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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-07-06 15:10:43 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-07-10 23:40:41 -0400
commit13437e12fb43cb7e285ff59248f781c91578eafe (patch)
tree450c618a4655161b4c534d700b9111cf7c349e6f
parent901630278469c0d7610554227f39ed2d02d0d270 (diff)
NFSv4: Support recalling delegations by stateid part 2
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--fs/nfs/delegation.c2
-rw-r--r--fs/nfs/delegation.h2
-rw-r--r--fs/nfs/nfs4proc.c10
3 files changed, 6 insertions, 8 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index cee2ba42b68d..93a9f4bd9bd0 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -76,7 +76,7 @@ again:
76 continue; 76 continue;
77 get_nfs_open_context(ctx); 77 get_nfs_open_context(ctx);
78 spin_unlock(&inode->i_lock); 78 spin_unlock(&inode->i_lock);
79 err = nfs4_open_delegation_recall(ctx, state); 79 err = nfs4_open_delegation_recall(ctx, state, stateid);
80 if (err >= 0) 80 if (err >= 0)
81 err = nfs_delegation_claim_locks(ctx, state); 81 err = nfs_delegation_claim_locks(ctx, state);
82 put_nfs_open_context(ctx); 82 put_nfs_open_context(ctx);
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index 7b22f1742445..8f79a3135167 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -39,7 +39,7 @@ void nfs_delegation_reap_unclaimed(struct nfs_client *clp);
39 39
40/* NFSv4 delegation-related procedures */ 40/* NFSv4 delegation-related procedures */
41int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid); 41int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid);
42int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state); 42int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid);
43int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl); 43int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl);
44int nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode); 44int nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode);
45 45
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 03b60c67ca7c..10946415de77 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -510,32 +510,30 @@ static int nfs4_open_reclaim(struct nfs4_state_owner *sp, struct nfs4_state *sta
510 return ret; 510 return ret;
511} 511}
512 512
513static int _nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state) 513static int _nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid)
514{ 514{
515 struct nfs4_state_owner *sp = state->owner; 515 struct nfs4_state_owner *sp = state->owner;
516 struct nfs4_opendata *opendata; 516 struct nfs4_opendata *opendata;
517 int ret; 517 int ret;
518 518
519 if (!test_bit(NFS_DELEGATED_STATE, &state->flags))
520 return 0;
521 opendata = nfs4_opendata_alloc(&ctx->path, sp, 0, NULL); 519 opendata = nfs4_opendata_alloc(&ctx->path, sp, 0, NULL);
522 if (opendata == NULL) 520 if (opendata == NULL)
523 return -ENOMEM; 521 return -ENOMEM;
524 opendata->o_arg.claim = NFS4_OPEN_CLAIM_DELEGATE_CUR; 522 opendata->o_arg.claim = NFS4_OPEN_CLAIM_DELEGATE_CUR;
525 memcpy(opendata->o_arg.u.delegation.data, state->stateid.data, 523 memcpy(opendata->o_arg.u.delegation.data, stateid->data,
526 sizeof(opendata->o_arg.u.delegation.data)); 524 sizeof(opendata->o_arg.u.delegation.data));
527 ret = nfs4_open_recover(opendata, state); 525 ret = nfs4_open_recover(opendata, state);
528 nfs4_opendata_put(opendata); 526 nfs4_opendata_put(opendata);
529 return ret; 527 return ret;
530} 528}
531 529
532int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state) 530int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid)
533{ 531{
534 struct nfs4_exception exception = { }; 532 struct nfs4_exception exception = { };
535 struct nfs_server *server = NFS_SERVER(state->inode); 533 struct nfs_server *server = NFS_SERVER(state->inode);
536 int err; 534 int err;
537 do { 535 do {
538 err = _nfs4_open_delegation_recall(ctx, state); 536 err = _nfs4_open_delegation_recall(ctx, state, stateid);
539 switch (err) { 537 switch (err) {
540 case 0: 538 case 0:
541 return err; 539 return err;