mount(1) at boot hangs in spa_namespace_lock

[Jens Schweikhardt]

Andriy,

The problem can be reliably reproduced.

# If you can reproduce the problem reliably could you please test a patch
# from this review request https://reviews.freebsd.org/D3281 ?
# (https://reviews.freebsd.org/D3281?download=true)
# If I get a success report then I'll immediately commit the fix.

I can confirm that this patch fixes it! Please commit. Many thanks!

Regards,

	Jens
-- 
Jens Schweikhardt http://www.schweikhardt.net/
SIGSIG -- signature too long (core dumped)