From fafdd2bf2638157670f28462b641150d16dbaeca Mon Sep 17 00:00:00 2001 From: Richard Weinberger Date: Mon, 24 Nov 2014 22:30:09 +0100 Subject: UBI: Implement UBI_METAONLY MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit UBI_METAONLY is a new open mode for UBI volumes, it indicates that only meta data is being changed. Meta data in terms of UBI volumes means data which is stored in the UBI volume table but not on the volume itself. While it does not interfere with UBI_READONLY and UBI_READWRITE it is not allowed to use UBI_METAONLY together with UBI_EXCLUSIVE. Cc: Ezequiel Garcia Cc: Andrew Murray Signed-off-by: Richard Weinberger Tested-by: Guido Martínez Reviewed-by: Guido Martínez Tested-by: Christoph Fritz Tested-by: Andrew Murray --- include/linux/mtd/ubi.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'include/linux') diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h index c3918a0684fe..8fa2753316e8 100644 --- a/include/linux/mtd/ubi.h +++ b/include/linux/mtd/ubi.h @@ -34,11 +34,14 @@ * UBI_READONLY: read-only mode * UBI_READWRITE: read-write mode * UBI_EXCLUSIVE: exclusive mode + * UBI_METAONLY: modify only the volume meta-data, + * i.e. the data stored in the volume table, but not in any of volume LEBs. */ enum { UBI_READONLY = 1, UBI_READWRITE, - UBI_EXCLUSIVE + UBI_EXCLUSIVE, + UBI_METAONLY }; /** -- cgit v1.2.3