On Thursday 11 January 2007 12:00, Ulrich Windl wrote:
> when returning from the syscall the OS may still be
> writing buffers, but I'm not too sure about that.
even if the OS has flushed his buffers the disk write cache may be still not
empty ...
cfr man 2 sync:
According to the standard specification (e.g., SVID), sync() schedules
the writes, but may return before the actual writing is done. However,
since version 1.3.20 Linux does actually wait. (This still does not
guarantee data integrity: modern disks have large caches.)
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