proc: remove proc_root_fs

Use creation by full path instead: "fs/foo".

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

6 files changed, 12 insertions, 15 deletions

diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 0228ed06069e..cc950f69e51e 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -468,7 +468,7 @@ cifs_proc_init(void)
 {
         struct proc_dir_entry *pde;
 
-        proc_fs_cifs = proc_mkdir("cifs", proc_root_fs);
+        proc_fs_cifs = proc_mkdir("fs/cifs", NULL);
         if (proc_fs_cifs == NULL)
                 return;
 
@@ -559,7 +559,7 @@ cifs_proc_clean(void)
         remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs);
         remove_proc_entry("Experimental", proc_fs_cifs);
         remove_proc_entry("LookupCacheEnabled", proc_fs_cifs);
-        remove_proc_entry("cifs", proc_root_fs);
+        remove_proc_entry("fs/cifs", NULL);
 }
 
 static int
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index ef97f19c2f9d..1efcb934c2d6 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2867,7 +2867,6 @@ static void ext4_mb_free_committed_blocks(struct super_block *sb)
         mb_debug("freed %u blocks in %u structures\n", count, count2);
 }
 
-#define EXT4_ROOT                       "ext4"
 #define EXT4_MB_STATS_NAME              "stats"
 #define EXT4_MB_MAX_TO_SCAN_NAME        "max_to_scan"
 #define EXT4_MB_MIN_TO_SCAN_NAME        "min_to_scan"
@@ -3007,9 +3006,9 @@ int __init init_ext4_mballoc(void)
                 return -ENOMEM;
         }
 #ifdef CONFIG_PROC_FS
-        proc_root_ext4 = proc_mkdir(EXT4_ROOT, proc_root_fs);
+        proc_root_ext4 = proc_mkdir("fs/ext4", NULL);
         if (proc_root_ext4 == NULL)
-                printk(KERN_ERR "EXT4-fs: Unable to create %s\n", EXT4_ROOT);
+                printk(KERN_ERR "EXT4-fs: Unable to create fs/ext4\n");
 #endif
         return 0;
 }
@@ -3020,7 +3019,7 @@ void exit_ext4_mballoc(void)
         kmem_cache_destroy(ext4_pspace_cachep);
         kmem_cache_destroy(ext4_ac_cachep);
 #ifdef CONFIG_PROC_FS
-        remove_proc_entry(EXT4_ROOT, proc_root_fs);
+        remove_proc_entry("fs/ext4", NULL);
 #endif
 }
 
diff --git a/fs/jfs/jfs_debug.c b/fs/jfs/jfs_debug.c
index 887f5759e536..bf6ab19b86ee 100644
--- a/fs/jfs/jfs_debug.c
+++ b/fs/jfs/jfs_debug.c
@@ -89,7 +89,7 @@ void jfs_proc_init(void)
 {
         int i;
 
-        if (!(base = proc_mkdir("jfs", proc_root_fs)))
+        if (!(base = proc_mkdir("fs/jfs", NULL)))
                 return;
         base->owner = THIS_MODULE;
 
@@ -109,7 +109,7 @@ void jfs_proc_clean(void)
         if (base) {
                 for (i = 0; i < NPROCENT; i++)
                         remove_proc_entry(Entries[i].name, base);
-                remove_proc_entry("jfs", proc_root_fs);
+                remove_proc_entry("fs/jfs", NULL);
         }
 }
 
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index f2f3b284e6dd..0e066dcd4700 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1500,7 +1500,7 @@ int __init nfs_fs_proc_init(void)
 {
         struct proc_dir_entry *p;
 
-        proc_fs_nfs = proc_mkdir("nfsfs", proc_root_fs);
+        proc_fs_nfs = proc_mkdir("fs/nfsfs", NULL);
         if (!proc_fs_nfs)
                 goto error_0;
 
@@ -1526,7 +1526,7 @@ int __init nfs_fs_proc_init(void)
 error_2:
         remove_proc_entry("servers", proc_fs_nfs);
 error_1:
-        remove_proc_entry("nfsfs", proc_root_fs);
+        remove_proc_entry("fs/nfsfs", NULL);
 error_0:
         return -ENOMEM;
 }
@@ -1538,7 +1538,7 @@ void nfs_fs_proc_exit(void)
 {
         remove_proc_entry("volumes", proc_fs_nfs);
         remove_proc_entry("servers", proc_fs_nfs);
-        remove_proc_entry("nfsfs", proc_root_fs);
+        remove_proc_entry("fs/nfsfs", NULL);
 }
 
 #endif /* CONFIG_PROC_FS */
diff --git a/fs/proc/root.c b/fs/proc/root.c
index cc46fcba8029..596abb690afa 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -22,7 +22,7 @@
 
 #include "internal.h"
 
-struct proc_dir_entry *proc_root_fs, *proc_root_driver;
+struct proc_dir_entry *proc_root_driver;
 
 static int proc_test_super(struct super_block *sb, void *data)
 {
@@ -126,7 +126,7 @@ void __init proc_root_init(void)
 #ifdef CONFIG_SYSVIPC
         proc_mkdir("sysvipc", NULL);
 #endif
-        proc_root_fs = proc_mkdir("fs", NULL);
+        proc_mkdir("fs", NULL);
         proc_root_driver = proc_mkdir("driver", NULL);
         proc_mkdir("fs/nfsd", NULL); /* somewhere for the nfsd filesystem to be mounted */
 #if defined(CONFIG_SUN_OPENPROMFS) || defined(CONFIG_SUN_OPENPROMFS_MODULE)
@@ -235,5 +235,4 @@ EXPORT_SYMBOL(create_proc_entry);
 EXPORT_SYMBOL(proc_create);
 EXPORT_SYMBOL(remove_proc_entry);
 EXPORT_SYMBOL(proc_root);
-EXPORT_SYMBOL(proc_root_fs);
 EXPORT_SYMBOL(proc_root_driver);
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 78c8c41ea9cc..65582f0384e0 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -97,7 +97,6 @@ struct vmcore {
 #ifdef CONFIG_PROC_FS
 
 extern struct proc_dir_entry proc_root;
-extern struct proc_dir_entry *proc_root_fs;
 extern struct proc_dir_entry *proc_root_driver;
 extern struct proc_dir_entry *proc_root_kcore;