Re: [RFC][PATCH 10/13] make dump_emit() use vfs_write() instead ofbanging at ->f_op->write directly

[Al Viro]

On Wed, Oct 09, 2013 at 02:18:33AM +0100, Al Viro wrote:

> Point, but I would argue that we should yell very loud if we get 0 from
> vfs_write() for non-zero size.  I'm not sure if POSIX allows write(2)
> to return that, but a lot of userland code won't be expecting that and
> won't be able to cope...

PS: I agree that we should abort that loop if we get nr == 0, of course,
but I believe that we should report the pathname of the offending file,
at the very least.
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