[GIT PULL] Fixes for FS-Cache/CacheFiles

[David Howells]

Hi Linus,

Could you pull these fixes for FS-Cache and Cachefiles:

 (1) Put a timeout in releasepage() to deal with a recursive hang between the
     memory allocator, writeback, ext4 and fscache under memory pressure.

 (2) Fix a pair of refcount bugs in the fscache error handling.

 (3) Remove a couple of unused pagevecs.  This could be punted to -next if
     you'd rather.

Thanks,
David
---
The following changes since commit 68e370289c29e3beac99d59c6d840d470af9dfcf:

  Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux (2014-08-26 13:50:23 -0700)

are available in the git repository at:


  git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git tags/fscache-fixes-20140827

for you to fetch changes up to 1a8ed18fb7db48c916c2ccd484e04bd4dd737834:

  cachefiles: remove two unused pagevecs. (2014-08-27 15:54:39 +0100)

----------------------------------------------------------------
FS-Cache fixes

----------------------------------------------------------------
Milosz Tanski (3):
      FS-Cache: Timeout for releasepage()
      FS-Cache: Reduce cookie ref count if submit fails.
      FS-Cache: refcount becomes corrupt under vma pressure.

NeilBrown (1):
      cachefiles: remove two unused pagevecs.

 fs/cachefiles/rdwr.c |  6 ------
 fs/fscache/object.c  |  1 +
 fs/fscache/page.c    | 25 +++++++++++++++++++++----
 3 files changed, 22 insertions(+), 10 deletions(-)
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