ext4 changes for 5.1

Sorry, I thought I had sent this a week ago, but I had failed to push the send button apparently...

The following changes since commit 49a57857aeea06ca831043acbb0fa5e0f50602fd:

Linux 5.0-rc3 (2019-01-21 13:14:44 +1300)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git tags/ext4_for_linus

for you to fetch changes up to 0df6f46995a9fc92a6b9e591428e77527dd9609a:

jbd2: jbd2_get_transaction does not need to return a value (2019-03-01 00:36:57 -0500)

----------------------------------------------------------------
A large number of bug fixes and cleanups. One new feature to allow users to more easily find the jbd2 journal thread for a particular ext4 file system.

----------------------------------------------------------------
Andreas Dilger (1):
ext4: don't update s_rev_level if not required

Dan Carpenter (1):
ext4: fix some error pointer dereferences

Eric Whitney (1):
ext4: fix bigalloc cluster freeing when hole punching under load

Geert Uytterhoeven (1):
ext4: Change debugging support help prefix from EXT4 to Ext4

Jan Kara (1):
ext4: fix crash during online resizing

Konstantin Khlebnikov (1):
ext4: add sysfs attr /sys/fs/ext4/<disk>/journal_task

Liu Song (1):
jbd2: jbd2_get_transaction does not need to return a value

Mathieu Malaterre (2):
ext4: annotate implicit fall throughs
ext4: annotate more implicit fall throughs

Nikolay Borisov (1):
ext4: replace opencoded i_writecount usage with inode_is_open_for_write()

Theodore Ts'o (4):
Revert "ext4: use ext4_write_inode() when fsyncing w/o a journal"
ext4: disallow files with EXT4_JOURNAL_DATA_FL from EXT4_IOC_SWAP_BOOT
jbd2: fix race when writing superblock
jbd2: fold jbd2_superblock_csum_{verify,set} into their callers

Xiaoguang Wang (2):
jbd2: fix deadlock while checkpoint thread waits commit thread to finish
ext4: unlock unused_pages timely when doing writeback

luojiajun (1):
jbd2: fix invalid descriptor block checksum

yangerkun (4):
ext4: fix check of inode in swap_inode_boot_loader
ext4: cleanup pagecache before swap i_data
ext4: update quota information while swapping boot loader inode
ext4: add mask of ext4 flags to swap

zhangyi (F) (5):
jbd2: clear dirty flag when revoking a buffer from an older transaction
jbd2: discard dirty data when forgetting an un-journalled buffer
ext4: cleanup clean_bdev_aliases() calls
jbd2: fix compile warning when using JBUFFER_TRACE
ext4: fix compile error when using BUFFER_TRACE

 Documentation/ABI/testing/sysfs-fs-ext4 |   7 +++
 fs/ext4/Kconfig                         |   2 +-
 fs/ext4/ext4.h                          |   9 ++-
 fs/ext4/extents.c                       |  29 ++++-----
 fs/ext4/fsync.c                         |  13 ++--
 fs/ext4/hash.c                          |   2 +
 fs/ext4/indirect.c                      |   6 ++
 fs/ext4/inode.c                         |  21 +++----
 fs/ext4/ioctl.c                         | 101 +++++++++++++++++++++++---------
 fs/ext4/mballoc.c                       |   7 +--
 fs/ext4/page-io.c                       |   4 +-
 fs/ext4/resize.c                        |   3 +-
 fs/ext4/super.c                         |   1 -
 fs/ext4/sysfs.c                         |  13 ++++
 fs/ext4/xattr.c                         |   3 +
 fs/jbd2/checkpoint.c                    |  17 +++++-
 fs/jbd2/commit.c                        |   6 +-
 fs/jbd2/journal.c                       |  90 ++++++++++++----------------
 fs/jbd2/transaction.c                   |  83 +++++++++++++++++++-------
 19 files changed, 261 insertions(+), 156 deletions(-)