Eric W. Biederman wrote:
Nick Piggin <[EMAIL PROTECTED]> writes:
However we
could still set_page_dirty of a block device page without buffers
via an mmap.
After the page is made dirty via mmap we have:
sys_write -> ... -> block_prepare_write -> ... -> create_empty_buffers.
Yep, that's what I mean.
I suspect that is a pretty rare case but it does indeed seem to exist
as a problem.
I think so too. But either we have some misunderstanding of the
codepaths involved, or the author of the comments there didn't
consider this case, so...
--
SUSE Labs, Novell Inc.
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