Re: [PATCH] Fix and add EXPORT_SYMBOL(filemap_write_and_wait)

[OGAWA Hirofumi]

Andrew Morton <akpm@xxxxxxxx> writes:

> If filemap_fdatawrite() returns an error, this might be due to some I/O
> problem: dead disk, unplugged cable, etc.  Given the generally crappy
> quality of the kernel's handling of such exceptions, there's a good chance
> that the filemap_fdatawait() will get stuck in D state forever.
>
> I don't know how useful that really is - probably not very.  Plus, yes, we
> should wait on writeout after a -ENOSPC.
>
> So hum, not sure.  My gut feeling is that anything which we can do to help
> the kernel limp along after an I/O error is a good thing, hence the
> don't-wait-after-EIO feature should remain.

I see, thanks for explaining it. Please don't apply patch, I need to
consider it obviously.
-- 
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/