From: Tao Ma <tao.ma@oracle.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH 4/4] ocfs2-1.6: add splice read/write support
Date: Mon, 15 Mar 2010 14:32:25 +0800 [thread overview]
Message-ID: <4B9DD479.3050100@oracle.com> (raw)
In-Reply-To: <4B9DCF36.3020906@oracle.com>
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
prev parent reply other threads:[~2010-03-15 6:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-12 9:05 [Ocfs2-devel] [PATCH 1/4] ocfs2-1.6: pipe operation pin() changes to confirm() Tiger Yang
2010-03-12 9:07 ` [Ocfs2-devel] [PATCH 2/4] ocfs2-1.6: Add inode_double_lock()/unlock() Tiger Yang
2010-03-12 9:07 ` [Ocfs2-devel] [PATCH 3/4] ocfs2-1.6: Add file_remove_suid() Tiger Yang
2010-03-12 9:07 ` [Ocfs2-devel] [PATCH 4/4] ocfs2-1.6: add splice read/write support Tiger Yang
2010-03-12 9:19 ` Tao Ma
2010-03-15 6:09 ` Tiger Yang
2010-03-15 6:32 ` Tao Ma [this message]
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