[PATCH 0/3] xfs_io: new functions
Mark Tinguely
tinguely at sgi.com
Tue Oct 9 16:53:49 CDT 2012
On 10/09/12 15:51, Eric Sandeen wrote:
> On 10/9/12 3:47 PM, Mark Tinguely wrote:
>> On 10/09/12 14:07, Eric Sandeen wrote:
>>> On 9/24/12 4:51 PM, Mark Tinguely wrote:
>>>> On 07/25/12 17:30, Dave Chinner wrote:
>>>>> This is just a couple of additional functions for xfs_io I have had
>>>>> sitting around for a while. The first is an interface to
>>>>> sync_file_range() for better control of file writeback. The second
>>>>> and third introduce vectored pread/pwrite so that I could simulate
>>>>> the same style of vectored IO that KVM does via direct IO (hint -
>>>>> tracing indicated that the generic direct IO code doesn't handle
>>>>> this particularly efficiently).
>>>>>
>>>>> _____________________________________________
>>>>
>>>> This series has been committed to
>>>> git://oss.sgi.com/xfs/cmds/xfsprogs.git
>>>>
>>>> -Mark.
>>>>
>>>> _______________________________________________
>>>> xfs mailing list
>>>> xfs at oss.sgi.com
>>>> http://oss.sgi.com/mailman/listinfo/xfs
>>>>
>>>
>>> Looks like this might need some config-fu:
>>>
>>> pread.o: In function `do_pread':
>>> /src/git/xfsprogs/io/pread.c:198: undefined reference to `preadv'
>>> /src/git/xfsprogs/io/pread.c:198: undefined reference to `preadv'
>>> pwrite.o: In function `do_pwrite':
>>> /src/git/xfsprogs/io/pwrite.c:85: undefined reference to `pwritev'
>>> /src/git/xfsprogs/io/pwrite.c:85: undefined reference to `pwritev'
>>> sync_file_range.o: In function `sync_range_f':
>>> /src/git/xfsprogs/io/sync_file_range.c:87: undefined reference to `sync_file_range'
>>>
>>>
>>> (on a Centos5 box)
>>
>>
>> Thanks Eric, I will take a look at it.
>
> I actually started (sorry, should have just done it before sending the mail)
>
> I'll take care of it, I'm halfway there.
>
> -Eric
>
>> --Mark.
>>
>
Excellent. That is easy!
--Mark.
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