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drbd: in drbd_suspend_al, set AL_SUSPENDED before unlocking the activity log

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As using an empty activity log is the whole point of the excercise,
make sure it is still empty when setting AL_SUSPENDED.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Lars Ellenberg 2011-02-21 13:20:54 +01:00 committed by Philipp Reisner
parent 867f57483b
commit 61610420f7
1 changed files with 3 additions and 5 deletions
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8
drivers/block/drbd/drbd_nl.c
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@ -901,19 +901,17 @@ static void drbd_suspend_al(struct drbd_conf *mdev)
{
int s = 0;
if (lc_try_lock(mdev->act_log)) {
drbd_al_shrink(mdev);
lc_unlock(mdev->act_log);
} else {
if (!lc_try_lock(mdev->act_log)) {
dev_warn(DEV, "Failed to lock al in drbd_suspend_al()\n");
return;
}
drbd_al_shrink(mdev);
spin_lock_irq(&mdev->tconn->req_lock);
if (mdev->state.conn < C_CONNECTED)
s = !test_and_set_bit(AL_SUSPENDED, &mdev->flags);
spin_unlock_irq(&mdev->tconn->req_lock);
lc_unlock(mdev->act_log);
if (s)
dev_info(DEV, "Suspended AL updates\n");