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-rw-r--r--fs/nfsd/nfs4state.c62
-rw-r--r--fs/nfsd/nfs4xdr.c6
-rw-r--r--fs/nfsd/nfsctl.c3
-rw-r--r--fs/nfsd/state.h2
4 files changed, 48 insertions, 25 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index a20c2c9d7d45..a366fb1c1b9b 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2789,15 +2789,18 @@ static int nfs4_show_open(struct seq_file *s, struct nfs4_stid *st)
deny & NFS4_SHARE_ACCESS_READ ? "r" : "-",
deny & NFS4_SHARE_ACCESS_WRITE ? "w" : "-");
- spin_lock(&nf->fi_lock);
- file = find_any_file_locked(nf);
- if (file) {
- nfs4_show_superblock(s, file);
- seq_puts(s, ", ");
- nfs4_show_fname(s, file);
- seq_puts(s, ", ");
- }
- spin_unlock(&nf->fi_lock);
+ if (nf) {
+ spin_lock(&nf->fi_lock);
+ file = find_any_file_locked(nf);
+ if (file) {
+ nfs4_show_superblock(s, file);
+ seq_puts(s, ", ");
+ nfs4_show_fname(s, file);
+ seq_puts(s, ", ");
+ }
+ spin_unlock(&nf->fi_lock);
+ } else
+ seq_puts(s, "closed, ");
nfs4_show_owner(s, oo);
if (st->sc_status & SC_STATUS_ADMIN_REVOKED)
seq_puts(s, ", admin-revoked");
@@ -3075,9 +3078,9 @@ nfsd4_cb_getattr_release(struct nfsd4_callback *cb)
struct nfs4_delegation *dp =
container_of(ncf, struct nfs4_delegation, dl_cb_fattr);
- nfs4_put_stid(&dp->dl_stid);
clear_bit(CB_GETATTR_BUSY, &ncf->ncf_cb_flags);
wake_up_bit(&ncf->ncf_cb_flags, CB_GETATTR_BUSY);
+ nfs4_put_stid(&dp->dl_stid);
}
static const struct nfsd4_callback_ops nfsd4_cb_recall_any_ops = {
@@ -8812,7 +8815,7 @@ nfsd4_get_writestateid(struct nfsd4_compound_state *cstate,
/**
* nfsd4_deleg_getattr_conflict - Recall if GETATTR causes conflict
* @rqstp: RPC transaction context
- * @inode: file to be checked for a conflict
+ * @dentry: dentry of inode to be checked for a conflict
* @modified: return true if file was modified
* @size: new size of file if modified is true
*
@@ -8827,16 +8830,16 @@ nfsd4_get_writestateid(struct nfsd4_compound_state *cstate,
* code is returned.
*/
__be32
-nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct inode *inode,
+nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct dentry *dentry,
bool *modified, u64 *size)
{
__be32 status;
struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
struct file_lock_context *ctx;
struct file_lease *fl;
- struct nfs4_delegation *dp;
struct iattr attrs;
struct nfs4_cb_fattr *ncf;
+ struct inode *inode = d_inode(dentry);
*modified = false;
ctx = locks_inode_context(inode);
@@ -8856,17 +8859,26 @@ nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct inode *inode,
*/
if (type == F_RDLCK)
break;
- goto break_lease;
+
+ nfsd_stats_wdeleg_getattr_inc(nn);
+ spin_unlock(&ctx->flc_lock);
+
+ status = nfserrno(nfsd_open_break_lease(inode, NFSD_MAY_READ));
+ if (status != nfserr_jukebox ||
+ !nfsd_wait_for_delegreturn(rqstp, inode))
+ return status;
+ return 0;
}
if (type == F_WRLCK) {
- dp = fl->c.flc_owner;
+ struct nfs4_delegation *dp = fl->c.flc_owner;
+
if (dp->dl_recall.cb_clp == *(rqstp->rq_lease_breaker)) {
spin_unlock(&ctx->flc_lock);
return 0;
}
-break_lease:
nfsd_stats_wdeleg_getattr_inc(nn);
dp = fl->c.flc_owner;
+ refcount_inc(&dp->dl_stid.sc_count);
ncf = &dp->dl_cb_fattr;
