示例#1
0
/*
 * descriptor table is not shared, so files can't change or go away.
 */
static struct spu_context *coredump_next_context(int *fd)
{
	struct file *file;
	int n = iterate_fd(current->files, *fd, match_context, NULL);
	if (!n)
		return NULL;
	*fd = n - 1;
	file = fcheck(*fd);
	return SPUFS_I(file->f_dentry->d_inode)->i_ctx;
}
示例#2
0
static void cgrp_attach(struct cgroup_taskset *tset)
{
	struct cgroup_subsys_state *css;
	struct task_struct *p;

	cgroup_taskset_for_each(p, css, tset) {
		task_lock(p);
		iterate_fd(p->files, 0, update_classid_sock,
			   (void *)(unsigned long)css_cls_state(css)->classid);
		task_unlock(p);
	}
static void cgrp_attach(struct cgroup *cgrp, struct cgroup_taskset *tset)
{
	struct task_struct *p;
	void *v;

	cgroup_taskset_for_each(p, cgrp, tset) {
		task_lock(p);
		v = (void *)(unsigned long)task_cls_classid(p);
		iterate_fd(p->files, 0, update_classid, v);
		task_unlock(p);
	}
示例#4
0
static void update_classid(struct cgroup_subsys_state *css, void *v)
{
	struct css_task_iter it;
	struct task_struct *p;

	css_task_iter_start(css, &it);
	while ((p = css_task_iter_next(&it))) {
		task_lock(p);
		iterate_fd(p->files, 0, update_classid_sock, v);
		task_unlock(p);
	}
	css_task_iter_end(&it);
}
示例#5
0
文件: copy_up.c 项目: asmalldev/linux
/*
 * Check the fds open by this process and warn if something like the following
 * scenario is about to occur:
 *
 *	fd1 = open("foo", O_RDONLY);
 *	fd2 = open("foo", O_RDWR);
 */
static void ovl_do_check_copy_up(struct dentry *dentry)
{
	if (ovl_check_copy_up)
		iterate_fd(current->files, 0, ovl_check_fd, dentry);
}