• Linus Torvalds's avatar
    Merge tag 'f2fs-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs · d54d35c5
    Linus Torvalds authored
    Pull f2fs updates from Jaegeuk Kim:
     "In this round, we've mainly focused on discard, aka unmap, control
      along with fstrim for Android-specific usage model. In addition, we've
      fixed writepage flow which returned EAGAIN previously resulting in EIO
      of fsync(2) due to mapping's error state. In order to avoid old MM bug
      [1], we decided not to use __GFP_ZERO for the mapping for node and
      meta page caches. As always, we've cleaned up many places for future
      fsverity and symbol conflicts.
       - do discard/fstrim in lower priority considering fs utilization
       - split large discard commands into smaller ones for better responsiveness
       - add more sanity checks to address syzbot reports
       - add a mount option, fsync_mode=nobarrier, which can reduce # of cache flushes
       - clean up symbol namespace with modified function names
       - be strict on block allocation and IO control in corner cases
      Bug fixes:
       - don't use __GFP_ZERO for mappings
       - fix error reports in writepage to avoid fsync() failure
       - avoid selinux denial on CAP_RESOURCE on resgid/resuid
       - fix some subtle race conditions in GC/atomic writes/shutdown
       - fix overflow bugs in sanity_check_raw_super
       - fix missing bits on get_flags
       - prepare the generic flow for future fsverity integration
       - fix some broken coding standard"
    [1] https://lkml.org/lkml/2018/4/8/661
    * tag 'f2fs-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (79 commits)
      f2fs: fix to clear FI_VOLATILE_FILE correctly
      f2fs: let sync node IO interrupt async one
      f2fs: don't change wbc->sync_mode
      f2fs: fix to update mtime correctly
      fs: f2fs: insert space around that ':' and ', '
      fs: f2fs: add missing blank lines after declarations
      fs: f2fs: changed variable type of offset "unsigned" to "loff_t"
      f2fs: clean up symbol namespace
      f2fs: make set_de_type() static
      f2fs: make __f2fs_write_data_pages() static
      f2fs: fix to avoid accessing cross the boundary
      f2fs: fix to let caller retry allocating block address
      disable loading f2fs module on PAGE_SIZE > 4KB
      f2fs: fix error path of move_data_page
      f2fs: don't drop dentry pages after fs shutdown
      f2fs: fix to avoid race during access gc_thread pointer
      f2fs: clean up with clear_radix_tree_dirty_tag
      f2fs: fix to don't trigger writeback during recovery
      f2fs: clear discard_wake earlier
      f2fs: let discard thread wait a little longer if dev is busy
fscrypt_supp.h 7.25 KB