Re: [rfc patch 2/2] direct-io: remove address alignment check

[Joel Becker]

On Thu, Jul 14, 2005 at 10:18:28PM -0700, Badari Pulavarty wrote:
> I can imagine a reason for relaxing the alignment. I keep getting asked
> whether we can do "O_DIRECT mount option".  Database folks wants to
> make sure all the access to files in a given filesystem are O_DIRECT

	All currently existing "O_DIRECT mount option" implementations
that I know of do:

	if (not-512-aligned)
		bounce_buffer()

That is, no one attempts to support the wacky variations in DMA engines.

Joel

-- 

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