From: Jim Mostek <mostek@sgi.com>
Date: Thu, 16 Mar 2000 12:05:13 -0600 (CST)
What should XFS or any other file system do with these? I guess they
should return EINVAL. What if we accidentally or purposely get called
with this? Applications don't normally check which file system they are
running on. I don't suspect that all file systems should be including
linux/include/linux/ext2_fs.h.
Well, if you don't recognize the ioctl, you should return EINVAL.....
If XFS doesn't support any ioctl's, then it can have a very trivial
ioctl() handler, and you don't hve to worry about any device collisions.
In practice the collision hasn't been a problem, since the 32-bit space
is relatively sparsely occupied.
- Ted
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