diff options
| author | David S. Miller <davem@davemloft.net> | 2008-07-27 16:51:21 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-27 16:51:21 -0700 |
| commit | 281c7413ed914623d3245299a4761b6b27ab9fdb (patch) | |
| tree | 182b5222a7ad4b77c32f7845ea777ca665d7def2 /include/linux/task_io_accounting_ops.h | |
| parent | 2ab61b01110aa04cd853c619a74881e3225a5e24 (diff) | |
| parent | c9272c4f9fbe2087beb3392f526dc5b19efaa56b (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/linux/task_io_accounting_ops.h')
| -rw-r--r-- | include/linux/task_io_accounting_ops.h | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/include/linux/task_io_accounting_ops.h b/include/linux/task_io_accounting_ops.h index ff46c6fad79d..4d090f9ee608 100644 --- a/include/linux/task_io_accounting_ops.h +++ b/include/linux/task_io_accounting_ops.h @@ -40,9 +40,17 @@ static inline void task_io_account_cancelled_write(size_t bytes) 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 @@ -69,9 +77,37 @@ static inline void task_io_account_cancelled_write(size_t bytes) { } -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 */ |