mtd blocks

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I am hoping someone can explain something that isn’t making sense to me.  I have a nand partition setup for 256MB.  When I set that up, it ends up at mtdblock4 and it shows correctly as the mounted filesystem.  However, it shows it as a size of 10.2 Mb.  I am running busybox 1.5.1 just in case anyone would need to know that info.  The filesystem mounts just fine and works just fine…but it thinks it is smaller than it is really is.

 

Could this have anything to do with what number mtd block it is, how the /dev/ is created, or anything else?  Any hints/suggestions would be helpful as this doesn’t make sense to me.

 

TIA

 

 

 

# cat /proc/mtd

dev:    size   erasesize  name

mtd0: 00060000 00010000 "u-boot"

mtd1: 000a0000 00010000 "params"

mtd2: 00200000 00010000 "kernel"

mtd3: 00500000 00010000 "filesystem_nor"

mtd4: 10000000 00020000 "NAND1"

# df

Filesystem                Size      Used Available Use% Mounted on

/dev/mtdblock4           10.2M      7.6M      2.6M  74% /

#


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