Commits
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable * git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: prevent RAID level downgrades when space is low Btrfs: account for missing devices in RAID allocation profiles Btrfs: EIO when we fail to read tree roots Btrfs: fix compiler warnings Btrfs: Make async snapshot ioctl more generic Btrfs: pwrite blocked when writing from the mmaped buffer of the same page Btrfs: Fix a crash when mounting a subvolume Btrfs: fix sync subvol/snapshot creation Btrfs: Fix page leak in compressed writeback path Btrfs: do not BUG if we fail to remove the orphan item for dead snapshots Btrfs: fixup return code for btrfs_del_orphan_item Btrfs: do not do fast caching if we are allocating blocks for tree_root Btrfs: deal with space cache errors better Btrfs: fix use after free in O_DIRECT
