Messages in this thread | | | Date | Fri, 26 Mar 2010 20:24:04 -0400 | From | Vivek Goyal <> | Subject | Re: [PATCH 0/4] io-controller: Use names rather than major:minor |
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On Fri, Mar 26, 2010 at 08:20:56PM -0400, Vivek Goyal wrote:
[..] > > Which controllers are these? > > > > linux-2.6/Documentation/cgroups/devices.txt > > > > - Displaying both device major/minor and diskname is an option but that > > > makes the file format syntax little complicated and new rule setting > > > or removoal confusing. > > > > A few messages back you mentioned that you preferred device names > > because they would be better for users of the system. If there was a > > simple implementation, would you still be behind a new name-based > > interface? We could go that direction and maintain ABI by deprecating > > current interface and making a new interface with names. > > > > If you can't tell, I'm a big fan of using the name! :) It's *much* > > more consistent with the interfaces in /sys. > > /sys provides facility to access device both through device number > (/sys/dev/block/<major:minor>) and disk name (/sys/block/<diskname>). So > I don't know why do you think it is more consistent with /sys if we > use diskname. > > In general user space seems to be accessing devices using device files. > For example, blockdev utility.
One more example is "blktrace".
Thanks Vivek
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