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VOP_INACTIVE(9): clarify wording

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Reviewed by:	kib, 0mp
MFC after: 	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D19596
This commit is contained in:
asomers 2019-03-15 21:11:47 +00:00
parent 892774d4dc
commit 17edbdf9f7
1 changed files with 7 additions and 4 deletions
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11
share/man/man9/VOP_INACTIVE.9
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@ -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.