On Fri, Dec 29, 2006 at 12:58:12AM -0800, Linus Torvalds wrote:
> Because what "__set_page_dirty_buffers()" does is that AT THE TIME THE
> "set_page_dirty()" IS CALLED, it will mark all the buffers on that page as
> dirty. That may _sound_ like what we want, but it really isn't. Because by
> the time "writepage()" is actually called (which can be MUCH MUCH later),
> some internal filesystem activity may actually have cleaned one or more of
> those buffers in the meantime, and now we call "writepage()" (which really
> wants to write them _all_), and it will write only part of them, or none
> at all.
I'm confused. Does this mean that if "fs blocksize"=="VM pagesize"
this bug can't trigger? But I thought at least one of people
reporting corruption was using a filesystem with a 4k block size on an
i386?
- Ted
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