[GIT PULL] Btrfs updates for 5.1, part 2

[David Sterba]

Hi,

here's the second part containing mostly fixes. The changelog would
repeat the subject lines, in summary there are correctness and a
deadlock fixes. Please pull, thanks.

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The following changes since commit f65e25e343cfc0e6f4db9a687c4085fad268325d:

  btrfs: Remove unnecessary casts in btrfs_read_root_item (2019-02-25 14:19:23 +0100)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-5.1-part2-tag

for you to fetch changes up to d3865159ac7823f645d313fdbac0b256ac01eeb9:

  btrfs: zstd: ensure reclaim timer is properly cleaned up (2019-02-27 17:45:04 +0100)

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David Sterba (1):
      btrfs: move ulist allocation out of transaction in quota enable

Dennis Zhou (1):
      btrfs: zstd: ensure reclaim timer is properly cleaned up

Filipe Manana (2):
      Btrfs: fix corruption reading shared and compressed extents after hole punching
      Btrfs: fix deadlock between clone/dedupe and rename

Josef Bacik (2):
      btrfs: check for refs on snapshot delete resume
      btrfs: save drop_progress if we drop refs at all

 fs/btrfs/ctree.h       |  2 ++
 fs/btrfs/extent-tree.c | 74 +++++++++++++++++++++++++++++++++++++++++++++-----
 fs/btrfs/extent_io.c   |  4 +--
 fs/btrfs/ioctl.c       | 21 ++------------
 fs/btrfs/qgroup.c      | 13 ++++-----
 fs/btrfs/root-tree.c   |  8 ++++--
 fs/btrfs/zstd.c        |  6 ++--
 7 files changed, 90 insertions(+), 38 deletions(-)