03 Apr, 2009

2 commits

• 7513c2a76   dm raid1: add is_remote_recovering hook for clusters ... Browse Code »

  The logging API needs an extra function to make cluster mirroring
  possible. This new function allows us to check whether a mirror
  region is being recovered on another machine in the cluster. This
  helps us prevent simultaneous recovery I/O and process I/O to the
  same locations on disk.

  Cluster-aware log modules will implement this function. Single
  machine log modules will not. So, there is no performance
  penalty for single machine mirrors.

  Signed-off-by: Jonathan Brassow
  Acked-by: Heinz Mauelshagen
  Signed-off-by: Alasdair G Kergon

  Jonathan Brassow

  2009-04-03 02:55:30 +0800  
• ec44ab9d6   dm log: remove struct dm_dirty_log_internal ... Browse Code »

  Remove the 'dm_dirty_log_internal' structure. The resulting cleanup
  eliminates extra memory allocations. Therefore exposing the internal
  list_head to the external 'dm_dirty_log_type' structure is a worthwhile
  compromise.

  Signed-off-by: Mike Snitzer
  Signed-off-by: Alasdair G Kergon

  Mike Snitzer

  2009-04-03 02:55:30 +0800  

25 Apr, 2008

1 commit

• a765e20ee   dm: move include files ... Browse Code »

  Publish the dm-io, dm-log and dm-kcopyd headers in include/linux.

  Signed-off-by: Alasdair G Kergon

  Alasdair G Kergon

  2008-04-25 20:26:55 +0800