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authorKinglong Mee <kinglongmee@gmail.com>2015-07-01 23:00:29 +0800
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-07-01 11:29:41 -0400
commit6a062a3687c20b80362b04e1ae7c9772d511977d (patch)
tree47515eb109ab56efda9abc0cadf295bcc2f5912b /fs/nfs
parent71f81e51ee0dc6d523a5229096c32eca2ab58bbb (diff)
downloadlinux-6a062a3687c20b80362b04e1ae7c9772d511977d.tar.bz2
nfs: Use remove_proc_subtree() instead remove_proc_entry()
Thanks for Al Viro's comments of killing proc_fs_nfs completely. Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/client.c25
1 files changed, 7 insertions, 18 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 7b3e5c367f5b..ecebb406cc1a 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -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 @@ error_0:
*/
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 */