Date: Fri, 12 Aug 2016 22:20:52 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r304023 - head/sys/kern Message-ID: <201608122220.u7CMKq4n048066@repo.freebsd.org>
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Author: trasz Date: Fri Aug 12 22:20:52 2016 New Revision: 304023 URL: https://svnweb.freebsd.org/changeset/base/304023 Log: Print vnode details when vnode locking assertion gets triggered. MFC after: 1 month Modified: head/sys/kern/vfs_subr.c Modified: head/sys/kern/vfs_subr.c ============================================================================== --- head/sys/kern/vfs_subr.c Fri Aug 12 22:00:13 2016 (r304022) +++ head/sys/kern/vfs_subr.c Fri Aug 12 22:20:52 2016 (r304023) @@ -4402,6 +4402,10 @@ int vfs_badlock_print = 1; /* Print lock SYSCTL_INT(_debug, OID_AUTO, vfs_badlock_print, CTLFLAG_RW, &vfs_badlock_print, 0, "Print lock violations"); +int vfs_badlock_vnode = 1; /* Print vnode details on lock violations. */ +SYSCTL_INT(_debug, OID_AUTO, vfs_badlock_vnode, CTLFLAG_RW, &vfs_badlock_vnode, + 0, "Print vnode details on lock violations"); + #ifdef KDB int vfs_badlock_backtrace = 1; /* Print backtrace at lock violations. */ SYSCTL_INT(_debug, OID_AUTO, vfs_badlock_backtrace, CTLFLAG_RW, @@ -4416,6 +4420,8 @@ vfs_badlock(const char *msg, const char if (vfs_badlock_backtrace) kdb_backtrace(); #endif + if (vfs_badlock_vnode) + vn_printf(vp, "vnode "); if (vfs_badlock_print) printf("%s: %p %s\n", str, (void *)vp, msg); if (vfs_badlock_ddb)
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