Merge tag 'f2fs-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fsHEADmaster

Pull f2fs updates from Jaegeuk Kim:
 "In this development cycle, we focused on several key performance
  optimizations:

   - introducing large folio support to enhance read speeds for
     immutable files

   - reducing checkpoint=enable latency by flushing only committed dirty
     pages

   - implementing tracepoints to diagnose and resolve lock priority
     inversion.

  Additionally, we introduced the packed_ssa feature to optimize the SSA
  footprint when utilizing large block sizes.

  Detail summary:

  Enhancements:
   - support large folio for immutable non-compressed case
   - support non-4KB block size without packed_ssa feature
   - optimize f2fs_enable_checkpoint() to avoid long delay
   - optimize f2fs_overwrite_io() for f2fs_iomap_begin
   - optimize NAT block loading during checkpoint write
   - add write latency stats for NAT and SIT blocks in
     f2fs_write_checkpoint
   - pin files do not require sbi->writepages lock for ordering
   - avoid f2fs_map_blocks() for consecutive holes in readpages
   - flush plug periodically during GC to maximize readahead effect
   - add tracepoints to catch lock overheads
   - add several sysfs entries to tune internal lock priorities

  Fixes:
   - fix lock priority inversion issue
   - fix incomplete block usage in compact SSA summaries
   - fix to show simulate_lock_timeout correctly
   - fix to avoid mapping wrong physical block for swapfile
   - fix IS_CHECKPOINTED flag inconsistency issue caused by
     concurrent atomic commit and checkpoint writes
   - fix to avoid UAF in f2fs_write_end_io()"

* tag 'f2fs-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (61 commits)
  f2fs: sysfs: introduce critical_task_priority
  f2fs: introduce trace_f2fs_priority_update
  f2fs: fix lock priority inversion issue
  f2fs: optimize f2fs_overwrite_io() for f2fs_iomap_begin
  f2fs: fix incomplete block usage in compact SSA summaries
  f2fs: decrease maximum flush retry count in f2fs_enable_checkpoint()
  f2fs: optimize NAT block loading during checkpoint write
  f2fs: change size parameter of __has_cursum_space() to unsigned int
  f2fs: add write latency stats for NAT and SIT blocks in f2fs_write_checkpoint
  f2fs: pin files do not require sbi->writepages lock for ordering
  f2fs: fix to show simulate_lock_timeout correctly
  f2fs: introduce FAULT_SKIP_WRITE
  f2fs: check skipped write in f2fs_enable_checkpoint()
  Revert "f2fs: add timeout in f2fs_enable_checkpoint()"
  f2fs: fix to unlock folio in f2fs_read_data_large_folio()
  f2fs: fix error path handling in f2fs_read_data_large_folio()
  f2fs: use folio_end_read
  f2fs: fix to avoid mapping wrong physical block for swapfile
  f2fs: avoid f2fs_map_blocks() for consecutive holes in readpages
  f2fs: advance index and offset after zeroing in large folio read
  ...

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