mkfs.jffs2
Russ Dill
Russ.Dill at asu.edu
Wed Aug 22 11:44:52 EDT 2001
On 22 Aug 2001 21:00:43 +0000, Ashok M Padmanaban wrote:
> Hi,
> The mkfs.jffs2 has some options, in which -e option specifies the
> erase block size, which by default is 64KiB.
> While making a jffs2 image of a directory (which has some files) of size
> 3848192 Bytes.
>
> ./mkfs.jffs2 -d directory -o jffs2_img -e 128KiB
>
> With default option for erase block size ( 64KiB), the jffs2 image size
> was : 1983612 Bytes. ( 1.89 MB)
> With -e 128KiB
> , the jffs2 image size was : 7687900 Bytes (7.33 MB)
> With -e 256KiB
> , the jffs2 image size was : 4289164 Bytes (4.09 MB)
>
> Why is that the jffs2 image size is varying with the erase block size.?
> If i have an erase size of 256KiB(on flash), is it necessary that i
> should build a jffs2 image with the -e 256KiB option.
try -e 0x20000 or -e 0x10000
More information about the linux-mtd
mailing list