evin/ms-nfs41-client
3
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

recovery: remember byte-range locks and reclaim during recovery

Browse source 
nfs41_open_state maintains a list of outstanding byte-range locks by calling open_lock_add() and open_lock_remove() in lock.c

during client state recovery, after reclaiming each OPEN stateid, send LOCK requests with reclaim=TRUE for each lock it owns, and update the open's lock stateid with the result

added 'bool_t reclaim' argument to nfs41_lock(); when set, compound_encode_send_decode() is called with try_recovery=FALSE to avoid recursive recovery

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2010-11-18 15:11:36 -05:00 • committed by unknown
parent 1906610544
commit 222c1bf020
7 changed files with 141 additions and 56 deletions
Download patch file Download diff file Expand all files Collapse all files

13
daemon/nfs41.h
View file

@ -68,9 +68,10 @@ typedef struct __nfs41_server {
} nfs41_server;
typedef struct __nfs41_lock_state {
bool_t initialized;
stateid4 stateid;
SRWLOCK lock;
struct list_entry open_entry; /* entry in nfs41_open_state.locks */
uint64_t offset;
uint64_t length;
uint32_t type;
} nfs41_lock_state;
/* nfs41_open_state reference counting:
@ -89,13 +90,17 @@ typedef struct __nfs41_open_state {
bool_t do_close;
stateid4 stateid;
state_owner4 owner;
nfs41_lock_state last_lock;
struct __pnfs_file_layout *layout;
struct list_entry client_entry; /* entry in nfs41_client.opens */
SRWLOCK lock;
LONG ref_count;
uint32_t share_access;
uint32_t share_deny;
struct { /* list of open lock state for recovery */
stateid4 stateid;
struct list_entry list;
} locks;
} nfs41_open_state;
typedef struct __nfs41_rpc_clnt {