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Commit 6a062a36 authored by Kinglong Mee's avatar Kinglong Mee Committed by Trond Myklebust
Browse files

nfs: Use remove_proc_subtree() instead remove_proc_entry() 



Thanks for Al Viro's comments of killing proc_fs_nfs completely.

Signed-off-by: default avatarKinglong Mee <kinglongmee@gmail.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent 71f81e51

fs/nfs/client.c

+7 −18
Original line number Diff line number Diff line
@@ -1192,8 +1192,6 @@ void nfs_clients_init(struct net *net) 
}



#ifdef CONFIG_PROC_FS

static struct proc_dir_entry *proc_fs_nfs;



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);
@@ -1435,27 +1433,20 @@ void nfs_fs_proc_net_exit(struct net *net) 
 */

int __init nfs_fs_proc_init(void)

{

	struct proc_dir_entry *p;



	proc_fs_nfs = proc_mkdir("fs/nfsfs", NULL);

	if (!proc_fs_nfs)

	if (!proc_mkdir("fs/nfsfs", NULL))

		goto error_0;



	/* a file of servers with which we're dealing */

	p = proc_symlink("servers", proc_fs_nfs, "../../net/nfsfs/servers");

	if (!p)

	if (!proc_symlink("fs/nfsfs/servers", NULL, "../../net/nfsfs/servers"))

		goto error_1;



	/* a file of volumes that we have mounted */

	p = proc_symlink("volumes", proc_fs_nfs, "../../net/nfsfs/volumes");

	if (!p)

		goto error_2;

	return 0;

	if (!proc_symlink("fs/nfsfs/volumes", NULL, "../../net/nfsfs/volumes"))

		goto error_1;



error_2:

	remove_proc_entry("servers", proc_fs_nfs);

	return 0;

error_1:

	remove_proc_entry("fs/nfsfs", NULL);

	remove_proc_subtree("fs/nfsfs", NULL);

error_0:

	return -ENOMEM;

}
@@ -1465,9 +1456,7 @@ int __init nfs_fs_proc_init(void) 
 */

void nfs_fs_proc_exit(void)

{

	remove_proc_entry("volumes", proc_fs_nfs);

	remove_proc_entry("servers", proc_fs_nfs);

	remove_proc_entry("fs/nfsfs", NULL);

	remove_proc_subtree("fs/nfsfs", NULL);

}



#endif /* CONFIG_PROC_FS */