Here is the next swath of patches for the nfsd client_mutex removal
series. The main focus of this series is to add refcounting to open and
lock stateids and to use those to drive their management and eventual
destruction. Additionally, we add refcounting to the open and lock
stateowners and use that refcount to manage their lifecycle as well.
Most of the new locking here is superfluous until we remove the
client_mutex. This series should be applied on top of the delegation
series I sent earlier today.
Benny Halevy (1):
nfsd4: use cl_lock to synchronize all stateid idr calls
Jeff Layton (17):
nfsd: Ensure atomicity of stateid destruction and idr tree removal
nfsd: Cleanup the freeing of stateids
nfsd: do filp_close in sc_free callback for lock stateids
nfsd: Add locking to protect the state owner lists
nfsd: clean up races in lock stateid searching and creation
nfsd: ensure atomicity in nfsd4_free_stateid and
nfsd4_validate_stateid
nfsd: clean up lockowner refcounting when finding them
nfsd: add an operation for unhashing a stateowner
nfsd: clean up refcounting for lockowners
nfsd: make openstateids hold references to their openowners
nfsd: don't allow CLOSE to proceed until refcount on stateid drops
nfsd: clean up and reorganize release_lockowner
nfsd: add locking to stateowner release
nfsd: optimize destroy_lockowner cl_lock thrashing
nfsd: close potential race in nfsd4_free_stateid
nfsd: reduce cl_lock thrashing in release_openowner
nfsd: don't thrash the cl_lock while freeing an open stateid
Trond Myklebust (22):
nfsd: Add reference counting to the lock and open stateids
nfsd: Add a struct nfs4_file field to struct nfs4_stid
nfsd: Replace nfs4_ol_stateid->st_file with the st_stid.sc_file
nfsd: Slight cleanup of find_stateid()
nfsd: Add reference counting to lock stateids
nfsd: nfsd4_locku() must reference the lock stateid
nfsd: Ensure that nfs4_open_delegation() references the delegation
stateid
nfsd: nfsd4_process_open2() must reference the delegation stateid
nfsd: nfsd4_process_open2() must reference the open stateid
nfsd: Prepare nfsd4_close() for open stateid referencing
nfsd: nfsd4_open_confirm() must reference the open stateid
nfsd: Add reference counting to nfs4_preprocess_confirmed_seqid_op
nfsd: Migrate the stateid reference into nfs4_preprocess_seqid_op
nfsd: Migrate the stateid reference into nfs4_lookup_stateid()
nfsd: Migrate the stateid reference into nfs4_find_stateid_by_type()
nfsd: Add reference counting to state owners
nfsd: Add a mutex to protect the NFSv4.0 open owner replay cache
nfsd: Keep a reference to the open stateid for the NFSv4.0 replay
cache
nfsd: Make lock stateid take a reference to the lockowner
nfsd: Protect adding/removing open state owners using client_lock
nfsd: Protect adding/removing lock owners using client_lock
nfsd: Move the open owner hash table into struct nfs4_client
fs/nfsd/netns.h | 1 -
fs/nfsd/nfs4proc.c | 12 +-
fs/nfsd/nfs4state.c | 956 +++++++++++++++++++++++++++++++++++-----------------
fs/nfsd/nfs4xdr.c | 2 -
fs/nfsd/state.h | 12 +-
fs/nfsd/xdr4.h | 5 +-
6 files changed, 660 insertions(+), 328 deletions(-)
--
1.9.3
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