• Linus Torvalds's avatar
    Merge tag 'xfs-6.2-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux · 87be9499
    Linus Torvalds authored
    Pull XFS updates from Darrick Wong:
     "The highlight of this is a batch of fixes for the online metadata
      checking code as we start the loooong march towards merging online
      repair. I aim to merge that in time for the 2023 LTS.
    
      There are also a large number of data corruption and race condition
      fixes in this patchset. Most notably fixed are write() calls to
      unwritten extents racing with writeback, which required some late(r
      than I prefer) code changes to iomap to support the necessary
      revalidations. I don't really like iomap changes going in past -rc4,
      but Dave and I have been working on it long enough that I chose to
      push it for 6.2 anyway.
    
      There are also a number of other subtle problems fixed, including the
      log racing with inode writeback to write inodes with incorrect link
      count to disk; file data mapping corruptions as a result of incorrect
      lock cycling when attaching dquots; refcount metadata corruption if
      one actually manages to share a block 2^32 times; and the log
      clobbering cow staging extents if they were formerly metadata blocks.
    
      Summary:
    
       - Fix a race condition w.r.t. percpu inode free counters
    
       - Fix a broken error return in xfs_remove
    
       - Print FS UUID at mount/unmount time
    
       - Numerous fixes to the online fsck code
    
       - Fix inode locking inconsistency problems when dealing with realtime
         metadata files
    
       - Actually merge pull requests so that we capture the cover letter
         contents
    
       - Fix a race between rebuilding VFS inode state and the AIL flushing
         inodes that could cause corrupt inodes to be written to the
         filesystem
    
       - Fix a data corruption problem resulting from a write() to an
         unwritten extent racing with writeback started on behalf of memory
         reclaim changing the extent state
    
       - Add debugging knobs so that we can test iomap invalidation
    
       - Fix the blockdev pagecache contents being stale after unmounting
         the filesystem, leading to spurious xfs_db errors and corrupt
         metadumps
    
       - Fix a file mapping corruption bug due to ilock cycling when
         attaching dquots to a file during delalloc reservation
    
       - Fix a refcount btree corruption problem due to the refcount
         adjustment code not handling MAXREFCOUNT correctly, resulting in
         unnecessary record splits
    
       - Fix COW staging extent alloctions not being classified as USERDATA,
         which results in filestreams being ignored and possible data
         corruption if the allocation was filled from the AGFL and the block
         buffer is still being tracked in the AIL
    
       - Fix new duplicated includes
    
       - Fix a race between the dquot shrinker and dquot freeing that could
         cause a UAF"
    
    * tag 'xfs-6.2-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (50 commits)
      xfs: dquot shrinker doesn't check for XFS_DQFLAG_FREEING
      xfs: Remove duplicated include in xfs_iomap.c
      xfs: invalidate xfs_bufs when allocating cow extents
      xfs: get rid of assert from xfs_btree_islastblock
      xfs: estimate post-merge refcounts correctly
      xfs: hoist refcount record merge predicates
      xfs: fix super block buf log item UAF during force shutdown
      xfs: wait iclog complete before tearing down AIL
      xfs: attach dquots to inode before reading data/cow fork mappings
      xfs: shut up -Wuninitialized in xfsaild_push
      xfs: use memcpy, not strncpy, to format the attr prefix during listxattr
      xfs: invalidate block device page cache during unmount
      xfs: add debug knob to slow down write for fun
      xfs: add debug knob to slow down writeback for fun
      xfs: drop write error injection is unfixable, remove it
      xfs: use iomap_valid method to detect stale cached iomaps
      iomap: write iomap validity checks
      xfs: xfs_bmap_punch_delalloc_range() should take a byte range
      iomap: buffered write failure should not truncate the page cache
      xfs,iomap: move delalloc punching to iomap
      ...
    87be9499
xfs_error.c 13.6 KB