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4 Commits

Author SHA1 Message Date
Linus Torvalds
15da849c91 - Fix DM multipath by restoring full path selector functionality for 
bio-based configurations that don't haave a SCSI device handler.
 
 - Fix dm-btree removal to ensure non-root btree nodes have at least
   (max_entries / 3) entries.  This resolves userspace thin_check
   utility's report of "too few entries in btree_node".
 
 - Fix both the DM thin-provisioning and dm-clone targets to properly
   flush the data device prior to metadata commit.  This resolves the
   potential for inconsistency across a power loss event when the data
   device has a volatile writeback cache.
 
 - Small documentation fixes to dm-clone and dm-integrity.
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Merge tag 'for-5.5/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - Fix DM multipath by restoring full path selector functionality for
   bio-based configurations that don't haave a SCSI device handler.

 - Fix dm-btree removal to ensure non-root btree nodes have at least
   (max_entries / 3) entries. This resolves userspace thin_check
   utility's report of "too few entries in btree_node".

 - Fix both the DM thin-provisioning and dm-clone targets to properly
   flush the data device prior to metadata commit. This resolves the
   potential for inconsistency across a power loss event when the data
   device has a volatile writeback cache.

 - Small documentation fixes to dm-clone and dm-integrity.

* tag 'for-5.5/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  docs: dm-integrity: remove reference to ARC4
  dm thin: Flush data device before committing metadata
  dm thin metadata: Add support for a pre-commit callback
  dm clone: Flush destination device before committing metadata
  dm clone metadata: Use a two phase commit
  dm clone metadata: Track exact changes per transaction
  dm btree: increase rebalance threshold in __rebalance2()
  dm: add dm-clone to the documentation index
  dm mpath: remove harmful bio-based optimization
 2019-12-13 14:13:15 -08:00
Diego Calleja
484e0d2b11 dm: add dm-clone to the documentation index 
Fixes: 7431b7835f ("dm: add clone target")
Signed-off-by: Diego Calleja <diegocg@gmail.com>
Signed-off-by: Nikos Tsironis <ntsironis@arrikto.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
 2019-11-26 10:33:50 -05:00
Bryan Gurney
0a6f33dba4 dm dust: convert documentation to ReST 
Convert the dm-dust documentation to ReST formatting, using literal
blocks for all of the shell command, shell output, and log output
examples.

Add dm-dust to index.rst.

Additionally, fix an annotation in the "querying for specific bad
blocks" section, on the "queryblock ... not found in badblocklist"
example, to properly state that the message appears when a given
block is not found.

Signed-off-by: Bryan Gurney <bgurney@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2019-10-10 11:37:16 -06:00
Mauro Carvalho Chehab
6cf2a73cb2 docs: device-mapper: move it to the admin-guide 
The DM support describes lots of aspects related to mapped
disk partitions from the userspace PoV.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
 2019-07-15 11:03:01 -03:00