[PATCH v2 0/2] locking/rwsem: Convert rwsem count to atomic_long_t

[Jason Low]

v1->v2:
- Also convert sem->count usages in arch/{alph,ia64}/include/asm/rwsem.h
  to be used as atomic_long_t.

- Merge the patches to remove rwsem_atomic_add() and rwsem_atomic_update()
  across the various architectures into one patch.

This series converts the rwsem count variable to an atomic_long_t
since it is used it as an atomic variable. This allows us to also remove
the rwsem_atomic_{add,update} abstraction and reduce 100+ lines of code.

Jason Low (2):
  locking/rwsem: Convert sem->count to atomic_long_t
  Remove rwsem_atomic_add() and rwsem_atomic_update()

 arch/alpha/include/asm/rwsem.h | 68 ++++++++----------------------------------
 arch/ia64/include/asm/rwsem.h  | 31 ++++++++-----------
 arch/s390/include/asm/rwsem.h  | 37 -----------------------
 arch/x86/include/asm/rwsem.h   | 18 -----------
 include/asm-generic/rwsem.h    | 22 ++------------
 include/linux/rwsem.h          |  6 ++--
 kernel/locking/rwsem-xadd.c    | 32 ++++++++++----------
 7 files changed, 48 insertions(+), 166 deletions(-)

-- 
2.1.4