Pull ext4 changes from Ted Ts'o:
"Ext4 updates for 3.13. Mostly bug fixes and cleanups"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: add prototypes for macro-generated functions
ext4: return non-zero st_blocks for inline data
ext4: use prandom_u32() instead of get_random_bytes()
ext4: remove unreachable code after ext4_can_extents_be_merged()
ext4: remove unreachable code in ext4_can_extents_be_merged()
ext4: avoid bh leak in retry path of ext4_expand_extra_isize_ea()
ext4: don't count free clusters from a corrupt block group
ext4: fix FITRIM in no journal mode
ext4: drop set but otherwise unused variable from ext4_add_dirent_to_inline()
ext4: change ext4_read_inline_dir() to return 0 on success
ext4: pair trace_ext4_writepages & trace_ext4_writepages_result
ext4: add ratelimiting to ext4 messages
ext4: fix performance regression in ext4_writepages
ext4: fixup kerndoc annotation of mpage_map_and_submit_extent()
ext4: fix assertion in ext4_add_complete_io()