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I just integrated most of them into two original patches. Ok, I'll merge the previous commits and resend next time. > Could you please take a look at this? LGTM. > Applied with the fix. Thanks! BTW, I would like to ask whether it is possible to maintain discard in separated file. https://patchwork.kernel.org/project/f2fs/patch/20221217132318.37718-1-frank.li@vivo.com/ MBR, Yangtao