From cafe563591446cf80bfbc2fe3bc72a2e36cf1060 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Sat, 23 Mar 2013 16:11:31 -0700 Subject: bcache: A block layer cache Does writethrough and writeback caching, handles unclean shutdown, and has a bunch of other nifty features motivated by real world usage. See the wiki at http://bcache.evilpiepirate.org for more. Signed-off-by: Kent Overstreet --- include/linux/cgroup_subsys.h | 6 ++++++ include/linux/sched.h | 4 ++++ 2 files changed, 10 insertions(+) (limited to 'include/linux') diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h index f204a7a9cf38..6e7ec64b69ab 100644 --- a/include/linux/cgroup_subsys.h +++ b/include/linux/cgroup_subsys.h @@ -78,3 +78,9 @@ SUBSYS(hugetlb) #endif /* */ + +#ifdef CONFIG_CGROUP_BCACHE +SUBSYS(bcache) +#endif + +/* */ diff --git a/include/linux/sched.h b/include/linux/sched.h index d35d2b6ddbfb..a8482d063bc3 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1576,6 +1576,10 @@ struct task_struct { #ifdef CONFIG_UPROBES struct uprobe_task *utask; #endif +#if defined(CONFIG_BCACHE) || defined(CONFIG_BCACHE_MODULE) + unsigned int sequential_io; + unsigned int sequential_io_avg; +#endif }; /* Future-safe accessor for struct task_struct's cpus_allowed. */ -- cgit v1.2.3-71-gd317