Date: Thu, 5 Feb 2009 08:46:18 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/kern vfs_syscalls.c Message-ID: <200902050846.n158kVje097532@repoman.freebsd.org>
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trasz 2009-02-05 08:46:18 UTC
FreeBSD src repository
Modified files:
sys/kern vfs_syscalls.c
Log:
SVN rev 188141 on 2009-02-05 08:46:18Z by trasz
In some situations, mnt_lockref could go negative due to vfs_unbusy() being
called without calling vfs_busy() first. This made umount(8) hang waiting
for mnt_lockref to become zero, which would never happen.
Reviewed by: kib
Approved by: rwatson (mentor)
Reported by: pho
Found with: stress2
Sponsored by: FreeBSD Foundation
Revision Changes Path
1.470 +5 -3 src/sys/kern/vfs_syscalls.c
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