Jan Kara <[email protected]> writes:
>> I see. When I wrote this, I thought kernel should use DIO to write if
>> user sets O_DIRECT. Because the wrong alignment request isn't fallback
>> to buffered-write, and it's also returns EINVAL.
> I understand. It's just that I've got some surprised users who could not
> track why the hell does write() return EINVAL to them when they have
> everything alligned and the same code works for EXT3 :). Of course, nothing
> guarantees that FAT should behave the same way as EXT3 but I can understand
> they were surprised (I had to look in the code too).
> I also don't have a strong opinion whether we should fallback to buffered
> write automagically or whether we should return EINVAL and let the user fall
> back to the buffered write himself. But I'd slightly prefer the first
> option.
Hm, ok. I'll change EINVAL to zero as soon as possible after test.
Thanks.
--
OGAWA Hirofumi <[email protected]>
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