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.\" Note: The date here should be updated whenever a non-trivial
.\" change is made to the manual page.
.Dd April 28, 2012
.Dt VQUOTACTL 2
.Os
.Sh NAME
.Nm vquotactl
.Nd set or return VFS quota data
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/vfs_quota.h
.Ft int
.Fn vquotactl "const char *path" "struct plistref *pref"
.Sh DESCRIPTION
The
.Fn vquotactl
call serves as the only kernel/userland VFS quota interface.
.Xr proplib 3
messages specific to the
.Fa path
mount point are sent or returned via the
.Fa pref
parameter.
.Pp
To use the
.Fn vquotactl
call, the
.Va vfs.quota_enabled
tunable needs to be set in
.Xr loader.conf 5 .
.Sh RETURN VALUES
.Rv -std vquotactl
.Sh ERRORS
A
.Fn vquotactl
call may return the following error codes:
.Bl -tag -width Er
.It Bq Er EOPNOTSUPP
VFS quota support has not been enabled at system startup
.It Bq Er EINVAL
The message embedded in the
.Fa pref
argument was not understood.
.El
.Sh SEE ALSO
.Xr loader.conf 5 ,
.Xr vquota 8
.Sh HISTORY
The
.Fn vquotactl
function call appeared in
.Dx 2.13 .
.Sh AUTHORS
.An Francois Tigeot