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NFSv4: Support recalling delegations by stateid part 2

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2007-07-06 15:10:43 -04:00
parent 9016302784
commit 13437e12fb
3 changed files with 6 additions and 8 deletions
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2
fs/nfs/delegation.c
View File

@ -76,7 +76,7 @@ static void nfs_delegation_claim_opens(struct inode *inode, const nfs4_stateid *
continue;
get_nfs_open_context(ctx);
spin_unlock(&inode->i_lock);
err = nfs4_open_delegation_recall(ctx, state);
err = nfs4_open_delegation_recall(ctx, state, stateid);
if (err >= 0)
err = nfs_delegation_claim_locks(ctx, state);
put_nfs_open_context(ctx);

2
fs/nfs/delegation.h
View File

@ -39,7 +39,7 @@ void nfs_delegation_reap_unclaimed(struct nfs_client *clp);
/* NFSv4 delegation-related procedures */
int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid);
int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state);
int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid);
int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl);
int nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode);

10
fs/nfs/nfs4proc.c
View File

@ -510,32 +510,30 @@ static int nfs4_open_reclaim(struct nfs4_state_owner *sp, struct nfs4_state *sta
return ret;
}
static int _nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state)
static int _nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid)
{
struct nfs4_state_owner *sp = state->owner;
struct nfs4_opendata *opendata;
int ret;
if (!test_bit(NFS_DELEGATED_STATE, &state->flags))
return 0;
opendata = nfs4_opendata_alloc(&ctx->path, sp, 0, NULL);
if (opendata == NULL)
return -ENOMEM;
opendata->o_arg.claim = NFS4_OPEN_CLAIM_DELEGATE_CUR;
memcpy(opendata->o_arg.u.delegation.data, state->stateid.data,
memcpy(opendata->o_arg.u.delegation.data, stateid->data,
sizeof(opendata->o_arg.u.delegation.data));
ret = nfs4_open_recover(opendata, state);
nfs4_opendata_put(opendata);
return ret;
}
int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state)
int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid)
{
struct nfs4_exception exception = { };
struct nfs_server *server = NFS_SERVER(state->inode);
int err;
do {
err = _nfs4_open_delegation_recall(ctx, state);
err = _nfs4_open_delegation_recall(ctx, state, stateid);
switch (err) {
case 0:
return err;