Btrfs updates for 4.20-rc4

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(-)