On Wed, Mar 07, 2007 at 08:16:14AM +0100, Eric Dumazet wrote:
No way on either one. f_path.dentry always beeing there is an assumption
we make all over the place, and changing that would be a big regression
for code qualityand reliability all over the place.
Face it folks, memory is generally cheap, and we're not going to uglify
huge amounts of code to shave of a little bit.
[and that is only in reply to this one, the single dentry optimizations
for epoll and friends are perfecltly fine from the high level view]
Same thing as above. We might do a hack to not refcount these vfsmounts,
but we definitively want to keep the invariant of f_path.mnt never