Commit 3e4f6290 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4: Send the delegation stateid for SETATTR calls



In the case where we hold a delegation stateid, use that in for inside
SETATTR calls.
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent f25bc349
......@@ -421,3 +421,22 @@ void nfs_delegation_reap_unclaimed(struct nfs4_client *clp)
nfs_free_delegation(delegation);
}
}
int nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode)
{
struct nfs4_client *clp = NFS_SERVER(inode)->nfs4_state;
struct nfs_inode *nfsi = NFS_I(inode);
struct nfs_delegation *delegation;
int res = 0;
if (nfsi->delegation_state == 0)
return 0;
spin_lock(&clp->cl_lock);
delegation = nfsi->delegation;
if (delegation != NULL) {
memcpy(dst->data, delegation->stateid.data, sizeof(dst->data));
res = 1;
}
spin_unlock(&clp->cl_lock);
return res;
}
......@@ -41,6 +41,7 @@ void nfs_delegation_reap_unclaimed(struct nfs4_client *clp);
int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4_stateid *stateid);
int nfs4_open_delegation_recall(struct dentry *dentry, struct nfs4_state *state);
int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl);
int nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode);
static inline int nfs_have_delegation(struct inode *inode, int flags)
{
......
......@@ -1018,12 +1018,12 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, struct dentry *dentry,
return res;
}
static int _nfs4_do_setattr(struct nfs_server *server, struct nfs_fattr *fattr,
struct nfs_fh *fhandle, struct iattr *sattr,
struct nfs4_state *state)
static int _nfs4_do_setattr(struct inode *inode, struct nfs_fattr *fattr,
struct iattr *sattr, struct nfs4_state *state)
{
struct nfs_server *server = NFS_SERVER(inode);
struct nfs_setattrargs arg = {
.fh = fhandle,
.fh = NFS_FH(inode),
.iap = sattr,
.server = server,
.bitmask = server->attr_bitmask,
......@@ -1042,7 +1042,9 @@ static int _nfs4_do_setattr(struct nfs_server *server, struct nfs_fattr *fattr,
nfs_fattr_init(fattr);
if (state != NULL) {
if (nfs4_copy_delegation_stateid(&arg.stateid, inode)) {
/* Use that stateid */
} else if (state != NULL) {
msg.rpc_cred = state->owner->so_cred;
nfs4_copy_stateid(&arg.stateid, state, current->files);
} else
......@@ -1054,16 +1056,15 @@ static int _nfs4_do_setattr(struct nfs_server *server, struct nfs_fattr *fattr,
return status;
}
static int nfs4_do_setattr(struct nfs_server *server, struct nfs_fattr *fattr,
struct nfs_fh *fhandle, struct iattr *sattr,
struct nfs4_state *state)
static int nfs4_do_setattr(struct inode *inode, struct nfs_fattr *fattr,
struct iattr *sattr, struct nfs4_state *state)
{
struct nfs_server *server = NFS_SERVER(inode);
struct nfs4_exception exception = { };
int err;
do {
err = nfs4_handle_exception(server,
_nfs4_do_setattr(server, fattr, fhandle, sattr,
state),
_nfs4_do_setattr(inode, fattr, sattr, state),
&exception);
} while (exception.retry);
return err;
......@@ -1504,8 +1505,7 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
if (ctx != NULL)
state = ctx->state;
status = nfs4_do_setattr(NFS_SERVER(inode), fattr,
NFS_FH(inode), sattr, state);
status = nfs4_do_setattr(inode, fattr, sattr, state);
if (status == 0)
nfs_setattr_update_inode(inode, sattr);
if (ctx != NULL)
......@@ -1824,8 +1824,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
d_instantiate(dentry, igrab(state->inode));
if (flags & O_EXCL) {
struct nfs_fattr fattr;
status = nfs4_do_setattr(NFS_SERVER(dir), &fattr,
NFS_FH(state->inode), sattr, state);
status = nfs4_do_setattr(state->inode, &fattr, sattr, state);
if (status == 0)
nfs_setattr_update_inode(state->inode, sattr);
}
......
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