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Date:      Thu, 29 Mar 2012 01:55:49 +0400 (MSK)
From:      Dmitry Morozovsky <marck@rinet.ru>
To:        Kirk McKusick <mckusick@freebsd.org>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r233629 - head/sys/ufs/ffs
Message-ID:  <alpine.BSF.2.00.1203290154390.39459@woozle.rinet.ru>
In-Reply-To: <201203282121.q2SLLJIu054695@svn.freebsd.org>
References:  <201203282121.q2SLLJIu054695@svn.freebsd.org>

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Dear Kirk,

On Wed, 28 Mar 2012, Kirk McKusick wrote:

> Author: mckusick
> Date: Wed Mar 28 21:21:19 2012
> New Revision: 233629
> URL: http://svn.freebsd.org/changeset/base/233629
> 
> Log:
>   A refinement of change 232351 to avoid a race with a forcible unmount.
>   While we have a snapshot vnode unlocked to avoid a deadlock with another
>   inode in the same inode block being updated, the filesystem containing
>   it may be forcibly unmounted. When that happens the snapshot vnode is
>   revoked. We need to check for that condition and fail appropriately.

Thank you and Kostik very much!

How far we are from enabling snapshot of SU+J UFS back?

[snip]

-- 
Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck@FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
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