current->ioac.cancelled_write_bytes += bytes;
}
-static inline void task_io_accounting_init(struct task_struct *tsk)
+static inline void task_io_accounting_init(struct task_io_accounting *ioac)
{
- memset(&tsk->ioac, 0, sizeof(tsk->ioac));
+ memset(ioac, 0, sizeof(*ioac));
+}
+
+static inline void task_blk_io_accounting_add(struct task_io_accounting *dst,
+ struct task_io_accounting *src)
+{
+ dst->read_bytes += src->read_bytes;
+ dst->write_bytes += src->write_bytes;
+ dst->cancelled_write_bytes += src->cancelled_write_bytes;
}
#else
{
}
-static inline void task_io_accounting_init(struct task_struct *tsk)
+static inline void task_io_accounting_init(struct task_io_accounting *ioac)
+{
+}
+
+static inline void task_blk_io_accounting_add(struct task_io_accounting *dst,
+ struct task_io_accounting *src)
{
}
-#endif /* CONFIG_TASK_IO_ACCOUNTING */
-#endif /* __TASK_IO_ACCOUNTING_OPS_INCLUDED */
+#endif /* CONFIG_TASK_IO_ACCOUNTING */
+
+#ifdef CONFIG_TASK_XACCT
+static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
+ struct task_io_accounting *src)
+{
+ dst->rchar += src->rchar;
+ dst->wchar += src->wchar;
+ dst->syscr += src->syscr;
+ dst->syscw += src->syscw;
+}
+#else
+static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
+ struct task_io_accounting *src)
+{
+}
+#endif /* CONFIG_TASK_XACCT */
+
+static inline void task_io_accounting_add(struct task_io_accounting *dst,
+ struct task_io_accounting *src)
+{
+ task_chr_io_accounting_add(dst, src);
+ task_blk_io_accounting_add(dst, src);
+}
+#endif /* __TASK_IO_ACCOUNTING_OPS_INCLUDED */