Merge tag 'writeback-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg...
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 10 Feb 2012 17:05:52 +0000 (09:05 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 10 Feb 2012 17:05:52 +0000 (09:05 -0800)
fix 1 mysterious divide error
fix 3 NULL dereference bugs in writeback tracing, on SD card removal w/o umount

* tag 'writeback-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
  writeback: fix dereferencing NULL bdi->dev on trace_writeback_queue
  lib: proportion: lower PROP_MAX_SHIFT to 32 on 64-bit kernel
  writeback: fix NULL bdi->dev in trace writeback_single_inode
  backing-dev: fix wakeup timer races with bdi_unregister()


Trivial merge