From: Richard Weinberger Date: Mon, 6 Oct 2014 13:18:41 +0000 (+0200) Subject: UBI: Fastmap: Enhance fastmap checking X-Git-Tag: firefly_0821_release~176^2~1968^2~15 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=24b7a347c37f99c9d08d2d3ae9c6a56a8333429b;p=firefly-linux-kernel-4.4.55.git UBI: Fastmap: Enhance fastmap checking Don't update the fastmap upon detach if fastmap checking is enabled. This is poor men's power cut testing feature. :-) Signed-off-by: Richard Weinberger --- diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index a7571508fdab..e26fe12b1aae 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -1114,8 +1114,11 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway) ubi_msg(ubi, "detaching mtd%d", ubi->mtd->index); #ifdef CONFIG_MTD_UBI_FASTMAP /* If we don't write a new fastmap at detach time we lose all - * EC updates that have been made since the last written fastmap. */ - ubi_update_fastmap(ubi); + * EC updates that have been made since the last written fastmap. + * In case of fastmap debugging we omit the update to simulate an + * unclean shutdown. */ + if (!ubi_dbg_chk_fastmap(ubi)) + ubi_update_fastmap(ubi); #endif /* * Before freeing anything, we have to stop the background thread to