[PATCH 0/2] fs,mm: abstract i_mmap_mutex lock

[Davidlohr Bueso <davidlohr@hp.com>]

In lure of the sleepable-vs-non-sleepable anon-vma/i_mmap locking
discussion, this patchset encapsulates the i_mmap_mutex lock into
two functions to lock and unlock (for writting). This is very similar
to how we currently deal with anon-vma lock, making it a lot easier to 
change the lock type.

I've split these changes in to two patches since it makes patch 2 nicer
to review, matching additions with deletions. 

Thanks!

Davidlohr Bueso (2):
  mm,fs: introduce helpers around i_mmap_mutex
  fs,mm: use new helper functions around the i_mmap_mutex

 fs/hugetlbfs/inode.c    |  4 ++--
 include/linux/fs.h      | 10 ++++++++++
 kernel/events/uprobes.c |  4 ++--
 kernel/fork.c           |  4 ++--
 mm/filemap_xip.c        |  4 ++--
 mm/fremap.c             |  4 ++--
 mm/hugetlb.c            | 12 ++++++------
 mm/memory-failure.c     |  4 ++--
 mm/memory.c             |  8 ++++----
 mm/mmap.c               | 14 +++++++-------
 mm/mremap.c             |  4 ++--
 mm/nommu.c              | 14 +++++++-------
 mm/rmap.c               | 16 ++++++++--------
 13 files changed, 56 insertions(+), 46 deletions(-)

-- 
1.8.1.4

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