Eric Sandeen wrote:
Richard W.M. Jones wrote:
> On Wed, Sep 03, 2008 at 11:19:04AM -0500, Eric Sandeen wrote:
>> I'd appreciate any and all testing, benchmarking & feedback that people
>> would be willing to do. Just getting more exposure in real-life
>> scenarios would be great.
>>
>> As with any filesystem, I wouldn't put your only copy of your most
>> precious data on it - use good sense about backups etc - but ext4 has
>> made good progress since F9 on both stability and performance, so have
>> at it!
> Persistent pre-allocation[1] is something that virt-manager could
> really use when it has to allocate multi-gigabyte images. A few
> questions about this feature though:
>
> (a) Is it exposed as a syscall anywhere? I don't see it in the header
> files of my Rawhide system (2.6.27).
Hm, I probably need to get the fallocate.h header file included if it's
not so that sys_fallocate can be used directly,
Ah, it should be there:
[root@inode ~]# rpm -ql kernel-headers | grep falloc
/usr/include/linux/falloc.h
-Eric