hi, Richard On Mon, 2020-05-25 at 14:18 +0200, Bean Huo wrote: > After submission of patch V1 [1] and V2 [2], we stopped its update > since we get > stuck in the solution on how to avoid the power-loss issue in case > power-cut > hits the block filling. In the v1 and v2, to avoid this issue, we > always damaged > page0, page1, this's based on the hypothesis that NAND FS is UBIFS. > This > FS-specifical code is unacceptable in the MTD layer. Also, it cannot > cover all > NAND based file system. Based on the current discussion, seems that > re-write all > first 15 page from page0 is a satisfactory solution. This patch has overwrite page0~page14, damage EC and VID header boths. I know this is safe for UBIFS, even fastmap is enabled (you fixed this in (ubi: fastmap: Correctly handle interrupted erasures in EBA)). Now, how about jffs2? Thanks, Bean ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/