svn commit: r296559 - stable/10/share/man/man9
Konstantin Belousov
kib at FreeBSD.org
Wed Mar 9 10:09:53 UTC 2016
Author: kib
Date: Wed Mar 9 10:09:51 2016
New Revision: 296559
URL: https://svnweb.freebsd.org/changeset/base/296559
Log:
MFC r295998:
Remove references to Giant in the description of vrele(9). Add notes
about vnode lock and sleeping.
MFC r296001:
Fix year.
Modified:
stable/10/share/man/man9/vrele.9
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/share/man/man9/vrele.9
==============================================================================
--- stable/10/share/man/man9/vrele.9 Wed Mar 9 10:01:28 2016 (r296558)
+++ stable/10/share/man/man9/vrele.9 Wed Mar 9 10:09:51 2016 (r296559)
@@ -29,7 +29,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd November 20, 2010
+.Dd February 24, 2016
.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
More information about the svn-src-stable
mailing list