Date: Mon, 3 Nov 2008 14:11:06 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/kern vfs_subr.c Message-ID: <200811031411.mA3EBWNr080983@repoman.freebsd.org>
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kib 2008-11-03 14:11:06 UTC FreeBSD src repository Modified files: (Branch: RELENG_7) sys/kern vfs_subr.c Log: SVN rev 184591 on 2008-11-03 14:11:06Z by kib In vfs_busy(), lockmgr() cannot legitimately sleep, because code checked MNTK_UNMOUNT before, and mnt_mtx is used as interlock. vfs_busy() always tries to obtain a shared lock on mnt_lock, the other user is unmount who tries to drain it, setting MNTK_UNMOUNT before. Approved by: re (kensmith) Revision Changes Path 1.707.2.8 +1 -1 src/sys/kern/vfs_subr.c
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