NFS: Remove the label from the nfs4_lookup_res struct
And usethe fattr's label field instead. I also adjust function calls to
remove labels along the way.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 92530c3..8a32797 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1494,19 +1494,17 @@ nfs_lookup_revalidate_dentry(struct inode *dir, struct dentry *dentry,
{
struct nfs_fh *fhandle;
struct nfs_fattr *fattr;
- struct nfs4_label *label;
unsigned long dir_verifier;
int ret;
ret = -ENOMEM;
fhandle = nfs_alloc_fhandle();
- fattr = nfs_alloc_fattr();
- label = nfs4_label_alloc(NFS_SERVER(inode), GFP_KERNEL);
- if (fhandle == NULL || fattr == NULL || IS_ERR(label))
+ fattr = nfs_alloc_fattr_with_label(NFS_SERVER(inode));
+ if (fhandle == NULL || fattr == NULL)
goto out;
dir_verifier = nfs_save_change_attribute(dir);
- ret = NFS_PROTO(dir)->lookup(dir, dentry, fhandle, fattr, label);
+ ret = NFS_PROTO(dir)->lookup(dir, dentry, fhandle, fattr);
if (ret < 0) {
switch (ret) {
case -ESTALE:
@@ -1525,7 +1523,7 @@ nfs_lookup_revalidate_dentry(struct inode *dir, struct dentry *dentry,
if (nfs_refresh_inode(inode, fattr) < 0)
goto out;
- nfs_setsecurity(inode, fattr, label);
+ nfs_setsecurity(inode, fattr, fattr->label);
nfs_set_verifier(dentry, dir_verifier);
/* set a readdirplus hint that we had a cache miss */
@@ -1534,7 +1532,6 @@ nfs_lookup_revalidate_dentry(struct inode *dir, struct dentry *dentry,
out:
nfs_free_fattr(fattr);
nfs_free_fhandle(fhandle);
- nfs4_label_free(label);
/*
* If the lookup failed despite the dentry change attribute being
@@ -1754,7 +1751,6 @@ struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, unsigned in
struct inode *inode = NULL;
struct nfs_fh *fhandle = NULL;
struct nfs_fattr *fattr = NULL;
- struct nfs4_label *label = NULL;
unsigned long dir_verifier;
int error;
@@ -1773,27 +1769,23 @@ struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, unsigned in
res = ERR_PTR(-ENOMEM);
fhandle = nfs_alloc_fhandle();
- fattr = nfs_alloc_fattr();
+ fattr = nfs_alloc_fattr_with_label(NFS_SERVER(dir));
if (fhandle == NULL || fattr == NULL)
goto out;
- label = nfs4_label_alloc(NFS_SERVER(dir), GFP_NOWAIT);
- if (IS_ERR(label))
- goto out;
-
dir_verifier = nfs_save_change_attribute(dir);
trace_nfs_lookup_enter(dir, dentry, flags);
- error = NFS_PROTO(dir)->lookup(dir, dentry, fhandle, fattr, label);
+ error = NFS_PROTO(dir)->lookup(dir, dentry, fhandle, fattr);
if (error == -ENOENT)
goto no_entry;
if (error < 0) {
res = ERR_PTR(error);
- goto out_label;
+ goto out;
}
- inode = nfs_fhget(dentry->d_sb, fhandle, fattr, label);
+ inode = nfs_fhget(dentry->d_sb, fhandle, fattr, fattr->label);
res = ERR_CAST(inode);
if (IS_ERR(res))
- goto out_label;
+ goto out;
/* Notify readdir to use READDIRPLUS */
nfs_force_use_readdirplus(dir);
@@ -1802,14 +1794,12 @@ struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, unsigned in
res = d_splice_alias(inode, dentry);
if (res != NULL) {
if (IS_ERR(res))
- goto out_label;
+ goto out;
dentry = res;
}
nfs_set_verifier(dentry, dir_verifier);
-out_label:
- trace_nfs_lookup_exit(dir, dentry, flags, PTR_ERR_OR_ZERO(res));
- nfs4_label_free(label);
out:
+ trace_nfs_lookup_exit(dir, dentry, flags, PTR_ERR_OR_ZERO(res));
nfs_free_fattr(fattr);
nfs_free_fhandle(fhandle);
return res;
@@ -2058,7 +2048,7 @@ nfs_add_or_obtain(struct dentry *dentry, struct nfs_fh *fhandle,
d_drop(dentry);
if (fhandle->size == 0) {
- error = NFS_PROTO(dir)->lookup(dir, dentry, fhandle, fattr, NULL);
+ error = NFS_PROTO(dir)->lookup(dir, dentry, fhandle, fattr);
if (error)
goto out_error;
}
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index bc0c698..3295af4 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -308,8 +308,7 @@ int nfs_submount(struct fs_context *fc, struct nfs_server *server)
/* Look it up again to get its attributes */
err = server->nfs_client->rpc_ops->lookup(d_inode(parent), dentry,
- ctx->mntfh, ctx->clone_data.fattr,
- NULL);
+ ctx->mntfh, ctx->clone_data.fattr);
dput(parent);
if (err != 0)
return err;
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index f752431..717eb65 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -193,8 +193,7 @@ __nfs3_proc_lookup(struct inode *dir, const char *name, size_t len,
