#include <linux/types.h>
#include <linux/parser.h>
#include <linux/fs.h>
+#include <linux/slab.h>
#include <linux/res_counter.h>
#include <linux/uaccess.h>
}
counter->usage += val;
+ if (counter->usage > counter->max_usage)
+ counter->max_usage = counter->usage;
return 0;
}
switch (member) {
case RES_USAGE:
return &counter->usage;
+ case RES_MAX_USAGE:
+ return &counter->max_usage;
case RES_LIMIT:
return &counter->limit;
case RES_FAILCNT:
pos, buf, s - buf);
}
+u64 res_counter_read_u64(struct res_counter *counter, int member)
+{
+ return *res_counter_member(counter, member);
+}
+
ssize_t res_counter_write(struct res_counter *counter, int member,
const char __user *userbuf, size_t nbytes, loff_t *pos,
int (*write_strategy)(char *st_buf, unsigned long long *val))
ret = -EINVAL;
+ strstrip(buf);
if (write_strategy) {
if (write_strategy(buf, &tmp)) {
goto out_free;