Merge remote-tracking branch 'aosp/upstream-master' into aosp

* aosp/upstream-master:
  fsck.f2fs: fix dirent position check for encrypted+casefolded dentries
  f2fs_io: add randread
  fsck.f2fs: fix to avoid overflow during print_inode_info()
  fsck.f2fs: fix to check validation of i_xattr_nid
  fsck.f2fs: fix to check validation of block address
  mkfs.f2fs: update manual and help message
  fsck.f2fs: fix wrong addrs_per_{inode,block}
  dump.f2fs: fix to print all blkaddr in .i_addr
  man: add missing man page for f2fs_io
  f2fs_io: show more flags
  f2fs_io: don't give garbage data in upper 32bits
  f2fs_io: add fsync
  fsck.f2fs: quick fix of CLOCK_BOOTTIME in mac

Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
Change-Id: I815b25a9245c17af72df3715ab3ac4017fab5747