Re: [PATCH 2/2] vfs: Get rid of duplicate file_ops check indo_readv_writev()

[Al Viro]

On Sun, Sep 29, 2013 at 06:37:50PM +0900, Namhyung Kim wrote:
> The file->f_op check in do_readv_writev() is redundant since all of
> its caller (vfs_readv and vfs_writev) already did the check.  The
> same goes to compat_do_readv_writev().

... and the right fix is to kill all those checks completely.  I have that
done in local queue; will push to #for-next tonight.  file->f_op should
never be NULL, period.
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