Bug 3.11.x behavioral, open file buffers not flushed til file closed.

[Greg Ewing]

On 6/03/23 1:02 pm, Cameron Simpson wrote:
> Also, fsync() need not expedite the data getting to disc. It is equally 
> valid that it just blocks your programme _until_ the data have gone to 
> disc.

Or until it *thinks* the data has gone to the disk. Some drives
do buffering of their own, which may impose additional delays
before the data actually gets written.

-- 
Greg