'\" t .\" Title: struct reservation_object .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: January 2017 .\" Manual: Device drivers infrastructure .\" Source: Kernel Hackers Manual 4.8.15 .\" Language: English .\" .TH "STRUCT RESERVATION_O" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Device drivers infrastructure" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" struct_reservation_object \- a reservation object manages fences for a buffer .SH "SYNOPSIS" .sp .nf struct reservation_object { struct ww_mutex lock; seqcount_t seq; struct fence __rcu * fence_excl; struct reservation_object_list __rcu * fence; struct reservation_object_list * staged; }; .fi .SH "MEMBERS" .PP lock .RS 4 update side lock .RE .PP seq .RS 4 sequence count for managing RCU read\-side synchronization .RE .PP fence_excl .RS 4 the exclusive fence, if there is one currently .RE .PP fence .RS 4 list of current shared fences .RE .PP staged .RS 4 staged copy of shared fences for RCU updates .RE .SH "COPYRIGHT" .br