It gets worse when you throw in journaled file systems. The problem linux
faces is there are many filesystems you can pick, so the kernel/system needs
to be a bit wishy-washy and leave some implementation details up to other
codes. I think if your using ext3 (in data=journal and data=ordered
Stuff below relates to IDE drives.
On Linux, the fsync() call doesn't actually force that the data reaches the
physical disk platters. It just makes sure that the data is sent to the
cache on the disk.
On Windows, FlushFileBuffers() forces the disk to actually write the data to
the physical
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