pull request: bcache fixes

[Kent Overstreet <koverstreet@google.com>]

Jens, here's the latest bcache fixes. All of it fairly minor:

The following changes since commit 169ef1cf6171d35550fef85645b83b960e241cff:

  bcache: Don't export utility code, prefix with bch_ (2013-03-28 12:50:55 -0600)

are available in the git repository at:

  http://evilpiepirate.org/git/linux-bcache.git bcache-for-upstream

for you to fetch changes up to cef5279735d3f6f0243e626963e6d5c84efade0a:

  bcache: Disable broken btree fuzz tester (2013-04-08 13:33:49 -0700)

----------------------------------------------------------------
Geert Uytterhoeven (1):
      bcache: Add missing #include <linux/prefetch.h>

Kent Overstreet (6):
      bcache: Sparse fixes
      bcache: Use WARN_ONCE() instead of __WARN()
      bcache: Documentation updates
      bcache: Fix a minor memory leak on device teardown
      bcache: Fix a format string overflow
      bcache: Disable broken btree fuzz tester

 Documentation/bcache.txt    |  88 ++++++++++++++++++++++
 drivers/md/bcache/bset.c    |   3 +-
 drivers/md/bcache/btree.c   |   3 +-
 drivers/md/bcache/debug.c   |   8 +-
 drivers/md/bcache/journal.c |   2 +
 drivers/md/bcache/super.c   |   4 +-
 drivers/md/bcache/util.c    | 180 ++++++++++++++++++++++----------------------
 7 files changed, 192 insertions(+), 96 deletions(-)