[PATCH 0/3] xfs_io: new functions

[Mark Tinguely]

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.
>>
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>>
>
> 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.

--Mark.