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bcache: A block layer cache

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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 <koverstreet@google.com>
This commit is contained in:
Kent Overstreet 2013-03-23 16:11:31 -07:00
commit cafe563591
36 changed files with 16474 additions and 0 deletions
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4
include/linux/sched.h
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@ -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. */