nfs4_cb_getattr(&dp->dl_cb_fattr);
spin_unlock(&ctx->flc_lock);
@@ -8876,27 +8888,37 @@ break_lease:
/* Recall delegation only if client didn't respond */
status = nfserrno(nfsd_open_break_lease(inode, NFSD_MAY_READ));
if (status != nfserr_jukebox ||
- !nfsd_wait_for_delegreturn(rqstp, inode))
+ !nfsd_wait_for_delegreturn(rqstp, inode)) {
+ nfs4_put_stid(&dp->dl_stid);
return status;
+ }
}
if (!ncf->ncf_file_modified &&
(ncf->ncf_initial_cinfo != ncf->ncf_cb_change ||
ncf->ncf_cur_fsize != ncf->ncf_cb_fsize))
ncf->ncf_file_modified = true;
if (ncf->ncf_file_modified) {
+ int err;
+
/*
* Per section 10.4.3 of RFC 8881, the server would
* not update the file's metadata with the client's
* modified size
*/
attrs.ia_mtime = attrs.ia_ctime = current_time(inode);
- attrs.ia_valid = ATTR_MTIME | ATTR_CTIME;
- setattr_copy(&nop_mnt_idmap, inode, &attrs);
- mark_inode_dirty(inode);
+ attrs.ia_valid = ATTR_MTIME | ATTR_CTIME | ATTR_DELEG;
+ inode_lock(inode);
+ err = notify_change(&nop_mnt_idmap, dentry, &attrs, NULL);
+ inode_unlock(inode);
+ if (err) {
+ nfs4_put_stid(&dp->dl_stid);
+ return nfserrno(err);
+ }
ncf->ncf_cur_fsize = ncf->ncf_cb_fsize;
*size = ncf->ncf_cur_fsize;
*modified = true;
}
+ nfs4_put_stid(&dp->dl_stid);
return 0;
}
break;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 42b41d55d4ed..97f583777972 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3545,6 +3545,9 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
args.dentry = dentry;
args.ignore_crossmnt = (ignore_crossmnt != 0);
args.acl = NULL;
+#ifdef CONFIG_NFSD_V4_SECURITY_LABEL
+ args.context = NULL;
+#endif
/*
* Make a local copy of the attribute bitmap that can be modified.
@@ -3562,7 +3565,7 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
}
args.size = 0;
if (attrmask[0] & (FATTR4_WORD0_CHANGE | FATTR4_WORD0_SIZE)) {
- status = nfsd4_deleg_getattr_conflict(rqstp, d_inode(dentry),
+ status = nfsd4_deleg_getattr_conflict(rqstp, dentry,
&file_modified, &size);
if (status)
goto out;
@@ -3617,7 +3620,6 @@ nfsd4_encode_fattr4(struct svc_rqst *rqstp, struct xdr_stream *xdr,
args.contextsupport = false;
#ifdef CONFIG_NFSD_V4_SECURITY_LABEL
- args.context = NULL;
if ((attrmask[2] & FATTR4_WORD2_SECURITY_LABEL) ||
attrmask[0] & FATTR4_WORD0_SUPPORTED_ATTRS) {
if (exp->ex_flags & NFSEXP_SECURITY_LABEL)
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 9e0ea6fc2aa3..34eb2c2cbcde 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -2069,8 +2069,7 @@ int nfsd_nl_listener_set_doit(struct sk_buff *skb, struct genl_info *info)
continue;
}
- ret = svc_xprt_create_from_sa(serv, xcl_name, net, sa,
- SVC_SOCK_ANONYMOUS,
+ ret = svc_xprt_create_from_sa(serv, xcl_name, net, sa, 0,
get_current_cred());
/* always save the latest error */
if (ret < 0)
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index ffc217099d19..ec4559ecd193 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -781,5 +781,5 @@ static inline bool try_to_expire_client(struct nfs4_client *clp)
}
extern __be32 nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp,
- struct inode *inode, bool *file_modified, u64 *size);
+ struct dentry *dentry, bool *file_modified, u64 *size);
#endif /* NFSD4_STATE_H */