm_table_postsuspend_targets(map);
+
 out:
 	dm_table_put(map);