a4b07a2701
Instead of requiring all implementations of vfs_quotactl to unbusy the mount for Q_QUOTAON and Q_QUOTAOFF, add an "mp_busy" in/out param to VFS_QUOTACTL(9). The implementation may then indicate to the caller whether it needed to unbusy the mount. Also, add stbool.h to libprocstat modules which #define _KERNEL before including sys/mount.h. Otherwise they'll pull in sys/types.h before defining _KERNEL and therefore won't have the bool definition they need for mp_busy. Reviewed By: kib, markj Differential Revision: https://reviews.freebsd.org/D30556
80 lines
2.3 KiB
Groff
80 lines
2.3 KiB
Groff
.\" -*- nroff -*-
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.\"
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.\" Copyright (c) 1996 Doug Rabson
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.\"
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.\" All rights reserved.
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.\"
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.\" This program is free software.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd May 29, 2021
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.Dt VFS_QUOTACTL 9
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.Os
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.Sh NAME
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.Nm VFS_QUOTACTL
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.Nd manipulate file system quotas
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.Sh SYNOPSIS
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.In sys/param.h
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.In sys/mount.h
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.In sys/vnode.h
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.Ft int
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.Fn VFS_QUOTACTL "struct mount *mp" "int cmds" "uid_t uid" "void *arg" "bool *mp_busy"
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.Sh DESCRIPTION
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Implement file system quotas.
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.Pp
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The
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.Fa mp_busy
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argument is an input/output parameter.
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.Fn VFS_QUOTACTL
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must be called with
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.Fa mp
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marked busy through
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.Xr vfs_busy 9
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and
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.Fa *mp_busy
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set to true.
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The filesystem implementation of
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.Fn VFS_QUOTACTL
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may then unbusy
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.Fa mp
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using
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.Xr vfs_unbusy 9
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prior to performing quota file I/O.
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In this case the implementation must set
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.Fa *mp_busy
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to false to indicate that the caller must not unbusy
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.Fa mp
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upon completion of
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.Fn VFS_QUOTACTL .
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.Pp
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See
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.Xr quotactl 2
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for a description of the remaining arguments.
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.Sh SEE ALSO
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.Xr quotactl 2 ,
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.Xr vnode 9
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.Sh AUTHORS
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This manual page was written by
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.An Doug Rabson .
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