From owner-svn-src-all@freebsd.org Wed Feb 24 20:04:42 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DFDDFAA6829; Wed, 24 Feb 2016 20:04:42 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id AA7FC991; Wed, 24 Feb 2016 20:04:42 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u1OK4fWv039824; Wed, 24 Feb 2016 20:04:41 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u1OK4fxW039823; Wed, 24 Feb 2016 20:04:41 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201602242004.u1OK4fxW039823@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Wed, 24 Feb 2016 20:04:41 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r295998 - head/share/man/man9 X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Feb 2016 20:04:43 -0000 Author: kib Date: Wed Feb 24 20:04:41 2016 New Revision: 295998 URL: https://svnweb.freebsd.org/changeset/base/295998 Log: Remove references to Giant in the description of vrele(9). Add notes about vnode lock and sleeping. Reported by: julian Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Modified: head/share/man/man9/vrele.9 Modified: head/share/man/man9/vrele.9 ============================================================================== --- head/share/man/man9/vrele.9 Wed Feb 24 20:02:58 2016 (r295997) +++ head/share/man/man9/vrele.9 Wed Feb 24 20:04:41 2016 (r295998) @@ -29,7 +29,7 @@ .\" .\" $FreeBSD$ .\" -.Dd November 20, 2010 +.Dd February 24, 2015 .Dt VRELE 9 .Os .Sh NAME @@ -81,9 +81,11 @@ If the .Va v_usecount field of the non-doomed vnode reaches zero, then it will be inactivated and placed on the free list. -Since the functions might need to call VOPs for the vnode, the -.Va Giant -mutex should be conditionally locked around the call. +.Pp +The +.Fn vrele +function may lock the vnode. +All three functions may sleep. .Pp The hold count for the vnode is always greater or equal to the usecount. Non-forced unmount fails when mount point owns a vnode that has non-zero