Re: [RFC] problem with grow_dev_page()/readpage()

[Linus Torvalds]

On Mon, 19 Nov 2001, Alexander Viro wrote:
>
> 	Look at block_read_full_page().  If it sees ->buffers != NULL, it
> assumes that buffer size corresponds to ->i_blkbits.

It doesn't matter - it doesn't _use_ the thing, if the buffers are mapped
(and they will always be mapped for block devices).

So it only cares about i_blkbits if it creates new buffers.

		Linus