proc: introduce proc_create_net{,_data}
Variants of proc_create{,_data} that directly take a struct seq_operations
and deal with network namespaces in ->open and ->release. All callers of
proc_create + seq_open_net converted over, and seq_{open,release}_net are
removed entirely.
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index b9129e2..bbc91d7 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1067,7 +1067,6 @@ void nfs_clients_init(struct net *net)
}
#ifdef CONFIG_PROC_FS
-static int nfs_server_list_open(struct inode *inode, struct file *file);
static void *nfs_server_list_start(struct seq_file *p, loff_t *pos);
static void *nfs_server_list_next(struct seq_file *p, void *v, loff_t *pos);
static void nfs_server_list_stop(struct seq_file *p, void *v);
@@ -1080,14 +1079,6 @@ static const struct seq_operations nfs_server_list_ops = {
.show = nfs_server_list_show,
};
-static const struct file_operations nfs_server_list_fops = {
- .open = nfs_server_list_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release_net,
-};
-
-static int nfs_volume_list_open(struct inode *inode, struct file *file);
static void *nfs_volume_list_start(struct seq_file *p, loff_t *pos);
static void *nfs_volume_list_next(struct seq_file *p, void *v, loff_t *pos);
static void nfs_volume_list_stop(struct seq_file *p, void *v);
@@ -1100,23 +1091,6 @@ static const struct seq_operations nfs_volume_list_ops = {
.show = nfs_volume_list_show,
};
-static const struct file_operations nfs_volume_list_fops = {
- .open = nfs_volume_list_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release_net,
-};
-
-/*
- * open "/proc/fs/nfsfs/servers" which provides a summary of servers with which
- * we're dealing
- */
-static int nfs_server_list_open(struct inode *inode, struct file *file)
-{
- return seq_open_net(inode, file, &nfs_server_list_ops,
- sizeof(struct seq_net_private));
-}
-
/*
* set up the iterator to start reading from the server list and return the first item
*/
@@ -1185,15 +1159,6 @@ static int nfs_server_list_show(struct seq_file *m, void *v)
}
/*
- * open "/proc/fs/nfsfs/volumes" which provides a summary of extant volumes
- */
-static int nfs_volume_list_open(struct inode *inode, struct file *file)
-{
- return seq_open_net(inode, file, &nfs_volume_list_ops,
- sizeof(struct seq_net_private));
-}
-
-/*
* set up the iterator to start reading from the volume list and return the first item
*/
static void *nfs_volume_list_start(struct seq_file *m, loff_t *_pos)
@@ -1278,14 +1243,14 @@ int nfs_fs_proc_net_init(struct net *net)
goto error_0;
/* a file of servers with which we're dealing */
- p = proc_create("servers", S_IFREG|S_IRUGO,
- nn->proc_nfsfs, &nfs_server_list_fops);
+ p = proc_create_net("servers", S_IFREG|S_IRUGO, nn->proc_nfsfs,
+ &nfs_server_list_ops, sizeof(struct seq_net_private));
if (!p)
goto error_1;
/* a file of volumes that we have mounted */
- p = proc_create("volumes", S_IFREG|S_IRUGO,
- nn->proc_nfsfs, &nfs_volume_list_fops);
+ p = proc_create_net("volumes", S_IFREG|S_IRUGO, nn->proc_nfsfs,
+ &nfs_volume_list_ops, sizeof(struct seq_net_private));
if (!p)
goto error_1;
return 0;