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Date: Sat, 1 May 2010 08:40:00 -0700 From: Randy Dunlap <rdunlap@...otime.net> To: Kent Overstreet <kent.overstreet@...il.com> Cc: linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/3] Bcache: version 4 On Fri, 30 Apr 2010 16:12:44 -0800 Kent Overstreet wrote: > diff --git a/block/Kconfig b/block/Kconfig > index f9e89f4..0e5dbf2 100644 > --- a/block/Kconfig > +++ b/block/Kconfig > @@ -100,6 +100,21 @@ config DEBUG_BLK_CGROUP > in the blk group which can be used by cfq for tracing various > group related activity. > > +config BLK_CACHE > + tristate "Block device as cache" > + select SLOW_WORK > + default m > + ---help--- > + Allows a block device to be used as cache for other devices; uses > + a btree for indexing and the layout is optimized for SSDs. > + > + Caches are persistent, and store the UUID of devices they cache. > + Hence, to open a device as cache, use > + "echo /dev/foo" > /sys/kernel/bcache/register_cache > + And to enable caching for a device > + "echo <UUID> /dev/foo" > /sys/kernel/bcache/register_dev Aren't the quotation marks misplaced in these examples? > + See Documentation/bcache.txt for details. > + > endif # BLOCK --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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