[Ocfs2-devel] [PATCH 4/4] ocfs2-1.6: add splice read/write support
Tao Ma
tao.ma at oracle.com
Sun Mar 14 23:32:25 PDT 2010
Tiger Yang wrote:
> Tao Ma wrote:
>>> +void pipe_wait(struct pipe_inode_info *pipe)
>> I just see that el5 already has splice support, see
>> http://www.redhat.com/rhel/features/
>>
>> So we still need to copy these functions back? At least in el5u2, I
>> see these functions like pipe_wait, pipe_to_file etc.
>
> Yes. We need copy these functions because they are not exported by the
> kernel of el5.
>
> Because the struct splice_desc has been changed since 2.6.30, it it
> difficult to back port the latest code in mainline. So I chose the
> splice code in 2.6.29 for back porting. I hope the latest code before
> change are more stable and efficient.
oh, I see. I just checked the source code in 1.4. Thanks for the
explanation.
Regards,
Tao
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