use lock pools throughout git-annex
The one exception is in Utility.Daemon. As long as a process only daemonizes once, which seems reasonable, and as long as it avoids calling checkDaemon once it's already running as a daemon, the fcntl locking gotchas won't be a problem there. Annex.LockFile has it's own separate lock pool layer, which has been renamed to LockCache. This is a persistent cache of locks that persist until closed. This is not quite done; lockContent stil needs to be converted.
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@ -74,7 +74,7 @@ openDb u = do
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liftIO $ do
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void $ tryIO $ removeDirectoryRecursive dbdir
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rename tmpdbdir dbdir
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lockFileShared =<< fromRepo (gitAnnexFsckDbLock u)
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lockFileCached =<< fromRepo (gitAnnexFsckDbLock u)
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h <- liftIO $ H.openDb db "fscked"
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return $ FsckHandle h u
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