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由 Adrian Hunter 提交于
eMMC v4.5 sanitize operation erases all copies of unmapped data. However trim or erase operations must be used first to unmap the required sectors. That was not being done. Fixes apply to linux 3.2 on. Signed-off-by: NAdrian Hunter <adrian.hunter@intel.com> Cc: <stable@vger.kernel.org> Acked-by: NJaehoon Chung <jh80.chung@samsung.com> Acked-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NChris Ball <cjb@laptop.org>
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