On 7/20/07, Balbir Singh <[email protected]> wrote:
-static struct mem_container init_mem_container;
+static ssize_t mem_control_type_read(struct container *cont,
+ struct cftype *cft,
+ struct file *file, char __user *userbuf,
+ size_t nbytes, loff_t *ppos)
+{
+ unsigned long val;
+ char buf[64], *s;
+ struct mem_container *mem;
+
+ mem = mem_container_from_cont(cont);
+ s = buf;
+ val = mem->control_type;
+ s += sprintf(s, "%lu\n", val);
+ return simple_read_from_buffer((void __user *)userbuf, nbytes,
+ ppos, buf, s - buf);
+}
This could just use the read_uint64() hook and be something like
static u64 mem_container_control_type_read(struct container *cont,
struct cftype *cft)
{
return mem_container_from_cont(cont)->control_type;
}
Paul
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