GlusterFS: Synchronize additional operations
create_cloned_volume() and copy_volume_to_image() should also be
locked against other driver operations to prevent collisions
from concurrent updates of snapshot metadata or volume file data.
Closes-Bug: #1267983
(cherry picked from commit 06999f610a
)
Change-Id: Idd6158bfbe4dc049c33fa58b40d3d570fc244d01
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@ -160,6 +160,7 @@ class GlusterfsDriver(nfs.RemoteFsDriver):
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return snap_info['active']
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@utils.synchronized('glusterfs', external=False)
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def create_cloned_volume(self, volume, src_vref):
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"""Creates a clone of the specified volume."""
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@ -907,6 +908,7 @@ class GlusterfsDriver(nfs.RemoteFsDriver):
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"""Disallow connection from connector."""
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pass
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@utils.synchronized('glusterfs', external=False)
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def copy_volume_to_image(self, context, volume, image_service, image_meta):
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"""Copy the volume to the specified image."""
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