Re: 2.5 'what to expect'

Meelis Roos (mroos@linux.ee)
Sat, 12 Jul 2003 16:10:26 +0300


elvtune is mentioned here...

DJ> - Several different IO elevators are available to match different types
DJ> of workload. You can select which one to use with elvtune.

but deprecated here:

DJ> Deprecated.
DJ> ~~~~~~~~~~~
DJ> - usbdevfs will be going away in 2.7. The same filesystem can
DJ> be mounted as 'usbfs' in recent 2.4 kernels, and in 2.5.52
DJ> and above, which is what the filesystem will furthermore be
DJ> known as.
DJ> - elvtune is deprecated (as are the ioctl's it used).
DJ> Instead, the io scheduler tunables are exported in sysfs (see below)
DJ> in the /sys/block/<device>/iosched directory.
DJ> Jens wrote a document explaining the tunables of the new scheduler at
DJ> http://www.lib.uaa.alaska.edu/linux-kernel/archive/2002-Week-44/att-deadline-iosched.txt

Maybe just suggest the sysfs interface at once and not mention elvtune?

-- 
Meelis Roos (mroos@linux.ee)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/