DOSFS bug fixes, IDE drivers and sample released

Angelo Fraietta angelo_f at
Fri Apr 18 07:02:01 UTC 2003

Chris Caudle wrote:

>On Thu April 17 2003 2:06 am, Victor V. Vengerov wrote:
>>I agree, it is reasonable to flush buffers when file closed. People may
>>expect that data synchronized when file closed. 
>>Any opinions?
>Since no one else has offered any...
>Requiring explicit synchronization is fairly standard behavior, I see no 
>reason to modify close().  I think some people get caught off guard 
>because Microsoft DOS did not seem to have a filesystem cache, and even 
>today Windows operating systems seem to always flush operations to floppy 
>disks.  Of course if you power down a machine immediately after a write() 
>call you will often see disk corruption, so either part of the Microsoft 
>filesystem layer or the Microsoft applications treat floppy disks 
>differently than non-removeable disks.  Anyone used to working on POSIX 
>style operating systems is of course accustomed to mounting and unmounting 
>disks, so I don't think it will be a surprise.
Is there an unmount? I think I asked about this and was told there was 
not an unmount.

Angelo Fraietta

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Hamilton NSW 2303

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