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Device-mapper fixes for 3.4.
Fix a couple of serious memory leaks in device-mapper thin provisioning
and tidy its MODULE_DESCRIPTION.
Mitigate occasional reported hangs associated with multipath scsi_dh
module loading.
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Alasdair G Kergon (1):
dm thin: correct module description
Mike Snitzer (3):
dm thin: reinstate missing mempool_free in cell_release_singleton
dm thin: fix unprotected use of prepared_discards list
dm mpath: check if scsi_dh module already loaded before trying to load