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From: Mark Linimon <linimon@lonesome.com>
Subject: Re: kern/181375: [softupdates] disk free space blackhole magic
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The following reply was made to PR kern/181375; it has been noted by GNATS.

From: Mark Linimon <linimon@lonesome.com>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/181375: [softupdates] disk free space blackhole magic
Date: Sun, 18 Aug 2013 21:55:48 -0500

 ----- Forwarded message from Don Lewis <truckman@FreeBSD.org> -----
 
 Date: Sun, 18 Aug 2013 18:27:41 -0700 (PDT)
 From: Don Lewis <truckman@FreeBSD.org>
 To: linimon@FreeBSD.org
 cc: freebsd-bugs@FreeBSD.org, freebsd-fs@FreeBSD.org
 Subject: Re: kern/181375: [softupdates] disk free space blackhole magic
 
 Sounds a lot like the bug that was fixed in head by this commit:
 
 <http://svnweb.freebsd.org/base?view=revision&sortby=date&revision=253998>
 
 Log Message: 	
 
 This bug fix is in a code path in rename taken when there is a
 collision between a rename and an open system call for the same
 target file. Here, rename releases its vnode references, waits for
 the open to finish, and then restarts by reacquiring its needed
 vnode locks. In this case, rename was unlocking but failing to
 release its reference to one of its held vnodes. The effect was
 that even after all the actual references to the vnode had gone,
 the vnode still showed active references. For files that had been
 removed, their space was not reclaimed until the filesystem was
 forcibly unmounted.
 
 
 ----- End forwarded message -----