Re: linux-next: build failure after merge of the akpm-current tree

Linus Torvalds
2013-08-30T15:25:08Z

On Fri, Aug 30, 2013 at 1:12 AM, Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> I don't know if it is safe to read d_lockref.count without locking

That's not the issue. Since commit 84d08fa888e7 ("helper for reading
->d_count") non-core VFS code shouldn't try to access d_count directly
at all. So instead of "dentry->d_count" it should use
"d_count(dentry)". Then the code doesn't need to know about lockrefs
or anything like that at all.

Linus