Messages in this thread | | | Date | Fri, 8 Jan 2010 17:57:27 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: [RFC PATCH 0/2] Fix up the NFS mmap code |
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On Sat, 9 Jan 2010, Al Viro wrote: > > readdir() is certainly a red herring.
That's the one that lockdep reports, though. I still don't see why. Afaik, the only place where NFS gets an inode is nfs_fhget(), and that seems to do things correctly.
> write(), OTOH, is quite real. And there we do i_mutex followed by > pagefaults.
Ho humm..
> Could we please get a sane expalanation of the reasons why nfs mmap > wants i_mutex in the first place? Before we add yet another hook > from hell and complicate already overcomplicated area...
Yeah, agreed.
Linus
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