svn commit: r184556 - head/share/man/man9
Attilio Rao
attilio at FreeBSD.org
Sun Nov 2 02:33:58 PST 2008
Author: attilio
Date: Sun Nov 2 10:33:57 2008
New Revision: 184556
URL: http://svn.freebsd.org/changeset/base/184556
Log:
Reflect changes for the vfs_busy() prototype.
Modified:
head/share/man/man9/vfs_busy.9
Modified: head/share/man/man9/vfs_busy.9
==============================================================================
--- head/share/man/man9/vfs_busy.9 Sun Nov 2 10:20:18 2008 (r184555)
+++ head/share/man/man9/vfs_busy.9 Sun Nov 2 10:33:57 2008 (r184556)
@@ -26,7 +26,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd August 29, 2008
+.Dd November 2, 2008
.Dt VFS_BUSY 9
.Os
.Sh NAME
@@ -36,7 +36,7 @@
.In sys/param.h
.In sys/mount.h
.Ft int
-.Fn vfs_busy "struct mount *mp" "int flags" "struct mtx *interlkp"
+.Fn vfs_busy "struct mount *mp" "int flags"
.Sh DESCRIPTION
The
.Fn vfs_busy
@@ -56,33 +56,22 @@ flag is
set.
.Pp
Its arguments are:
-.Bl -tag -width ".Fa interlkp"
+.Bl -tag -width ".Fa flags"
.It Fa mp
The mount point to busy.
.It Fa flags
Flags controlling how
.Fn vfs_busy
should act.
-.Bl -tag -width ".Dv LK_NOWAIT"
-.It Dv LK_NOWAIT
+.Bl -tag -width ".Dv MBF_MNTLSTLOCK"
+.It Dv MBF_NOWAIT
do not sleep if
.Dv MNTK_UNMOUNT
is set.
+.It Dv MBF_MNTLSTLOCK
+drop the mountlist_mtx in the critical path.
.El
-.It Fa interlkp
-The interlock mutex for
-.Fa mp->mount_lock .
-If there is any chance
-the mount point is being unmounted and
-.Dv LK_NOWAIT
-is not set then
-interlock must be valid locked mutex.
.El
-.Sh LOCKS
-If
-.Fa interlkp
-is a valid pointer it must be locked on entry,
-and it will not be unlocked even in the case of an error.
.Sh RETURN VALUES
A 0 value is returned on success.
If the mount point is being
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