Date: Wed, 20 May 2009 22:32:25 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r192494 - stable/7/sys/kern Message-ID: <200905202232.n4KMWPJU046415@svn.freebsd.org>
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Author: kmacy Date: Wed May 20 22:32:25 2009 New Revision: 192494 URL: http://svn.freebsd.org/changeset/base/192494 Log: MFC minimal zfs lock ordering for WITNESS (dnode -> dirty record -> dbuf) Modified: stable/7/sys/kern/subr_witness.c Modified: stable/7/sys/kern/subr_witness.c ============================================================================== --- stable/7/sys/kern/subr_witness.c Wed May 20 22:30:57 2009 (r192493) +++ stable/7/sys/kern/subr_witness.c Wed May 20 22:32:25 2009 (r192494) @@ -397,6 +397,13 @@ static struct witness_order_list_entry o { "vnode interlock", &lock_class_mtx_sleep }, { NULL, NULL }, /* + * ZFS locking + */ + { "dn->dn_mtx", &lock_class_sx }, + { "dr->dt.di.dr_mtx", &lock_class_sx }, + { "db->db_mtx", &lock_class_sx }, + { NULL, NULL }, + /* * spin locks */ #ifdef SMP
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