Btrfs fixes for 4.17-rc1

Hi,

the branch contains a few fixups to qgroup patches that were merged this dev cycle, unaligned access fix, blockgroup removal corner case fix and a small debugging output tweak.

Please pull, thanks.

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The following changes since commit 5d41be6f702f19f72db816c17175caf9dbdcdfa6:

btrfs: Only check first key for committed tree blocks (2018-04-13 16:16:15 +0200)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-4.17-rc1-tag

for you to fetch changes up to c0872323746e11fc79344e3738b283a8cda86654:

btrfs: print-tree: debugging output enhancement (2018-04-20 19:18:16 +0200)

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David Sterba (1):
btrfs: fix unaligned access in readdir

Nikolay Borisov (1):
btrfs: Fix race condition between delayed refs and blockgroup removal

Qu Wenruo (5):
btrfs: qgroup: Commit transaction in advance to reduce early EDQUOT
btrfs: qgroup: Use independent and accurate per inode qgroup rsv
btrfs: delayed-inode: Remove wrong qgroup meta reservation calls
btrfs: Fix wrong btrfs_delalloc_release_extents parameter
btrfs: print-tree: debugging output enhancement

 fs/btrfs/ctree.h         | 25 +++++++++++++++++
 fs/btrfs/delayed-inode.c | 20 ++++++++++---
 fs/btrfs/delayed-ref.c   | 19 +++++++++----
 fs/btrfs/delayed-ref.h   |  1 +
 fs/btrfs/disk-io.c       |  1 +
 fs/btrfs/extent-tree.c   | 73 +++++++++++++++++++++++++++++++++++++-----------
 fs/btrfs/file.c          |  2 +-
 fs/btrfs/inode.c         | 20 +++++++------
 fs/btrfs/print-tree.c    | 25 ++++++++++-------
 fs/btrfs/print-tree.h    |  2 +-
 fs/btrfs/qgroup.c        | 43 ++++++++++++++++++++++++++--
 fs/btrfs/transaction.c   |  1 +
 fs/btrfs/transaction.h   | 14 ++++++++++
 13 files changed, 199 insertions(+), 47 deletions(-)