filesystem suspension.

[Poul-Henning Kamp]

In message <20050314024439.G20708 at mail.chesapeake.net>, Jeff Roberson writes:

>Comments?  Other proposals?  I'd like to get this sorted out for 6.0.  I
>may come up with some interim solution for RELENG_5 because the vrele
>problem has caused deadlocks there.

I agree that the vn_start_write() thing is not a Good Thing and it would
certainly be desirable to get the entire snapshot thing into UFS/FFS
where it belongs.

Without digging through the entire issue, I would tend to lean towards
the "catch them in the vop_*() which write" model on general principles.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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