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PR/40389 CVS commit: [netbsd-5] src/sys/ufs/ufs
The following reply was made to PR kern/40389; it has been noted by GNATS.
From: Soren Jacobsen <snj%netbsd.org@localhost>
Subject: PR/40389 CVS commit: [netbsd-5] src/sys/ufs/ufs
Date: Sun, 8 Feb 2009 19:08:23 +0000 (UTC)
Module Name: src
Committed By: snj
Date: Sun Feb 8 19:08:23 UTC 2009
src/sys/ufs/ufs [netbsd-5]: ufs_inode.c
Pull up following revision(s) (requested by pooka in ticket #413):
sys/ufs/ufs/ufs_inode.c: revision 1.77
Break hold-and-wait which happens in ufs_balloc_range() when we
have pages busied and are trying to get the genfs node lock.
This causes a lock order reversal described in PR kern/40389.
This is not a proper fix and only a workaround for NetBSD 5.0.
problem first reported by simonb, patch tested by rmind
To generate a diff of this commit:
cvs rdiff -r1.76 -r18.104.22.168 src/sys/ufs/ufs/ufs_inode.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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