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Re: [PATCH 1/2] Make pack creation always fsync() the result

From
Linus Torvalds <torvalds@linux-foundation.org>
Date
Jun 2, 2008, 22:23 UTC
Message-ID
<alpine.LFD.1.10.0806021522120.3473@woody.linux-foundation.org>
In-Reply-To
<20080531141927.GC32168@redhat.com>
On Sat, 31 May 2008, Frank Ch. Eigler wrote:
> 
> If you stabilize the outputs of the pack procedure rather than its
> inputs, this makes me wonder if ordinary unpacked git objects would
> also need some sort of fsync treatment.

No, see the earlier discussion about the difference between "old" and "new" objects.

Pack-files can contain old objects that were _previously_ stable, so we need to make sure that they are at least as stable as the objects they replace. In contrast, new loose objects never replace old data, so they can always be re-created by just re-doing the git operation.

		Linus
Previous: Frank Ch. Eigler
Message 15 of 15 in “reducing prune sync()s”
  1. Frank Ch. EiglerMay 29, 2008
  2. Linus TorvaldsMay 30, 2008
  3. Linus TorvaldsMay 30, 2008
  4. Frank Ch. EiglerMay 30, 2008
  5. Florian WeimerMay 30, 2008
  6. David DillowMay 30, 2008
  7. Linus TorvaldsMay 30, 2008
  8. Linus TorvaldsMay 30, 2008
  9. Frank Ch. EiglerMay 30, 2008
  10. Linus TorvaldsMay 30, 2008
  11. 1/2 Make pack creation always fsync() the resultLinus Torvalds, May 30, 2008
  12. 2/2 Remove now unnecessary 'sync()' callsLinus Torvalds, May 30, 2008
  13. Nicolas PitreMay 30, 2008
  14. Frank Ch. EiglerMay 31, 2008
  15. Linus TorvaldsJun 2, 2008

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