Make fastmap known to Kconfig, UBI Makefile and MAINTAINERS. Signed-off-by: Richard Weinberger <[email protected]> --- MAINTAINERS | 6 ++++++ drivers/mtd/ubi/Kconfig | 20 ++++++++++++++++++++ drivers/mtd/ubi/Makefile | 1 + 3 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS index fdc0119..7bcade0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7075,6 +7075,12 @@ F: drivers/mtd/ubi/ F: include/linux/mtd/ubi.h F: include/mtd/ubi-user.h +UNSORTED BLOCK IMAGES (UBI) Fastmap +M: Richard Weinberger <[email protected]> +L: [email protected] +S: Maintained +F: drivers/mtd/ubi/fastmap.c + USB ACM DRIVER M: Oliver Neukum <[email protected]> L: [email protected] diff --git a/drivers/mtd/ubi/Kconfig b/drivers/mtd/ubi/Kconfig index 271a842..3620f91 100644 --- a/drivers/mtd/ubi/Kconfig +++ b/drivers/mtd/ubi/Kconfig @@ -56,6 +56,26 @@ config MTD_UBI_BEB_LIMIT Leave the default value if unsure. +config MTD_UBI_FASTMAP + bool "UBI Fastmap (EXPERIMENTAL)" + depends on EXPERIMENTAL + default n + help + Fastmap is a mechanism which allows attaching an UBI device + in nearly constant time. + Instead of scanning the whole MTD device it only has to locate + a checkpoint (called fastmap) on the device. + The on-flash fastmap contains all information needed to attach + the device. Using fastmap makes only sense on large devices where + attaching by scanning takes long. UBI will not automatically install + a fastmap on old images, but you can set the UBI module parameter + fm_autoconvert to 1 if you want so. Please note that fastmap-enabled + images are still usable with UBI implementations without + fastmap support. On typical flash devices the whole fastmap fits + into one PEB. UBI will reserve PEBs to hold two fastmaps. + + If in doubt, say "N". + config MTD_UBI_GLUEBI tristate "MTD devices emulation driver (gluebi)" help diff --git a/drivers/mtd/ubi/Makefile b/drivers/mtd/ubi/Makefile index a0803ac..7ab19ac 100644 --- a/drivers/mtd/ubi/Makefile +++ b/drivers/mtd/ubi/Makefile @@ -4,3 +4,4 @@ ubi-y += vtbl.o vmt.o upd.o build.o cdev.o kapi.o eba.o io.o wl.o attach.o ubi-y += misc.o debug.o obj-$(CONFIG_MTD_UBI_GLUEBI) += gluebi.o +obj-$(CONFIG_MTD_UBI_FASTMAP) += fastmap.o -- 1.7.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
