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- A few DM integrity fixes that improve performance. One that address

Browse source 
inefficiencies in the on-disk journal device layout.  Another that
   makes use of the block layer's on-stack plugging when writing the
   journal.
 
 - A dm-bufio fix for the blk_status_t conversion that went in during the
   merge window.
 
 - A few DM raid fixes that address correctness when suspending the
   device and a validation fix for validation that occurs during device
   activation.
 
 - A couple DM zoned target fixes.  Important one being the fix to not
   use GFP_KERNEL in the IO path due to concerns about deadlock in
   low-memory conditions (e.g. swap over a DM zoned device, etc).
 
 - A DM DAX device fix to make sure dm_dax_flush() is called if the
   underlying DAX device is operating as a write cache.
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Merge tag 'for-4.13/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - a few DM integrity fixes that improve performance. One that address
   inefficiencies in the on-disk journal device layout. Another that
   makes use of the block layer's on-stack plugging when writing the
   journal.

 - a dm-bufio fix for the blk_status_t conversion that went in during
   the merge window.

 - a few DM raid fixes that address correctness when suspending the
   device and a validation fix for validation that occurs during device
   activation.

 - a couple DM zoned target fixes. Important one being the fix to not
   use GFP_KERNEL in the IO path due to concerns about deadlock in
   low-memory conditions (e.g. swap over a DM zoned device, etc).

 - a DM DAX device fix to make sure dm_dax_flush() is called if the
   underlying DAX device is operating as a write cache.

* tag 'for-4.13/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm, dax: Make sure dm_dax_flush() is called if device supports it
  dm verity fec: fix GFP flags used with mempool_alloc()
  dm zoned: use GFP_NOIO in I/O path
  dm zoned: remove test for impossible REQ_OP_FLUSH conditions
  dm raid: bump target version
  dm raid: avoid mddev->suspended access
  dm raid: fix activation check in validate_raid_redundancy()
  dm raid: remove WARN_ON() in raid10_md_layout_to_format()
  dm bufio: fix error code in dm_bufio_write_dirty_buffers()
  dm integrity: test for corrupted disk format during table load
  dm integrity: WARN_ON if variables representing journal usage get out of sync
  dm integrity: use plugging when writing the journal
  dm integrity: fix inefficient allocation of journal space
This commit is contained in:
Linus Torvalds 2017-07-28 12:17:17 -07:00
commit 1731a47444
11 changed files with 94 additions and 46 deletions
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1
Documentation/device-mapper/dm-raid.txt
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@ -343,3 +343,4 @@ Version History
1.11.0 Fix table line argument order
(wrong raid10_copies/raid10_format sequence)
1.11.1 Add raid4/5/6 journal write-back support via journal_mode option
1.12.1 fix for MD deadlock between mddev_suspend() and md_write_start() available