static int
nfs3_proc_lookup(struct inode *dir, struct dentry *dentry,
- struct nfs_fh *fhandle, struct nfs_fattr *fattr,
- struct nfs4_label *label)
+ struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
unsigned short task_flags = 0;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index bde5b57..7af73fd 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4294,7 +4294,7 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
static int _nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir,
struct dentry *dentry, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr, struct nfs4_label *label)
+ struct nfs_fattr *fattr)
{
struct nfs_server *server = NFS_SERVER(dir);
int status;
@@ -4306,7 +4306,6 @@ static int _nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir,
struct nfs4_lookup_res res = {
.server = server,
.fattr = fattr,
- .label = label,
.fh = fhandle,
};
struct rpc_message msg = {
@@ -4323,7 +4322,7 @@ static int _nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir,
if (nfs_lookup_is_soft_revalidate(dentry))
task_flags |= RPC_TASK_TIMEOUT;
- args.bitmask = nfs4_bitmask(server, label);
+ args.bitmask = nfs4_bitmask(server, fattr->label);
nfs_fattr_init(fattr);
@@ -4345,7 +4344,7 @@ static void nfs_fixup_secinfo_attributes(struct nfs_fattr *fattr)
static int nfs4_proc_lookup_common(struct rpc_clnt **clnt, struct inode *dir,
struct dentry *dentry, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr, struct nfs4_label *label)
+ struct nfs_fattr *fattr)
{
struct nfs4_exception exception = {
.interruptible = true,
@@ -4354,7 +4353,7 @@ static int nfs4_proc_lookup_common(struct rpc_clnt **clnt, struct inode *dir,
const struct qstr *name = &dentry->d_name;
int err;
do {
- err = _nfs4_proc_lookup(client, dir, dentry, fhandle, fattr, label);
+ err = _nfs4_proc_lookup(client, dir, dentry, fhandle, fattr);
trace_nfs4_lookup(dir, name, err);
switch (err) {
case -NFS4ERR_BADNAME:
@@ -4390,13 +4389,12 @@ static int nfs4_proc_lookup_common(struct rpc_clnt **clnt, struct inode *dir,
}
static int nfs4_proc_lookup(struct inode *dir, struct dentry *dentry,
- struct nfs_fh *fhandle, struct nfs_fattr *fattr,
- struct nfs4_label *label)
+ struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
int status;
struct rpc_clnt *client = NFS_CLIENT(dir);
- status = nfs4_proc_lookup_common(&client, dir, dentry, fhandle, fattr, label);
+ status = nfs4_proc_lookup_common(&client, dir, dentry, fhandle, fattr);
if (client != NFS_CLIENT(dir)) {
rpc_shutdown_client(client);
nfs_fixup_secinfo_attributes(fattr);
@@ -4411,7 +4409,7 @@ nfs4_proc_lookup_mountpoint(struct inode *dir, struct dentry *dentry,
struct rpc_clnt *client = NFS_CLIENT(dir);
int status;
- status = nfs4_proc_lookup_common(&client, dir, dentry, fhandle, fattr, NULL);
+ status = nfs4_proc_lookup_common(&client, dir, dentry, fhandle, fattr);
if (status < 0)
return ERR_PTR(status);
return (client == NFS_CLIENT(dir)) ? rpc_clone_client(client) : client;
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 4c9d66f..960e2b2 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -6171,7 +6171,7 @@ static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
status = decode_getfh(xdr, res->fh);
if (status)
goto out;
- status = decode_getfattr_label(xdr, res->fattr, res->label, res->server);
+ status = decode_getfattr_label(xdr, res->fattr, res->fattr->label, res->server);
out:
return status;
}
@@ -6229,7 +6229,7 @@ static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp,
status = decode_getfh(xdr, res->fh);
if (status == 0)
status = decode_getfattr_label(xdr, res->fattr,
- res->label, res->server);
+ res->fattr->label, res->server);
out:
return status;
}
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index ecc4e71..98a8901 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -154,8 +154,7 @@ nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
static int
nfs_proc_lookup(struct inode *dir, struct dentry *dentry,
- struct nfs_fh *fhandle, struct nfs_fattr *fattr,
- struct nfs4_label *label)
+ struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
struct nfs_diropargs arg = {
.fh = NFS_FH(dir),