Andrew Morton wrote:
On Fri, 11 Apr 2008 16:25:32 -0700 "Dan Williams" <dan.j.williams@xxxxxxxxx> wrote:
It doesn't really seem to be to belong under class at all. I would suggest
/sys/dev/char/ and /sys/dev/block/, for char and block respectively.
This thread fizzled out without a patch... here goes:
...
sysfs: add /sys/dev/{char,block} to lookup sysfs path by major:minor
Crickets are chirping and I can't remember what the conclusion to all this
was. In fact the thread was more than ten-deep so I probably fell asleep.
..
Last I recall, Greg was vehemently opposed to having direct path access
by device number in sysfs, but many other people saw benefit.
Myself (the originator), I simply decided that my sysfs access code has
to work with older kernels too, so for now I'm just doing a brute force
tree search to find things in sysfs. I did get the code size down smaller
for it, but it's still a pain.
When the direct access feature goes in, I'll just change my code to try it first,
and then still fall back to the tree search method on failure.
I queued it up so that others cannot do the same ;)
..
Good!
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