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largefile: make sure we hold the lock when updating the second dirstate...

largefile: make sure we hold the lock when updating the second dirstate The largefile extension uses a second dirstate file (and object) to track some states. In some situations, it is lazily updated when needed. These operations might not have the lock taken. This means they might conflict and race with other ongoing operations. So we now take the lock to do these operations. This was caught by the next commit.

Gregory Szorc - - Load All Authors

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      # Copyright 2016-present Facebook. All Rights Reserved.

      #

      # error: errors used in fastannotate

      #

      # This software may be used and distributed according to the terms of the

      # GNU General Public License version 2 or any later version.

      class CorruptedFileError(Exception):

          pass

      class CannotReuseError(Exception):

          """cannot reuse or update the cache incrementally"""

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				# Copyright 2016-present Facebook. All Rights Reserved.
				#
				# error: errors used in fastannotate
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.


				class CorruptedFileError(Exception):
				pass


				class CannotReuseError(Exception):
				"""cannot reuse or update the cache incrementally"""