On Tue, 15 Nov 2005, Jamie Lokier wrote: > Linus Torvalds wrote: > > And if it _is_ properly named (ie it really does mean "this entry > > positively does not exist") then it shouldn't have the same > > representation as NULL, because NULL really is traditionally used > > for "unknown" rather than "known to not exist". > > You mean like: > > > a negative dentry (dentry->d_inode = NULL) is another. > > ? :) The _dentry_ is negative, and it is not NULL. It has an explicit flag saying that it's negative. We do not have negative inode caches. Linus
