[dm-devel] [PATCH 00/26] dm raid: fix/cleanup for dm-4.8 inclusion

[heinzm at redhat.com]

From: Heinz Mauelshagen <heinzm at redhat.com>


Patch series vs. kernel.org linux-dm, branch dm-4.8 to address
issues identified:

- superfluous memory bariers
- missing constructor argument checks (sync/nosync)
- typo in write_mostly constructor argument
- function argument types
- recovery ad raid set size issues 
- out-of-place reshape offset checks
- reject resize during reshape
- enhance reshape checks
- avoid memory leaks in destructor
- comment typos and enhancements

Please review and schedule for 4.8 inclusion



Heinz Mauelshagen (26):
  dm raid: avoid superfluous memory barriers on static metadata
  dm raid: prohibit to pass in both sync and nosync ctr flags
  dm raid: the sync_page_io() metadata_op argument is bool
  dm raid: reject too many write_mostly devices
  dm raid: more restricting data_offset value checks
  dm raid: remove bogus comment
  dm raid: enhance comments in takeover checks
  dm raid: fix comment typos
  dm raid: make rs_set_capacity to work on shrinking reshape
  dm raid: fix rs_set_capacity on growing reshape
  dm raid: clearify and fix recovery
  dm raid: prohibit 'nosync' on new raid6 and reject resize during reshape
  dm raid: fix raid10 device size error on out-of-place reshape
  dm raid: comments and fixed typos
  dm raid: fix new superblock/bitmap creation on disk addition
  dm raid: also reject size change during recovery
  dm raid: fix type in write_mostly flag
  dm raid: fix ctr memory leaks on error paths
  dm raid: fix rebuild and catch bogus sync/resync flags
  dm raid: fix rs_is_recovering() to allow for lvextend
  dm raid: found way to allow resize during shrink
  dm raid: enhance reshape check and factor out reshape setup
  dm raid: support delta_disk for raid1, fix table output
  dm raid: use rs->raid_disks to avoid memory leaks on free and more consistent throughout
  dm raid: use rdev_for_each in status
  dm raid: change logical functions to actually return bool

 drivers/md/dm-raid.c | 453 ++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 300 insertions(+), 153 deletions(-)

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2.5.5