Date:   Tue, 18 Jan 2022 17:10:53 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Linux F2FS Dev Mailing List 
        <linux-f2fs-devel@...ts.sourceforge.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] f2fs update for 5.17-rc1

Hi Linus,

Could you please consider this pull request?

Thanks as always,

The following changes since commit 8ab774587903771821b59471cc723bba6d893942:

  Merge tag 'trace-v5.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace (2021-11-14 19:07:19 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git tags/f2fs-for-5.17-rc1

for you to fetch changes up to 5fed0be8583f08c1548b4dcd9e5ee0d1133d0730:

  f2fs: do not allow partial truncation on pinned file (2022-01-10 09:05:09 -0800)

----------------------------------------------------------------
f2fs-for-5.17-rc1

In this round, we've tried to address some performance issues in f2fs_checkpoint
and direct IO flows. Also, there was a work to enhance the page cache management
used for compression. Other than them, we've done typical work including sysfs,
code clean-ups, tracepoint, sanity check, in addition to bug fixes on corner
cases.

Enhancement:
 - use iomap for direct IO
 - try to avoid lock contention to improve f2fs_ckpt speed
 - avoid unnecessary memory allocation in compression flow
 - POSIX_FADV_DONTNEED drops the page cache containing compression pages
 - add some sysfs entries (gc_urgent_high_remaining, pending_discard)

Bug fix:
 - try not to expose unwritten blocks to user by DIO
   : this was added to avoid merge conflict; another patch is coming to address
     other missing case.
 - relax minor error condition for file pinning feature used in Android OTA
 - fix potential deadlock case in compression flow
 - should not truncate any block on pinned file

In addition, we've done some code clean-ups and tracepoint/sanity check
improvement.

----------------------------------------------------------------
Chao Yu (9):
      f2fs: fix to do sanity check on inode type during garbage collection
      f2fs: fix to avoid panic in is_alive() if metadata is inconsistent
      f2fs: fix to do sanity check in is_alive()
      f2fs: fix to do sanity check on last xattr entry in __f2fs_setxattr()
      f2fs: clean up __find_inline_xattr() with __find_xattr()
      f2fs: support fault injection to f2fs_trylock_op()
      f2fs: fix to check available space of CP area correctly in update_ckpt_flags()
      f2fs: fix to reserve space for IO align feature
      f2fs: don't drop compressed page cache in .{invalidate,release}page

Daeho Jeong (1):
      f2fs: add gc_urgent_high_remaining sysfs node

Eric Biggers (5):
      f2fs: rework write preallocations
      f2fs: reduce indentation in f2fs_file_write_iter()
      f2fs: fix the f2fs_file_write_iter tracepoint
      f2fs: implement iomap operations
      f2fs: use iomap for direct I/O

Fengnan Chang (4):
      f2fs: compress: reduce one page array alloc and free when write compressed page
      f2fs: fix remove page failed in invalidate compress pages
      f2fs: support POSIX_FADV_DONTNEED drop compressed page cache
      f2fs: remove redunant invalidate compress pages

Hyeong-Jun Kim (1):
      f2fs: compress: fix potential deadlock of compress file

Jaegeuk Kim (8):
      f2fs: do not expose unwritten blocks to user by DIO
      f2fs: show more DIO information in tracepoint
      f2fs: show number of pending discard commands
      f2fs: avoid duplicate call of mark_inode_dirty
      f2fs: avoid EINVAL by SBI_NEED_FSCK when pinning a file
      f2fs: avoid down_write on nat_tree_lock during checkpoint
      f2fs: do not bother checkpoint by f2fs_get_node_info
      f2fs: do not allow partial truncation on pinned file

Yang Li (1):
      f2fs: Simplify bool conversion

 Documentation/ABI/testing/sysfs-fs-f2fs |  12 +
 Documentation/filesystems/f2fs.rst      |   1 +
 fs/f2fs/Kconfig                         |   1 +
 fs/f2fs/checkpoint.c                    |   6 +-
 fs/f2fs/compress.c                      |  84 +++---
 fs/f2fs/data.c                          | 351 +++++-----------------
 fs/f2fs/f2fs.h                          |  43 ++-
 fs/f2fs/file.c                          | 509 ++++++++++++++++++++++++++------
 fs/f2fs/gc.c                            |  26 +-
 fs/f2fs/inline.c                        |   4 +-
 fs/f2fs/inode.c                         |  18 +-
 fs/f2fs/iostat.c                        |  40 ++-
 fs/f2fs/node.c                          |  23 +-
 fs/f2fs/recovery.c                      |   2 +-
 fs/f2fs/segment.c                       |   2 +-
 fs/f2fs/segment.h                       |   3 +-
 fs/f2fs/super.c                         |  46 +++
 fs/f2fs/sysfs.c                         |  26 +-
 fs/f2fs/xattr.c                         |  40 +--
 include/trace/events/f2fs.h             |  27 +-
 20 files changed, 759 insertions(+), 505 deletions(-)

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