fs/configfs: use pr_fmt

Add pr_fmt based on module name.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h
index b5f0a3b..bd4a3c1 100644
--- a/fs/configfs/configfs_internal.h
+++ b/fs/configfs/configfs_internal.h
@@ -24,6 +24,12 @@
  * configfs Copyright (C) 2005 Oracle.  All rights reserved.
  */
 
+#ifdef pr_fmt
+#undef pr_fmt
+#endif
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/slab.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 727d06e..668dcab 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1699,7 +1699,7 @@
 	struct dentry *root = dentry->d_sb->s_root;
 
 	if (dentry->d_parent != root) {
-		pr_err("configfs: Tried to unregister non-subsystem!\n");
+		pr_err("Tried to unregister non-subsystem!\n");
 		return;
 	}
 
@@ -1709,7 +1709,7 @@
 	mutex_lock(&configfs_symlink_mutex);
 	spin_lock(&configfs_dirent_lock);
 	if (configfs_detach_prep(dentry, NULL)) {
-		pr_err("configfs: Tried to unregister non-empty subsystem!\n");
+		pr_err("Tried to unregister non-empty subsystem!\n");
 	}
 	spin_unlock(&configfs_dirent_lock);
 	mutex_unlock(&configfs_symlink_mutex);
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index fbb30db..5946ad9 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -168,7 +168,7 @@
 			 * In practice the maximum level of locking depth is
 			 * already reached. Just inform about possible reasons.
 			 */
-			pr_info("configfs: Too many levels of inodes for the locking correctness validator.\n");
+			pr_info("Too many levels of inodes for the locking correctness validator.\n");
 			pr_info("Spurious warnings may appear.\n");
 		}
 	}
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index af08de0..f6c2858 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -85,7 +85,7 @@
 		/* directory inodes start off with i_nlink == 2 (for "." entry) */
 		inc_nlink(inode);
 	} else {
-		pr_debug("configfs: could not get root inode\n");
+		pr_debug("could not get root inode\n");
 		return -ENOMEM;
 	}
 
@@ -155,7 +155,7 @@
 
 	return 0;
 out4:
-	pr_err("configfs: Unable to register filesystem!\n");
+	pr_err("Unable to register filesystem!\n");
 	configfs_inode_exit();
 out3:
 	kobject_put(config_kobj);