notification.c (32c3263221bd63316815286dccacdc7abfd7f3c4) notification.c (6e5f77b32e9097a8a68a8d453799676cacf70cad)
1/*
2 * Copyright (C) 2008 Red Hat, Inc., Eric Paris <eparis@redhat.com>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2, or (at your option)
7 * any later version.
8 *

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132
133/*
134 * Add an event to the group notification queue. The group can later pull this
135 * event off the queue to deal with. If the event is successfully added to the
136 * group's notification queue, a reference is taken on event.
137 */
138int fsnotify_add_notify_event(struct fsnotify_group *group, struct fsnotify_event *event,
139 struct fsnotify_event_private_data *priv,
1/*
2 * Copyright (C) 2008 Red Hat, Inc., Eric Paris <eparis@redhat.com>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2, or (at your option)
7 * any later version.
8 *

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132
133/*
134 * Add an event to the group notification queue. The group can later pull this
135 * event off the queue to deal with. If the event is successfully added to the
136 * group's notification queue, a reference is taken on event.
137 */
138int fsnotify_add_notify_event(struct fsnotify_group *group, struct fsnotify_event *event,
139 struct fsnotify_event_private_data *priv,
140 int (*merge)(struct list_head *, struct fsnotify_event *))
140 int (*merge)(struct list_head *,
141 struct fsnotify_event *,
142 void **arg),
143 void **arg)
141{
142 struct fsnotify_event_holder *holder = NULL;
143 struct list_head *list = &group->notification_list;
144 int rc = 0;
145
146 /*
147 * There is one fsnotify_event_holder embedded inside each fsnotify_event.
148 * Check if we expect to be able to use that holder. If not alloc a new

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165 rc = -EOVERFLOW;
166 /* sorry, no private data on the overflow event */
167 priv = NULL;
168 }
169
170 if (!list_empty(list) && merge) {
171 int ret;
172
144{
145 struct fsnotify_event_holder *holder = NULL;
146 struct list_head *list = &group->notification_list;
147 int rc = 0;
148
149 /*
150 * There is one fsnotify_event_holder embedded inside each fsnotify_event.
151 * Check if we expect to be able to use that holder. If not alloc a new

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168 rc = -EOVERFLOW;
169 /* sorry, no private data on the overflow event */
170 priv = NULL;
171 }
172
173 if (!list_empty(list) && merge) {
174 int ret;
175
173 ret = merge(list, event);
176 ret = merge(list, event, arg);
174 if (ret) {
175 mutex_unlock(&group->notification_mutex);
176 if (holder != &event->holder)
177 fsnotify_destroy_event_holder(holder);
178 return ret;
179 }
180 }
181

--- 253 unchanged lines hidden --- 		177 if (ret) {
178 mutex_unlock(&group->notification_mutex);
179 if (holder != &event->holder)
180 fsnotify_destroy_event_holder(holder);
181 return ret;
182 }
183 }
184

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