Date: Wed, 24 Feb 2016 20:04:41 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r295998 - head/share/man/man9 Message-ID: <201602242004.u1OK4fxW039823@repo.freebsd.org>
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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
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