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Btrfs: wake up delayed ref flushing waiters on abort

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I hit a deadlock because we aborted when flushing delayed refs but didn't wake
any of the other flushers up and so everybody was just sleeping forever.  This
should fix the problem.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Josef Bacik 2013-06-10 11:52:32 -04:00
parent 3fb4037599
commit f971fe29b1
1 changed files with 1 additions and 0 deletions
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1
fs/btrfs/extent-tree.c
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@ -2629,6 +2629,7 @@ again:
spin_unlock(&delayed_refs->lock);
btrfs_abort_transaction(trans, root, ret);
atomic_dec(&delayed_refs->procs_running_refs);
wake_up(&delayed_refs->wait);
return ret;
}