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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Task I/O accounting operations
3 */
4#ifndef __TASK_IO_ACCOUNTING_OPS_INCLUDED
5#define __TASK_IO_ACCOUNTING_OPS_INCLUDED
6
7#ifdef CONFIG_TASK_IO_ACCOUNTING
8static inline void task_io_account_read(size_t bytes)
9{
10 current->ioac.read_bytes += bytes;
11}
12
13static inline void task_io_account_write(size_t bytes)
14{
15 current->ioac.write_bytes += bytes;
16}
17
18static inline void task_io_account_cancelled_write(size_t bytes)
19{
20 current->ioac.cancelled_write_bytes += bytes;
21}
22
23static inline void task_io_accounting_init(struct task_struct *tsk)
24{
25 memset(&tsk->ioac, 0, sizeof(tsk->ioac));
26}
27
28#else
29
30static inline void task_io_account_read(size_t bytes)
31{
32}
33
34static inline void task_io_account_write(size_t bytes)
35{
36}
37
38static inline void task_io_account_cancelled_write(size_t bytes)
39{
40}
41
42static inline void task_io_accounting_init(struct task_struct *tsk)
43{
44}
45
46#endif /* CONFIG_TASK_IO_ACCOUNTING */
47#endif /* __TASK_IO_ACCOUNTING_OPS_INCLUDED */