Merge tag 'for-f2fs-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk...

Pull f2fs updates from Jaegeuk Kim:
 "This series includes patches to:
   - add nobarrier mount option
   - support tmpfile and rename2
   - enhance the fdatasync behavior
   - fix the error path
   - fix the recovery routine
   - refactor a part of the checkpoint procedure
   - reduce some lock contentions"

* tag 'for-f2fs-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (40 commits)
  f2fs: use for_each_set_bit to simplify the code
  f2fs: add f2fs_balance_fs for expand_inode_data
  f2fs: invalidate xattr node page when evict inode
  f2fs: avoid skipping recover_inline_xattr after recover_inline_data
  f2fs: add tracepoint for f2fs_direct_IO
  f2fs: reduce competition among node page writes
  f2fs: fix coding style
  f2fs: remove redundant lines in allocate_data_block
  f2fs: add tracepoint for f2fs_issue_flush
  f2fs: avoid retrying wrong recovery routine when error was occurred
  f2fs: test before set/clear bits
  f2fs: fix wrong condition for unlikely
  f2fs: enable in-place-update for fdatasync
  f2fs: skip unnecessary data writes during fsync
  f2fs: add info of appended or updated data writes
  f2fs: use radix_tree for ino management
  f2fs: add infra for ino management
  f2fs: punch the core function for inode management
  f2fs: add nobarrier mount option
  f2fs: fix to put root inode in error path of fill_super
  ...