[GIT PULL] Btrfs updates for 4.20-rc4

[David Sterba <dsterba@suse.com>]

Hi,

please pull the following fixes. Some of them are being hit during
testing so we'd like to get them merged, otherwise there are usual
stability fixes for stable trees. Thanks.

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The following changes since commit d6fd0ae25c6495674dc5a41a8d16bc8e0073276d:

  Btrfs: fix missing delayed iputs on unmount (2018-11-07 20:17:45 +0100)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-4.20-rc4-tag

for you to fetch changes up to 42a657f57628402c73237547f0134e083e2f6764:

  btrfs: relocation: set trans to be NULL after ending transaction (2018-11-23 13:47:46 +0100)

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Filipe Manana (3):
      Btrfs: fix rare chances for data loss when doing a fast fsync
      Btrfs: ensure path name is null terminated at btrfs_control_ioctl
      Btrfs: fix race between enabling quotas and subvolume creation

Nikolay Borisov (1):
      btrfs: Always try all copies when reading extent buffers

Pan Bian (1):
      btrfs: relocation: set trans to be NULL after ending transaction

Robbie Ko (1):
      Btrfs: send, fix infinite loop due to directory rename dependencies

 fs/btrfs/disk-io.c    | 11 +----------
 fs/btrfs/file.c       | 24 ++++++++++++++++++++++++
 fs/btrfs/qgroup.c     |  3 ++-
 fs/btrfs/relocation.c |  1 +
 fs/btrfs/send.c       | 11 ++++++++---
 fs/btrfs/super.c      |  1 +
 6 files changed, 37 insertions(+), 14 deletions(-)