Messages in this thread | | | Date | Fri, 15 Jul 2005 17:56:16 +0100 | From | Joel Becker <> | Subject | Re: [rfc patch 2/2] direct-io: remove address alignment check |
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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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