[PATCH 0/4] btrfs_device fixes

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Hello,

This patch series does two things:

- adds allocation helpers for struct btrfs_device and struct
  btrfs_fs_devices so that all the list_heads, spinlocks, etc are
  properly initialized and the code for that is in one place;

- fixes a bug in the umount sequence, which, under certain conditions,
  can lead to mount failures.

This is on top of 3.11-rc3, but applies cleanly to btrfs-next/master as
of now.  You can pull from:

git://github.com/idryomov/btrfs-unstable.git dev-fixes
 
Thanks,

		Ilya


Ilya Dryomov (4):
  Btrfs: find_next_devid: root -> fs_info
  Btrfs: add btrfs_alloc_device and switch to it
  Btrfs: add alloc_fs_devices and switch to it
  Btrfs: rollback btrfs_device fields on umount

 fs/btrfs/volumes.c |  250 +++++++++++++++++++++++++++++++++-------------------
 fs/btrfs/volumes.h |    3 +
 2 files changed, 162 insertions(+), 91 deletions(-)

-- 
1.7.10.4

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