Date: Fri, 15 Mar 2019 21:11:47 +0000 (UTC) From: Alan Somers <asomers@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r345202 - head/share/man/man9 Message-ID: <201903152111.x2FLBl1w075463@repo.freebsd.org>
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Author: asomers Date: Fri Mar 15 21:11:47 2019 New Revision: 345202 URL: https://svnweb.freebsd.org/changeset/base/345202 Log: VOP_INACTIVE(9): clarify wording Reviewed by: kib, 0mp MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D19596 Modified: head/share/man/man9/VOP_INACTIVE.9 Modified: head/share/man/man9/VOP_INACTIVE.9 ============================================================================== --- head/share/man/man9/VOP_INACTIVE.9 Fri Mar 15 20:16:35 2019 (r345201) +++ head/share/man/man9/VOP_INACTIVE.9 Fri Mar 15 21:11:47 2019 (r345202) @@ -28,7 +28,7 @@ .\" .\" $FreeBSD$ .\" -.Dd July 27, 2014 +.Dd March 15, 2019 .Dt VOP_INACTIVE 9 .Os .Sh NAME @@ -50,13 +50,16 @@ The vnode being reclaimed. .El .Pp .Fn VOP_INACTIVE -is called when the kernel is no longer using the vnode. +is usually called when the kernel is no longer using the vnode. +However, there is no guarantee that it will be called at all, for example if +the last reference was dropped while the vnode lock could not be upgraded +to exclusive without sleeping. This may be because the reference count reaches zero or it may be that the file system is being forcibly unmounted while there are open files. -It can be used to reclaim space for +It can be used to reclaim space on the last close of an .Sq open but deleted -files. +file. .Pp .Fn VOP_RECLAIM is called when a vnode is being reused for a different file system.
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