• Linus Torvalds's avatar
    Merge tag 'for-5.4/dm-changes' of... · 3e414b5b
    Linus Torvalds authored
    Merge tag 'for-5.4/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
    
    Pull device mapper updates from Mike Snitzer:
    
     - crypto and DM crypt advances that allow the crypto API to reclaim
       implementation details that do not belong in DM crypt. The wrapper
       template for ESSIV generation that was factored out will also be used
       by fscrypt in the future.
    
     - Add root hash pkcs#7 signature verification to the DM verity target.
    
     - Add a new "clone" DM target that allows for efficient remote
       replication of a device.
    
     - Enhance DM bufio's cache to be tailored to each client based on use.
       Clients that make heavy use of the cache get more of it, and those
       that use less have reduced cache usage.
    
     - Add a new DM_GET_TARGET_VERSION ioctl to allow userspace to query the
       version number of a DM target (even if the associated module isn't
       yet loaded).
    
     - Fix invalid memory access in DM zoned target.
    
     - Fix the max_discard_sectors limit advertised by the DM raid target;
       it was mistakenly storing the limit in bytes rather than sectors.
    
     - Small optimizations and cleanups in DM writecache target.
    
     - Various fixes and cleanups in DM core, DM raid1 and space map portion
       of DM persistent data library.
    
    * tag 'for-5.4/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (22 commits)
      dm: introduce DM_GET_TARGET_VERSION
      dm bufio: introduce a global cache replacement
      dm bufio: remove old-style buffer cleanup
      dm bufio: introduce a global queue
      dm bufio: refactor adjust_total_allocated
      dm bufio: call adjust_total_allocated from __link_buffer and __unlink_buffer
      dm: add clone target
      dm raid: fix updating of max_discard_sectors limit
      dm writecache: skip writecache_wait for pmem mode
      dm stats: use struct_size() helper
      dm crypt: omit parsing of the encapsulated cipher
      dm crypt: switch to ESSIV crypto API template
      crypto: essiv - create wrapper template for ESSIV generation
      dm space map common: remove check for impossible sm_find_free() return value
      dm raid1: use struct_size() with kzalloc()
      dm writecache: optimize performance by sorting the blocks for writeback_all
      dm writecache: add unlikely for getting two block with same LBA
      dm writecache: remove unused member pointer in writeback_struct
      dm zoned: fix invalid memory access
      dm verity: add root hash pkcs#7 signature verification
      ...
    3e414b5b
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