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authorTrond Myklebust <trond.myklebust@primarydata.com>2018-03-21 00:03:13 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2018-04-10 23:06:22 +0300
commit35156bfff3c0cd44d0e2e674530e0817fd22b313 (patch)
tree976cd84abca95e267ed4596b6a59e6b17f3ef2f7
parent8b0649462407ec4192cacd0f283627b38f24aa5c (diff)
downloadlinux-35156bfff3c0cd44d0e2e674530e0817fd22b313.tar.xz
NFSv4: Fix the nfs_inode_set_delegation() arguments
Neither nfs_inode_set_delegation() nor nfs_inode_reclaim_delegation() are generic code. They have no business delving into NFSv4 OPEN xdr structures, so let's replace the "struct nfs_openres" parameter. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
-rw-r--r--fs/nfs/delegation.c35
-rw-r--r--fs/nfs/delegation.h6
-rw-r--r--fs/nfs/nfs4proc.c12
3 files changed, 34 insertions, 19 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index a5cb44375100..1819d0d0ba4b 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -172,11 +172,15 @@ again:
* nfs_inode_reclaim_delegation - process a delegation reclaim request
* @inode: inode to process
* @cred: credential to use for request
- * @res: new delegation state from server
+ * @type: delegation type
+ * @stateid: delegation stateid
+ * @pagemod_limit: write delegation "space_limit"
*
*/
void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred,
- struct nfs_openres *res)
+ fmode_t type,
+ const nfs4_stateid *stateid,
+ unsigned long pagemod_limit)
{
struct nfs_delegation *delegation;
struct rpc_cred *oldcred = NULL;
@@ -186,9 +190,9 @@ void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred,
if (delegation != NULL) {
spin_lock(&delegation->lock);
if (delegation->inode != NULL) {
- nfs4_stateid_copy(&delegation->stateid, &res->delegation);
- delegation->type = res->delegation_type;
- delegation->pagemod_limit = res->pagemod_limit;
+ nfs4_stateid_copy(&delegation->stateid, stateid);
+ delegation->type = type;
+ delegation->pagemod_limit = pagemod_limit;
oldcred = delegation->cred;
delegation->cred = get_rpccred(cred);
clear_bit(NFS_DELEGATION_NEED_RECLAIM,
@@ -196,14 +200,14 @@ void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred,
spin_unlock(&delegation->lock);
rcu_read_unlock();
put_rpccred(oldcred);
- trace_nfs4_reclaim_delegation(inode, res->delegation_type);
+ trace_nfs4_reclaim_delegation(inode, type);
return;
}
/* We appear to have raced with a delegation return. */
spin_unlock(&delegation->lock);
}
rcu_read_unlock();
- nfs_inode_set_delegation(inode, cred, res);
+ nfs_inode_set_delegation(inode, cred, type, stateid, pagemod_limit);
}
static int nfs_do_return_delegation(struct inode *inode, struct nfs_delegation *delegation, int issync)
@@ -330,11 +334,16 @@ nfs_update_inplace_delegation(struct nfs_delegation *delegation,
* nfs_inode_set_delegation - set up a delegation on an inode
* @inode: inode to which delegation applies
* @cred: cred to use for subsequent delegation processing
- * @res: new delegation state from server
+ * @type: delegation type
+ * @stateid: delegation stateid
+ * @pagemod_limit: write delegation "space_limit"
*
* Returns zero on success, or a negative errno value.
*/
-int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res)
+int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred,
+ fmode_t type,
+ const nfs4_stateid *stateid,
+ unsigned long pagemod_limit)
{
struct nfs_server *server = NFS_SERVER(inode);
struct nfs_client *clp = server->nfs_client;
@@ -346,9 +355,9 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct
delegation = kmalloc(sizeof(*delegation), GFP_NOFS);
if (delegation == NULL)
return -ENOMEM;
- nfs4_stateid_copy(&delegation->stateid, &res->delegation);
- delegation->type = res->delegation_type;
- delegation->pagemod_limit = res->pagemod_limit;
+ nfs4_stateid_copy(&delegation->stateid, stateid);
+ delegation->type = type;
+ delegation->pagemod_limit = pagemod_limit;
delegation->change_attr = inode_peek_iversion_raw(inode);
delegation->cred = get_rpccred(cred);
delegation->inode = inode;
@@ -393,7 +402,7 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct
rcu_assign_pointer(nfsi->delegation, delegation);
delegation = NULL;
- trace_nfs4_set_delegation(inode, res->delegation_type);
+ trace_nfs4_set_delegation(inode, type);
out:
spin_unlock(&clp->cl_lock);
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index dcc8a783a6e1..bb1ef8c37af4 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -36,8 +36,10 @@ enum {
NFS_DELEGATION_TEST_EXPIRED,
};
-int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res);
-void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res);
+int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred,
+ fmode_t type, const nfs4_stateid *stateid, unsigned long pagemod_limit);
+void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred,
+ fmode_t type, const nfs4_stateid *stateid, unsigned long pagemod_limit);
int nfs4_inode_return_delegation(struct inode *inode);
int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *stateid);
void nfs_inode_return_delegation_noreclaim(struct inode *inode);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 924238db5983..3eb53d7784e2 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1754,12 +1754,16 @@ nfs4_opendata_check_deleg(struct nfs4_opendata *data, struct nfs4_state *state)
}
if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
nfs_inode_set_delegation(state->inode,
- data->owner->so_cred,
- &data->o_res);
+ data->owner->so_cred,
+ data->o_res.delegation_type,
+ &data->o_res.delegation,
+ data->o_res.pagemod_limit);
else
nfs_inode_reclaim_delegation(state->inode,
- data->owner->so_cred,
- &data->o_res);
+ data->owner->so_cred,
+ data->o_res.delegation_type,
+ &data->o_res.delegation,
+ data->o_res.pagemod_limit);
}
/*