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Forced unmount

Forced unmount

Posted Aug 4, 2006 4:11 UTC (Fri) by efexis (guest, #26355)
In reply to: Forced unmount by rvfh
Parent article: revoke() and frevoke()

You don't always want to kill the process; many processes could handle a file being closed without having to terminate, and would want to if it was multithreaded, with one thread using that file (eg, disconnecting a file from a browser, you wouldn't want to lose all browser windows).

It could also be the kernel that has the file open (eg, mounted into the filesystem using loopback block device); killing the kernel to release the file isn't desirable =)

I think if you're detaching files, a signal should be sent to processes at the same time, so they know the file is closed before they try and fail a read/write.


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