On Thu, Feb 3, 2011 at 12:07 PM, Ask <asifk1...@gmail.com> wrote: > Hi all, > > I am trying to mount only data partion as ubifs rather than yaffs2 on > the raw flash. system is yaffs2 and root is rootfs. In my device, mtd > partion 13 is "userdata".. so i have added ubi.mtd =13 to kernel > commmand line args and able to attach mtd13 to ubi0 device but volume > is not created.. >
Verify if your .config has UBI support: CONFIG_MTD_UBI=y CONFIG_MTD_UBI_WL_THRESHOLD=4096 CONFIG_MTD_UBI_BEB_RESERVE=1 CONFIG_UBIFS_FS=y CONFIG_UBIFS_FS_LZO=y CONFIG_UBIFS_FS_ZLIB=y > So, is there any parameters that we can pass to kernel for userdata to > create volume ubi0_0 on ubi device ubi0. I have added following line > to my init.rc to mount data partition as ubifs, > > mount ubifs ubi0_0 /data... > at user space I normally use something like: # mount -t ubifs ubi<n>:<name> <mount point> > Or else is it possible ..if I create my userdata image as .ubi and > flash the device by adding ubi.mtd=13 to kernel parameters? yes. rootfstype=ubifs ubi.mtd=<part_number> root=ubi<n>:<name> mtd-utils has googd documentation in how to create UBI partititions, but when I was learning I made my steps available, refer to http://www.coding.com.br/embarcado/linux-booting-on-ubifs-partitions/ best regards, --tm -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting
