svn commit: r295998 - head/share/man/man9

Konstantin Belousov kib at FreeBSD.org
Wed Feb 24 20:04:43 UTC 2016


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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