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dm: swap target postsuspend call and setting suspended flag 

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>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Kiyoshi Ueda 2009-12-10 23:52:26 +00:00 committed by Alasdair G Kergon
parent 61afef614b
commit 4d4471cb5c
1 changed files with 2 additions and 2 deletions
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4
drivers/md/dm.c
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@ -2550,10 +2550,10 @@ int dm_suspend(struct mapped_device *md, unsigned suspend_flags)
* 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);