freebsd-dev/share/man/man9/VFS_SYNC.9
1997-03-04 10:02:44 +00:00

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.\" Copyright (c) 1996 Doug Rabson
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.\" $Id: VFS_SYNC.9,v 1.1 1997/03/03 17:59:57 dfr Exp $
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.Dd July 24, 1996
.Os
.Dt VFS_SYNC 9
.Sh NAME
.Nm VFS_SYNC
.Nd flush unwritten data
.Sh SYNOPSIS
.Fd #include <sys/mount.h>
.Fd #include <sys/vnode.h>
.Ft int
.Fn VFS_SYNC "struct mount *mp" "int waitfor" "struct ucred *cred" "struct proc *p"
.Sh DESCRIPTION
This writes out all unwritten data in a filesystem.
.Pp
Its arguments are:
.Bl -tag -width waitfor
.It Ar mp
The filesystem.
.It Ar waitfor
Whether the function should wait for I/O to complete.
.It Ar cred
The caller's credentials.
.It Ar p
The calling process.
.El
.Pp
This would normally call
.Xr VOP_FSYNC 9
for all the vnodes in the filesystem.
.Sh SEE ALSO
.Xr vnode 9 ,
.Xr VFS 9 ,
.Xr VOP_FSYNC 9 ,
.Xr sync 2 ,
.Xr fsync 2
.Sh AUTHORS
This man page was written by Doug Rabson.