Mike Snitzer de7180ff90 dm cache: add support for discard passdown to the origin device ... DM cache now defaults to passing discards down to the origin device. User may disable this using the "no_discard_passdown" feature when creating the cache device. If the cache's underlying origin device doesn't support discards then passdown is disabled (with warning). Similarly, if the underlying origin device's max_discard_sectors is less than a cache block discard passdown will be disabled (this is required because sizing of the cache internal discard bitset depends on it). Signed-off-by: Mike Snitzer <snitzer@redhat.com>		2019-03-05 14:53:52 -05:00
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cache-policies.txt	dm cache: fix grammar in cache-policies.txt	2018-01-17 09:16:07 -05:00
cache.txt	dm cache: add support for discard passdown to the origin device	2019-03-05 14:53:52 -05:00
delay.txt	dm delay: add flush as a third class of IO	2018-07-27 15:24:19 -04:00
dm-crypt.txt	dm crypt: optionally support larger encryption sector size	2017-03-24 15:54:21 -04:00
dm-flakey.txt	dm flakey: Document "error_writes" feature	2018-10-12 11:31:39 -06:00
dm-init.txt	dm: add support to directly boot to a mapped device	2019-03-05 14:53:50 -05:00
dm-integrity.txt	dm integrity: recalculate checksums on creation	2018-07-27 15:24:27 -04:00
dm-io.txt	…
dm-log.txt	dm log userspace: fix comment hyphens	2011-10-31 20:21:22 +00:00
dm-queue-length.txt	dm mpath: add queue length load balancer	2009-06-22 10:12:27 +01:00
dm-raid.txt	Documentation: Use "while" instead of "whilst"	2018-11-20 09:30:43 -07:00
dm-service-time.txt	Fix common misspellings	2011-03-31 11:26:23 -03:00
dm-uevent.txt	…
dm-zoned.txt	dm zoned: drive-managed zoned block device target	2017-06-19 11:05:20 -04:00
era.txt	dm: add era target	2014-03-27 16:56:23 -04:00
kcopyd.txt	…
linear.txt	Documentation/device-mapper: s/getsize/getsz/	2016-12-14 10:54:27 +01:00
log-writes.txt	block: Finish renaming REQ_DISCARD into REQ_OP_DISCARD	2018-10-03 16:12:28 -06:00
persistent-data.txt	Documentation: Fix multiple typo in Documentation	2012-03-07 16:08:24 +01:00
snapshot.txt	dm snapshot: improve documentation relative to origin suspend requirements	2018-01-17 09:16:06 -05:00
statistics.txt	dm stats: fix spelling mistake in Documentation	2016-05-05 15:25:54 -04:00
striped.txt	Documentation/device-mapper: s/getsize/getsz/	2016-12-14 10:54:27 +01:00
switch.txt	Documentation/device-mapper: s/getsize/getsz/	2016-12-14 10:54:27 +01:00
thin-provisioning.txt	dm thin: include metadata_low_watermark threshold in pool status	2018-07-30 11:49:08 -04:00
unstriped.txt	dm: add unstriped target	2018-01-17 09:16:00 -05:00
verity.txt	dm verity: add 'check_at_most_once' option to only validate hashes once	2018-04-03 15:04:29 -04:00
writecache.txt	dm writecache: support optional offset for start of device	2018-07-02 16:14:02 -04:00
zero.txt	…