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Re: [Libguestfs] [PATCH v3 0/4] file: Zero for block devices and older file systems



FYI I added a few enhancements to allow easier tracing inside the file
plugin:

https://github.com/libguestfs/nbdkit/commit/10d4dcfb30cb0ba626a2ec503c7c96f72c6ca88e
https://github.com/libguestfs/nbdkit/commit/96a41cd798ec0dce07d97c2a4a04ee6284e1552f

I learned from this that the file_zero function does successfully use
fallocate to zero ranges, at least on my very recent Linux system.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-p2v converts physical machines to virtual machines.  Boot with a
live CD or over the network (PXE) and turn machines into KVM guests.
http://libguestfs.org/virt-v2v


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