Re: [RFC PATCH] nfs: Support posix_fadvise(POSIX_FADV_RANDOM) on nfs server.

From: Namjae Jeon
Date: Sun Jun 24 2012 - 00:22:29 EST


2012/6/23, Chuck Lever <chuck.lever@xxxxxxxxxx>:
>
>
> Sent from my iPad
>
> On Jun 23, 2012, at 7:51 AM, Jim Rees <rees@xxxxxxxxx> wrote:
>
>> Namjae Jeon wrote:
>>
>> From: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
>>
>> This patch disable readahead for a file on NFS Server when
>> posix_fadvise(fd..., POSIX_FADV_RANDOM) is called on NFS
>> Client.
>>
>> It looks like you're adding an argument to the read op. Wouldn't that be
>> an
>> incompatible change? In which case wouldn't it be better to propose this
>> for inclusion in NFS 4.2? In fact didn't Dean propose this? What ever
>> happened with that?
>
> Yes, posix_fadvise support is part of NFSv4.2.
Where can I check it ?
Thanks.
>
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