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(parent: 245aa31) | patch
dm cache metadata: add "metadata2" feature
authorJoe Thornber <ejt@redhat.com>
Thu, 22 Sep 2016 10:15:21 +0000 (06:15 -0400)
committerMike Snitzer <snitzer@redhat.com>
Thu, 16 Feb 2017 18:12:47 +0000 (13:12 -0500)
commit83c72fe5982b9790ab7fa4ca44463938e74d2343
treedf900a59355073aca34dd8de83d4ca631428cd6etree | snapshot
parent245aa3147c45d9b5587a823d39fb61eee94f6934commit | diff
dm cache metadata: add "metadata2" feature

If "metadata2" is provided as a table argument when creating/loading a
cache target a more compact metadata format, with separate dirty bits,
is used.  "metadata2" improves speed of shutting down a cache target.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Documentation/device-mapper/cache.txt diff | blob | history
drivers/md/dm-cache-metadata.c diff | blob | history
drivers/md/dm-cache-metadata.h diff | blob | history
drivers/md/dm-cache-target.c diff | blob | history
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