Re: [Qemu-devel] [PATCH v2 3/4] raw-posix: Fix try_seek_hole()'s handling of SEEK_DATA failure

[Eric Blake]

On 11/13/2014 08:49 AM, Eric Blake wrote:
> On 11/13/2014 08:44 AM, Max Reitz wrote:
> 
>>> (By the way, I really wish Solaris had implemented a variant that
>>> queried, but did NOT change the file offset - maybe Linux can add that
>>> as an extension, and give it sane semantics of not special casing
>>> trailing holes...)
>>
>> Are you asking for fiemap? :-P
> 
> Not that bulky; maybe just two more constants SEEK_PEEK_HOLE and
> SEEK_PEEK_DATA, which return the same values as their non-peek
> counterparts but without modifying the fd offset.

And not the first time I've requested it.  From 2011:
https://lkml.org/lkml/2011/4/22/91

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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