diff options
Diffstat (limited to 'fs/notify/inotify')
-rw-r--r-- | fs/notify/inotify/inotify_user.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index b8d08d0d0a4d..69d1ea3d292a 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -115,10 +115,10 @@ static unsigned int inotify_poll(struct file *file, poll_table *wait) int ret = 0; poll_wait(file, &group->notification_waitq, wait); - mutex_lock(&group->notification_mutex); + spin_lock(&group->notification_lock); if (!fsnotify_notify_queue_is_empty(group)) ret = POLLIN | POLLRDNORM; - mutex_unlock(&group->notification_mutex); + spin_unlock(&group->notification_lock); return ret; } @@ -138,7 +138,7 @@ static int round_event_name_len(struct fsnotify_event *fsn_event) * enough to fit in "count". Return an error pointer if * not large enough. * - * Called with the group->notification_mutex held. + * Called with the group->notification_lock held. */ static struct fsnotify_event *get_one_event(struct fsnotify_group *group, size_t count) @@ -157,7 +157,7 @@ static struct fsnotify_event *get_one_event(struct fsnotify_group *group, if (event_size > count) return ERR_PTR(-EINVAL); - /* held the notification_mutex the whole time, so this is the + /* held the notification_lock the whole time, so this is the * same event we peeked above */ fsnotify_remove_first_event(group); @@ -234,9 +234,9 @@ static ssize_t inotify_read(struct file *file, char __user *buf, add_wait_queue(&group->notification_waitq, &wait); while (1) { - mutex_lock(&group->notification_mutex); + spin_lock(&group->notification_lock); kevent = get_one_event(group, count); - mutex_unlock(&group->notification_mutex); + spin_unlock(&group->notification_lock); pr_debug("%s: group=%p kevent=%p\n", __func__, group, kevent); @@ -300,13 +300,13 @@ static long inotify_ioctl(struct file *file, unsigned int cmd, switch (cmd) { case FIONREAD: - mutex_lock(&group->notification_mutex); + spin_lock(&group->notification_lock); list_for_each_entry(fsn_event, &group->notification_list, list) { send_len += sizeof(struct inotify_event); send_len += round_event_name_len(fsn_event); } - mutex_unlock(&group->notification_mutex); + spin_unlock(&group->notification_lock); ret = put_user(send_len, (int __user *) p); break; } |