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author | Ingo Molnar <mingo@elte.hu> | 2008-07-28 21:14:43 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-28 21:14:43 +0200 |
commit | 414f746d232d41ed6ae8632c4495ae795373c44b (patch) | |
tree | 167f9bc8f139c6e82e6732b38c7a938b8a9d31cd /include/linux/task_io_accounting_ops.h | |
parent | 5a7a201c51c324876d00a54e7208af6af12d1ca4 (diff) | |
parent | c9272c4f9fbe2087beb3392f526dc5b19efaa56b (diff) | |
download | blackbird-obmc-linux-414f746d232d41ed6ae8632c4495ae795373c44b.tar.gz blackbird-obmc-linux-414f746d232d41ed6ae8632c4495ae795373c44b.zip |
Merge branch 'linus' into cpus4096
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 */ |