[stgt] [PATCH 1/1] tgtimg: use posic_fallocate when creating the big files
fujita.tomonori at lab.ntt.co.jp
Tue Oct 12 08:56:15 CEST 2010
On Tue, 12 Oct 2010 16:30:57 +1100
ronnie sahlberg <ronniesahlberg at gmail.com> wrote:
> Please find attached a trivial patch for tgtimg.
> It changes to use posix_fallocate() when creating raw disk images
> instead of using a loop with pwrite().
> This makes it less intrusive to the system when creating many large
> disk images at the same time.
> I did try using posix_fadvise() as an alternative but that did not
> work well. (it did not have much effect on the vm trashing)
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