evin/ms-nfs41-client
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deleg: return delegation on CB_RECALL

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moved thread creation from callback_server.c to nfs41_delegation_recall() in delegation.c

nfs41_delegation_recall() first searches for the delegation, and returns NFS4ERR_BADHANDLE if not found.  otherwise, it spawns a thread to handle the recall and returns NFS4_OK

delegation_return() calls nfs41_delegation_to_open() for each nfs41_open_state associated with the delegation

nfs41_delegation_to_open() sends OPEN with CLAIM_DELEGATE_CUR to reclaim an open stateid, and uses a condition variable in nfs41_open_state to prevent multiple threads from attempting reclaim

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2011-07-06 13:41:59 -04:00 • committed by unknown
parent 0bee545e91
commit 02216cbf28
4 changed files with 258 additions and 65 deletions
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6
daemon/nfs41.h
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@ -82,9 +82,11 @@ typedef struct __nfs41_server {
typedef struct __nfs41_delegation_state {
open_delegation4 state;
nfs41_fh fh;
nfs41_abs_path path;
nfs41_path_fh file;
struct list_entry client_entry; /* entry in nfs41_client.delegations */
LONG ref_count;
SRWLOCK lock;
} nfs41_delegation_state;
typedef struct __nfs41_lock_state {
@ -119,6 +121,8 @@ typedef struct __nfs41_open_state {
struct {
nfs41_delegation_state *state;
bool_t reclaim;
CONDITION_VARIABLE cond;
} delegation;
struct { /* list of open lock state for recovery */