Date: Thu, 21 Feb 2002 11:15:10 -0800 (PST) From: Matt Dillon <dillon@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/kern kern_shutdown.c Message-ID: <200202211915.g1LJFAi09419@freefall.freebsd.org>
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dillon 2002/02/21 11:15:10 PST
Modified files: (Branch: RELENG_4)
sys/kern kern_shutdown.c
Log:
If a system shutdown is performed immediately after doing softupdates-heavy
filesystem operations the shutdown code may stall on buffers being held
locked by softupdates, resulting an unclean shutdown. These buffers are
never unlocked because the syncer has already been killed. The solution is
to call bioops.io_sync() in the shutdown code.
From Kirk: "The buffers that are being held locked contain the indirect
block pointers for files that are to be removed. The request to remove
them is sitting on the soft updates worklist. They are not being processed
because the syncer daemon has been stopped."
MFC after: 3 days
Revision Changes Path
1.72.2.12 +4 -2 src/sys/kern/kern_shutdown.c
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