Messages in this thread | | | Subject | Re: Block sizes < 512 bytes | Date | Sun, 5 Sep 1999 16:14:02 +0100 (BST) | From | list.kernel@iahastie ... |
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> After testing and enjoying the panic that ensued, I did some hunting and > discovered in fs/buffer.c that the block size must >= 512 bytes. > > Why is this? I admit I'm unfamiliar with most of the filesystem code, but > it seems a little silly to limit the block size in this (seemingly > arbitrary) way.
Mainly so we have enough bits in a 32bit value to describe a large device.
> Am I doing this wrong? Is there another way to acheive what I want?
I think you will need to run the vfs at 512 bytes and do your own work reblocking
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