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[linux-lvm] 2.5.51-dm-1



A new stable release of dm for 2.5.51 is available:

http://people.sistina.com/~thornber/patches/2.5-stable/2.5.51/


Changes
-------

Revision 1:
  Four constants:
     DM_DIR,
     DM_MAX_TYPE_NAME,
     DM_NAME_LEN,
     DM_UUID_LEN
  
  Were being declared in device-mapper.h, these are all specific to 
  the ioctl interface, so they've been moved to dm-ioctl.h.  Nobody
  in userland should ever include <linux/device-mapper.h> so remove 
  ifdef __KERNEL guards.

Revision 2:
  An error value was not being checked correctly in open_dev().
  [Kevin Corry]

Revision 3:
  Return -ENOTBLK if lookup_device() finds the inode, but it
  is not a block device. [Cristoph Hellwig]

Revision 4:
  No need to validate the parameters if we are doing a
  REMOVE_ALL command.

Revision 5:
  check_device_area was comparing the bytes with sectors.
  [Stefan Lauterbach]

Revision 6:
  minor change for dm-strip.c. Tests for correct chunksize before it allocates
  the stripe context. [Heinz Mauelshagen]

Revision 7:
  There's a bug in the dm-stripe.c constructor failing top check if enough
  destinations are handed in. [Heinz Mauelshagen]

Revision 8:
  Give each device its own io mempool to avoid a potential
  deadlock with stacked devices.  [HM + EJT]

Revision 9:
  queue_io() was checking the DMF_SUSPENDED flag rather than the new
  DMF_BLOCK_IO flag.  This meant suspend could deadlock under load.

Revision 10:
  dm_suspend(): Stop holding the read lock around the while loop that
  waits for pending io to complete.

Revision 11:
  Add a blk_run_queues() call to encourage pending io to flush
  when we're doing a dm_suspend().

Revision 12:
  dec_pending(): only bother spin locking if io->error is going to be
  updated. [Kevin Corry]

Revision 13:
  md->pending was being incremented for each clone rather than just
  once. [Kevin Corry]

Revision 14:
  Some fields in the duplicated bio weren't being set up properly in
  __split_page(). [Kevin Corry]

Revision 15:
  Remove some paranoia in highmem.c, need to check this with Jens Axboe.

Revision 16:
  Remove verbose debug message 'Splitting page'.




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