Paul Eggert <egg...@cs.ucla.edu> wrote:
> POSIX does not require that st_nblocks remain constant across any system
> call. It doesn't even require that it remain constant if you merely call
> stat twice on the same file, without doing anything else in between. So
> I agree with you that it's irrelevant whether fsync or sync is called in
> the interim. Where we disagree is that I don't think st_nblocks must
> remain constant when a file is not modified. No such requirement is in
> POSIX.
POSIX dos not document that the value of st_nblocks may vary while the content
and the size of the file remains constant.
If POSIX would allow such unexpected behavior, this would have been documented.
Jörg
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