[PATCH 0/2] nfsd: avoid taking state_lock in delegation lm_break callback

[Jeff Layton <jlayton@primarydata.com>]

In the interest of pushing this series out in smaller pieces, these two
patches clean up the delegation break callback. The basic idea here is
to avoid taking the state_lock while holding the i_lock, as it's a
highly contended global lock.

Jeff Layton (2):
  nfsd: eliminate nfsd4_init_callback
  nfsd: Avoid taking state_lock while holding inode lock in
    nfsd_break_one_deleg

 fs/nfsd/nfs4callback.c | 23 +++++++++++++++-----
 fs/nfsd/nfs4state.c    | 58 +++++++++++++++++++++++++++++++++-----------------
 fs/nfsd/state.h        |  4 +++-
 3 files changed, 59 insertions(+), 26 deletions(-)

-- 
1.9.3