- Update to 4.9.0
* xfs_quota: handle wrapped id from GETNEXTQUOTA
* xfs_repair: don't indicate dirtiness if FSGEOMETRY fails
* xfs_repair: junk leaf attribute if count == 0
* xfs_repair: fix some potential null pointer deferences
* xfs_repair: fix bogus rmapbt record owner check
* xfs.h: require transparent LFS for all users
* xfs_io: Fix initial -m option
* xfs_io: add command line option -i to start an idle thread
* xfsprogs: Update FSF address in COPYING file
* mkfs.xfs: format reflink enabled filesystems
* xfs_repair: use thread pools to sort rmap data
* xfs_repair: check for mergeable refcount records
* xfs_repair: use range query when while checking rmaps
* xfs_repair: check the CoW extent size hint
* xfs_repair: complain about copy-on-write leftovers
* xfs_repair: rebuild the refcount btree
* xfs_repair: check the refcount btree against our observed reference counts when -n
* xfs_repair: fix inode reflink flags
* xfs_repair: record reflink inode state
* xfs_repair: process reverse-mapping data into refcount data
* xfs_repair: handle multiple owners of data blocks
* xfs_repair: check the existing refcount btree
* xfs_repair: fix get_agino_buf to avoid corrupting inodes
* xfs_logprint: support bmap redo items
* xfs_logprint: support refcount redo items
* xfs_logprint: support cowextsize reporting in log contents
* xfs_io: try to unshare copy-on-write blocks via fallocate
* xfs_io: provide long-format help for falloc
* xfs_io: support injecting the 'per-AG reservation critically low' error