1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 1996 Doug Rabson 4.\" 5.\" All rights reserved. 6.\" 7.\" This program is free software. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 19.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 22.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" 29.\" $FreeBSD$ 30.\" 31.Dd May 29, 2021 32.Dt VFS_QUOTACTL 9 33.Os 34.Sh NAME 35.Nm VFS_QUOTACTL 36.Nd manipulate file system quotas 37.Sh SYNOPSIS 38.In sys/param.h 39.In sys/mount.h 40.In sys/vnode.h 41.Ft int 42.Fn VFS_QUOTACTL "struct mount *mp" "int cmds" "uid_t uid" "void *arg" "bool *mp_busy" 43.Sh DESCRIPTION 44Implement file system quotas. 45.Pp 46The 47.Fa mp_busy 48argument is an input/output parameter. 49.Fn VFS_QUOTACTL 50must be called with 51.Fa mp 52marked busy through 53.Xr vfs_busy 9 54and 55.Fa *mp_busy 56set to true. 57The filesystem implementation of 58.Fn VFS_QUOTACTL 59may then unbusy 60.Fa mp 61using 62.Xr vfs_unbusy 9 63prior to performing quota file I/O. 64In this case the implementation must set 65.Fa *mp_busy 66to false to indicate that the caller must not unbusy 67.Fa mp 68upon completion of 69.Fn VFS_QUOTACTL . 70.Pp 71See 72.Xr quotactl 2 73for a description of the remaining arguments. 74.Sh SEE ALSO 75.Xr quotactl 2 , 76.Xr vnode 9 77.Sh AUTHORS 78This manual page was written by 79.An Doug Rabson . 80