Konrad Sztyber fb15434659 lib/ftl: store non-volatile cache's current write address
Remember current write position within the cache when shutting down.  It
allows for faster recovery after clean shutdown (no need to scan the
device) as well as grants a quick way to distinguish between clean and
dirty shutdowns.

Change-Id: I79c22caa0b1ca4373951ac43f747b085d331cdd0
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/460796
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
2019-07-25 22:36:31 +00:00
..
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