Re: O_DIRECT question

[Bodo Eggert]

Helge Hafting <helge.hafting@xxxxxxxxxxxxx> wrote:
> Michael Tokarev wrote:

>> But seriously - what about just disallowing non-O_DIRECT opens together
>> with O_DIRECT ones ?
>>   
> Please do not create a new local DOS attack.
> I open some important file, say /etc/resolv.conf
> with O_DIRECT and just sit on the open handle.
> Now nobody else can open that file because
> it is "busy" with O_DIRECT ?

Suspend O_DIRECT access while non-O_DIRECT-fds are open, fdatasync on close?
-- 
"Unix policy is to not stop root from doing stupid things because
that would also stop him from doing clever things." - Andi Kleen

"It's such a fine line between stupid and clever" - Derek Smalls
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