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.Dd May 29, 2021 30.Dt VFS_QUOTACTL 9 31.Os 32.Sh NAME 33.Nm VFS_QUOTACTL 34.Nd manipulate file system quotas 35.Sh SYNOPSIS 36.In sys/param.h 37.In sys/mount.h 38.In sys/vnode.h 39.Ft int 40.Fn VFS_QUOTACTL "struct mount *mp" "int cmds" "uid_t uid" "void *arg" "bool *mp_busy" 41.Sh DESCRIPTION 42Implement file system quotas. 43.Pp 44The 45.Fa mp_busy 46argument is an input/output parameter. 47.Fn VFS_QUOTACTL 48must be called with 49.Fa mp 50marked busy through 51.Xr vfs_busy 9 52and 53.Fa *mp_busy 54set to true. 55The filesystem implementation of 56.Fn VFS_QUOTACTL 57may then unbusy 58.Fa mp 59using 60.Xr vfs_unbusy 9 61prior to performing quota file I/O. 62In this case the implementation must set 63.Fa *mp_busy 64to false to indicate that the caller must not unbusy 65.Fa mp 66upon completion of 67.Fn VFS_QUOTACTL . 68.Pp 69See 70.Xr quotactl 2 71for a description of the remaining arguments. 72.Sh SEE ALSO 73.Xr quotactl 2 , 74.Xr vnode 9 75.Sh AUTHORS 76This manual page was written by 77.An Doug Rabson . 78