Messages in this thread | | | Date | Tue, 21 Mar 2000 16:36:10 +0100 | From | Jamie Lokier <> | Subject | Re: fcntl(2) and other file systems like XFS |
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Eric W. Biederman wrote: > > And you will notice there are plenty of collisions already, including > > quite plausible ones with the ext2 ioctls.. > > Just my 2 cents. > It was mentioned earlier one of the disadvantages of ioctl was that for > special files, that have their own ioctls we can't have use bot sets. > > I just too a quick look, and it looks like ioctl can accomplish both > just with a little care. In particular you install some kind of > wrapper for the inode operations after calling init_special_inode...
I din't think that's a good idea.
What happens when you have /dev on an XFS filesystem, you open a device and call a device-specific ioctl()... but it collides with an XFS ioctl number.
Something will go wrong, won't it?
-- Jamie
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