Storage controller and method for managing a solid-state memory
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United States of America Patent
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Jan 2, 2018
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app pub date -
Nov 5, 2015
filing date -
Nov 5, 2015
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Abstract
A storage controller for managing a solid-state memory is suggested. The solid-state memory includes a plurality of physical addresses. The storage controller comprises a mapping table for mapping a plurality of logical addresses to the plurality of physical addresses, the mapping table including mapping values, each mapping value defining the mapping of one logical address to one physical address, a processing unit for performing linearizable operations on the mapping values, the processing unit configured to concurrently execute some of the linearizable operations, a synchronization unit for mediating the concurrently executed linearizable operations, the synchronization unit configured to examine a mapping value of the mapping table, compare the examined mapping value with a known mapping value, the known mapping value being the last known value for the examined mapping value, and, if the examined mapping value and the known mapping value are identical, update the examined mapping value with a new mapping value.
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