Messages in this thread | | | Date | Fri, 10 Dec 2010 18:54:47 +0100 (CET) | From | Lukas Czerner <> | Subject | Re: [RFC PATCH 0/2 v1] Ioctl for reading block queue information |
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On Fri, 10 Dec 2010, Kay Sievers wrote:
> On Fri, Dec 10, 2010 at 15:07, Lukas Czerner <lczerner@redhat.com> wrote: > > On Thu, 9 Dec 2010, Andreas Dilger wrote: > > > >> On 2010-12-09, at 12:20, Greg KH wrote: > >> > On Thu, Dec 09, 2010 at 04:25:35PM +0100, Lukas Czerner wrote: > >> >> For a long time it has been pretty painful to retrieve informations from > >> >> /sys/block/*/queue for particular block device. Not only it is painful > >> >> to retrieve informations within C tool, parsing strings, etc, but one > >> >> have to run into problem even finding the proper path in sysfs. > >> > > >> > What's wrong with using libudev? That should give you all of this > >> > information easily using a .c program without any need to change the > >> > kernel at all. > > > > What's wrong with using libudev ? Well, fist of all I have never heard > > about it:), one can argue this is kind of my fault, and second of all > > the documentation is kind of non-existent (almost). > > What else do you need? > http://www.kernel.org/pub/linux/utils/kernel/hotplug/libudev/ > > Let me know, we can add it. > > Thanks, > Kay >
Well, this is not really documentation right, but rather reference manual. But I found this
http://www.signal11.us/oss/udev/
as a good way to start with.
Thanks!
-Lukas | |