[$] Blurred boundaries in the storage stack

It has been said that an important part of a maintainer's role is tosay "no". Just how this "no" is said can define the style andeffectiveness of a maintainer. Linus Torvalds recently displayed justhow effective his style can be when saying "no" to a pair of fairlyinnocuous patchesto add a new ioctl() command for block devices - patches intheir fifth revision that had already received "Reviewed-by" tags fromChristoph Hellwig.

Subscribers can click below to see Neil Brown's look at how this all played out.