On Wed, Sep 18, 2013 at 10:56:38AM +1000, Stephen Rothwell wrote:
> Hi Al,
>
> Today's linux-next merge of the vfs tree got conflicts in fs/nfs/direct.c
> and fs/nfs/file.c between commits b9517433d65d ("dio: Convert direct_IO
> to use iov_iter"), a8431c667ae8 ("nfs: add support for read_iter,
> write_iter") and a1b8ec384b73 ("nfs: simplify swap") from the aio-direct
> tree and commit c18d1ec44f7a ("nfs: use %p[dD] instead of open-coded (and
> often racy) equivalents") from the vfs tree.
>
> I fixed it up (see below) and can carry the fix as necessary (no action
> is required).
Hrm... FWIW, I would greatly prefer to offload these printk patches to
NFS and NFSD trees. Didn't get around to that yet, but...
As for aio-direct... Two questions:
* had anybody tried to measure the effect on branch predictor from
introducing that method vector? Commit d6afd4c4 ("iov_iter: hide iovec
details behind ops function pointers")
* WTF does aforementioned commit lack its author's s-o-b? The same
goes for a lot of zab's commits in there...
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