[8678] in linux-scsi channel archive
Re: reading blocks > 32K with generic device
daemon@ATHENA.MIT.EDU (Marc SCHAEFER)
Wed Apr 19 02:53:13 2000
To: linux-scsi@vger.rutgers.edu
From: Marc SCHAEFER <schaefer@alphanet.ch>
Date: 19 Apr 2000 08:51:20 +0200
Message-ID: <8djl18$avj$1@vulcan.alphanet.ch>
Kai Makisara <makisara@metla.fi> wrote:
> break binaries if the changes are done properly: The current MTIOCGET
> ioctl is renamed to OLDMTIOCGET (or something else) and a new ioctl
> MTIOCGET is defined (with a new ioctl number). Code is added to all tape
> drivers to translate the OLDMTIOCGET operation codes to new MTIOCGET codes
Yes, this is how things have been done with flock(): after some time
people got warnings in dmesg (for the first few flock()s), and after a long
time the old behaviour is dropped. Or even is a compilation option
(e.g. backwards compatible /proc/pci).
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