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author | Steven Whitehouse <swhiteho@redhat.com> | 2006-10-02 08:45:08 -0400 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-10-02 08:45:08 -0400 |
commit | 59458f40e25915a355d8b1d701425fe9f4f9ea23 (patch) | |
tree | f1c9a2934df686e36d75f759ab7313b6f0e0e5f9 /include/linux/latency.h | |
parent | 825f9075d74028d11d7f5932f04e1b5db3022b51 (diff) | |
parent | d834c16516d1ebec4766fc58c059bf01311e6045 (diff) | |
download | op-kernel-dev-59458f40e25915a355d8b1d701425fe9f4f9ea23.zip op-kernel-dev-59458f40e25915a355d8b1d701425fe9f4f9ea23.tar.gz |
Merge branch 'master' into gfs2
Diffstat (limited to 'include/linux/latency.h')
-rw-r--r-- | include/linux/latency.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/latency.h b/include/linux/latency.h new file mode 100644 index 0000000..c08b52b --- /dev/null +++ b/include/linux/latency.h @@ -0,0 +1,25 @@ +/* + * latency.h: Explicit system-wide latency-expectation infrastructure + * + * (C) Copyright 2006 Intel Corporation + * Author: Arjan van de Ven <arjan@linux.intel.com> + * + */ + +#ifndef _INCLUDE_GUARD_LATENCY_H_ +#define _INCLUDE_GUARD_LATENCY_H_ + +#include <linux/notifier.h> + +void set_acceptable_latency(char *identifier, int usecs); +void modify_acceptable_latency(char *identifier, int usecs); +void remove_acceptable_latency(char *identifier); +void synchronize_acceptable_latency(void); +int system_latency_constraint(void); + +int register_latency_notifier(struct notifier_block * nb); +int unregister_latency_notifier(struct notifier_block * nb); + +#define INFINITE_LATENCY 1000000 + +#endif |