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Eric W. Biederman wrote: > Nick Piggin <nickpiggin@yahoo.com.au> 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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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