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nfsd: create get_nfsdfs_clp helper 

Factor our some common code.  No change in behavior.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2019-06-19 12:54:45 -04:00
parent 0c4b62b042
commit a204f25e37
1 changed files with 13 additions and 8 deletions
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21
fs/nfsd/nfs4state.c
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@ -2216,6 +2216,15 @@ find_stateid_by_type(struct nfs4_client *cl, stateid_t *t, char typemask)
return s;
}
static struct nfs4_client *get_nfsdfs_clp(struct inode *inode)
{
struct nfsdfs_client *nc;
nc = get_nfsdfs_client(inode);
if (!nc)
return NULL;
return container_of(nc, struct nfs4_client, cl_nfsdfs);
}
static void seq_quote_mem(struct seq_file *m, char *data, int len)
{
seq_printf(m, "\"");
@ -2226,14 +2235,12 @@ static void seq_quote_mem(struct seq_file *m, char *data, int len)
static int client_info_show(struct seq_file *m, void *v)
{
struct inode *inode = m->private;
struct nfsdfs_client *nc;
struct nfs4_client *clp;
u64 clid;
nc = get_nfsdfs_client(inode);
if (!nc)
clp = get_nfsdfs_clp(inode);
if (!clp)
return -ENXIO;
clp = container_of(nc, struct nfs4_client, cl_nfsdfs);
memcpy(&clid, &clp->cl_clientid, sizeof(clid));
seq_printf(m, "clientid: 0x%llx\n", clid);
seq_printf(m, "address: \"%pISpc\"\n", (struct sockaddr *)&clp->cl_addr);
@ -2444,15 +2451,13 @@ static struct seq_operations states_seq_ops = {
static int client_states_open(struct inode *inode, struct file *file)
{
struct nfsdfs_client *nc;
struct seq_file *s;
struct nfs4_client *clp;
int ret;
nc = get_nfsdfs_client(inode);
if (!nc)
clp = get_nfsdfs_clp(inode);
if (!clp)
return -ENXIO;
clp = container_of(nc, struct nfs4_client, cl_nfsdfs);
ret = seq_open(file, &states_seq_ops);
if (ret)