Add capability to traverse inodes in the NuttX psuedo-filesystem

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5004 7fd9a85b-ad96-42d3-883c-3090e2eb8679

12 files changed, 30 insertions, 19 deletions

diff --git a/nuttx/drivers/bch/Make.defs b/nuttx/drivers/bch/Make.defs
index 8dc36b8c4f..bc22df8e26 100644
--- a/nuttx/drivers/bch/Make.defs
+++ b/nuttx/drivers/bch/Make.defs
@@ -2,7 +2,7 @@
 # drivers/bch/Make.defs
 #
 #   Copyright (C) 2008, 2011 Gregory Nutt. All rights reserved.
-#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#   Author: Gregory Nutt <gnutt@nuttx.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
diff --git a/nuttx/drivers/bch/bch_internal.h b/nuttx/drivers/bch/bch_internal.h
index ffda8151eb..fb1c642367 100644
--- a/nuttx/drivers/bch/bch_internal.h
+++ b/nuttx/drivers/bch/bch_internal.h
@@ -2,7 +2,7 @@
  * drivers/bch/bch_internal.h
  *
  *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/drivers/bch/bchdev_driver.c b/nuttx/drivers/bch/bchdev_driver.c
index c80701449d..262a0af469 100644
--- a/nuttx/drivers/bch/bchdev_driver.c
+++ b/nuttx/drivers/bch/bchdev_driver.c
@@ -2,7 +2,7 @@
  * drivers/bch/bchdev_driver.c
  *
  *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/drivers/bch/bchdev_register.c b/nuttx/drivers/bch/bchdev_register.c
index 5bbedb6b92..924977371e 100644
--- a/nuttx/drivers/bch/bchdev_register.c
+++ b/nuttx/drivers/bch/bchdev_register.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * drivers/bch/bchdev_register.c
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -70,12 +70,13 @@
  * Name: bchdev_register
  *
  * Description:
- *   Setup so that it exports the block driver referenced by
- *   'blkdev' as a character device 'chardev'
+ *   Setup so that it exports the block driver referenced by 'blkdev' as a
+ *   character device 'chardev'
  *
  ****************************************************************************/
 
-int bchdev_register(const char *blkdev, const char *chardev, bool readonly)
+int bchdev_register(FAR const char *blkdev, FAR const char *chardev,
+                    bool readonly)
 {
   FAR void *handle;
   int ret;
diff --git a/nuttx/drivers/bch/bchdev_unregister.c b/nuttx/drivers/bch/bchdev_unregister.c
index 0532ff4aa1..8c7360882b 100644
--- a/nuttx/drivers/bch/bchdev_unregister.c
+++ b/nuttx/drivers/bch/bchdev_unregister.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * drivers/bch/bchdev_unregister.c
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -78,11 +78,12 @@
  * Name: bchdev_unregister
  *
  * Description:
- *   Undo the setup performed by losetup
+ *   Unregister character driver access to a block device that was created
+ *   by a previous call to bchdev_register().
  *
  ****************************************************************************/
 
-int bchdev_unregister(const char *chardev)
+int bchdev_unregister(FAR const char *chardev)
 {
   FAR struct bchlib_s *bch;
   int fd;
@@ -144,6 +145,7 @@ int bchdev_unregister(const char *chardev)
     {
       goto errout_with_lock;
     }
+
   sched_unlock();
 
   /* Release the internal structure */
diff --git a/nuttx/drivers/bch/bchlib_cache.c b/nuttx/drivers/bch/bchlib_cache.c
index e7eca9bff6..3b8212a13f 100644
--- a/nuttx/drivers/bch/bchlib_cache.c
+++ b/nuttx/drivers/bch/bchlib_cache.c
@@ -2,7 +2,7 @@
  * drivers/bch/bchlib_cache.c
  *
  *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/drivers/bch/bchlib_read.c b/nuttx/drivers/bch/bchlib_read.c
index 0f880ab2a1..f4fad10969 100644
--- a/nuttx/drivers/bch/bchlib_read.c
+++ b/nuttx/drivers/bch/bchlib_read.c
@@ -2,7 +2,7 @@
  * drivers/bch/bchlib_read.c
  *
  *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/drivers/bch/bchlib_sem.c b/nuttx/drivers/bch/bchlib_sem.c
index b0c67a997f..1698ed0a54 100644
--- a/nuttx/drivers/bch/bchlib_sem.c
+++ b/nuttx/drivers/bch/bchlib_sem.c
@@ -2,7 +2,7 @@
  * drivers/bch/bchlib_sem.c
  *
  *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/drivers/bch/bchlib_setup.c b/nuttx/drivers/bch/bchlib_setup.c
index 00a2eada84..1026248b5a 100644
--- a/nuttx/drivers/bch/bchlib_setup.c
+++ b/nuttx/drivers/bch/bchlib_setup.c
@@ -2,7 +2,7 @@
  * drivers/bch/bchlib_setup.c
  *
  *   Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/drivers/bch/bchlib_teardown.c b/nuttx/drivers/bch/bchlib_teardown.c
index a0c6592529..8657c4a697 100644
--- a/nuttx/drivers/bch/bchlib_teardown.c
+++ b/nuttx/drivers/bch/bchlib_teardown.c
@@ -2,7 +2,7 @@
  * drivers/bch/bchlib_teardown.c
  *
  *   Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/drivers/bch/bchlib_write.c b/nuttx/drivers/bch/bchlib_write.c
index fcba9ede81..8d7dcf26f9 100644
--- a/nuttx/drivers/bch/bchlib_write.c
+++ b/nuttx/drivers/bch/bchlib_write.c
@@ -2,7 +2,7 @@
  * drivers/bch/bchlib_write.c
  *
  *   Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/drivers/dev_zero.c b/nuttx/drivers/dev_zero.c
index 079126c061..5435f80ea2 100644
--- a/nuttx/drivers/dev_zero.c
+++ b/nuttx/drivers/dev_zero.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * drivers/dev_null.c
  *
- *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -121,6 +121,14 @@ static int devzero_poll(FAR struct file *filp, FAR struct pollfd *fds,
  * Public Functions
  ****************************************************************************/
 
+/****************************************************************************
+ * Name: devzero_register
+ *
+ * Description:
+ *   Register /dev/zero
+ *
+ ****************************************************************************/
+
 void devzero_register(void)
 {
   (void)register_driver("/dev/zero", &devzero_fops, 0666, NULL);