FS: Remove inode_find_nofollow. Instead provide a bool nofollow argument to inode_find.

fs/driver/fs_findblockdriver.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/driver/fs_openblockdriver.c
  *
- *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2008, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in pathname and binary forms, with or without
@@ -41,6 +41,7 @@
 
 #include <sys/types.h>
 #include <sys/mount.h>
+#include <stdbool.h>
 #include <debug.h>
 #include <errno.h>
 
@@ -93,7 +94,7 @@ int find_blockdriver(FAR const char *pathname, int mountflags, FAR struct inode
 
   /* Find the inode registered with this pathname */
 
-  inode = inode_find(pathname, NULL);
+  inode = inode_find(pathname, NULL, false);
   if (!inode)
     {
       ferr("ERROR: Failed to find %s\n", pathname);

fs/fat/fs_fat32attrib.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/fat/fs_fat32attrib.c
  *
- *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2011, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,6 +40,7 @@
 #include <nuttx/config.h>
 
 #include <stdint.h>
+#include <stdbool.h>
 #include <errno.h>
 
 #include <nuttx/fs/fs.h>
@@ -70,7 +71,7 @@ static int fat_attrib(const char *path, fat_attrib_t *retattrib,
 
   /* Get an inode for this file */
 
-  inode = inode_find(path, &relpath);
+  inode = inode_find(path, &relpath, false);
   if (!inode)
     {
       /* There is no mountpoint that includes in this path */

fs/inode/fs_inodefind.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/inode/fs_inodefind.c
  *
- *   Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -64,7 +64,8 @@
  *
  ****************************************************************************/
 
-FAR struct inode *inode_find(FAR const char *path, FAR const char **relpath)
+FAR struct inode *inode_find(FAR const char *path, FAR const char **relpath,
+                             bool nofollow)
 {
   struct inode_search_s desc;
   FAR struct inode *node = NULL;
@@ -83,7 +84,7 @@ FAR struct inode *inode_find(FAR const char *path, FAR const char **relpath)
   desc.path = path;
 
   inode_semtake();
-  ret = inode_search(&desc);
+  ret = nofollow ? inode_search_nofollow(&desc) : inode_search(&desc);
   if (ret >= 0)
     {
       /* Found it */
@@ -106,49 +107,3 @@ FAR struct inode *inode_find(FAR const char *path, FAR const char **relpath)
   inode_semgive();
   return node;
 }
-
-#ifdef CONFIG_PSEUDOFS_SOFTLINKS
-FAR struct inode *inode_find_nofollow(FAR const char *path,
-                                      FAR const char **relpath)
-{
-  struct inode_search_s desc;
-  FAR struct inode *node = NULL;
-  int ret;
-
-  if (path == NULL || *path != '/')
-    {
-      return NULL;
-    }
-
-  /* Find the node matching the path.  If found, increment the count of
-   * references on the node.
-   */
-
-  memset(&desc, 0, sizeof(struct inode_search_s));
-  desc.path = path;
-
-  inode_semtake();
-  ret = inode_search_nofollow(&desc);
-  if (ret >= 0)
-    {
-      /* Found it */
-
-      node = desc.node;
-      DEBUGASSERT(node != NULL);
-
-      /* Increment the reference count on the inode */
-
-      node->i_crefs++;
-
-      /* Return any remaining relative path fragment */
-
-      if (relpath != NULL)
-        {
-          *relpath = desc.relpath;
-        }
-    }
-
-  inode_semgive();
-  return node;
-}
-#endif

fs/inode/inode.h

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/inode/inode.h
  *
- *   Copyright (C) 2007, 2009, 2012, 2014 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007, 2009, 2012, 2014, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@
 
 #include <sys/types.h>
 #include <stdint.h>
+#include <stdbool.h>
 #include <dirent.h>
 
 #include <nuttx/fs/fs.h>
@@ -253,14 +254,8 @@ int inode_remove(FAR const char *path);
  *
  ****************************************************************************/
 
-FAR struct inode *inode_find(FAR const char *path, FAR const char **relpath);
-
-#ifdef CONFIG_PSEUDOFS_SOFTLINKS
-FAR struct inode *inode_find_nofollow(FAR const char *path,
-                                      FAR const char **relpath);
-#else
-#  define inode_find_nofollow(p,r) inode_find(p,r)
-#endif
+FAR struct inode *inode_find(FAR const char *path, FAR const char **relpath,
+                             bool nofollow);
 
 /****************************************************************************
  * Name: inode_addref

fs/mount/fs_mount.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/mount/fs_mount.c
  *
- *   Copyright (C) 2007-2009, 2011-2013, 2015 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2011-2013, 2015, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,6 +40,7 @@
 #include <nuttx/config.h>
 
 #include <sys/mount.h>
+#include <stdbool.h>
 #include <string.h>
 #include <errno.h>
 #include <assert.h>
@@ -280,7 +281,7 @@ int mount(FAR const char *source, FAR const char *target,
 #ifndef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
   /* Check if the inode already exists */
 
-  mountpt_inode = inode_find(target, NULL);
+  mountpt_inode = inode_find(target, NULL, false);
   if (mountpt_inode != NULL)
     {
       /* Successfully found.  The reference count on the inode has been

fs/mount/fs_umount2.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/mount/fs_umount2.c
  *
- *   Copyright (C) 2007-2009, 2015 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2015, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,6 +40,7 @@
 #include <nuttx/config.h>
 
 #include <sys/mount.h>
+#include <stdbool.h>
 #include <errno.h>
 #include <assert.h>
 
@@ -86,7 +87,7 @@ int umount2(FAR const char *target, unsigned int flags)
 
   /* Find the mountpt */
 
-  mountpt_inode = inode_find(target, NULL);
+  mountpt_inode = inode_find(target, NULL, false);
   if (!mountpt_inode)
     {
       errcode = ENOENT;

fs/mqueue/mq_open.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  *  fs/mqueue/mq_open.c
  *
- *   Copyright (C) 2007-2009, 2011, 2014-2015 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2011, 2014-2015, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,6 +39,7 @@
 
 #include <nuttx/config.h>
 
+#include <stdbool.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <sched.h>
@@ -128,11 +129,11 @@ mqd_t mq_open(FAR const char *mq_name, int oflags, ...)
   sched_lock();
 
   /* Get the inode for this mqueue.  This should succeed if the message
-   * queue has already been created.  In this case, inode_finde() will
+   * queue has already been created.  In this case, inode_find() will
    * have incremented the reference count on the inode.
    */
 
-  inode = inode_find(fullpath, &relpath);
+  inode = inode_find(fullpath, &relpath, false);
   if (inode)
     {
       /* It exists.  Verify that the inode is a message queue */

fs/mqueue/mq_unlink.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/mqueue/mq_unlink.c
  *
- *   Copyright (C) 2007, 2009, 2014 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007, 2009, 2014, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,6 +39,7 @@
 
 #include <nuttx/config.h>
 
+#include <stdbool.h>
 #include <stdio.h>
 #include <mqueue.h>
 #include <assert.h>
@@ -87,7 +88,7 @@ int mq_unlink(FAR const char *mq_name)
   /* Get the inode for this message queue. */
 
   sched_lock();
-  inode = inode_find(fullpath, &relpath);
+  inode = inode_find(fullpath, &relpath, false);
   if (!inode)
     {
       /* There is no inode that includes in this path */

fs/semaphore/sem_open.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/semaphore/sem_open.c
  *
- *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2014, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,6 +40,7 @@
 #include <nuttx/config.h>
 
 #include <stdint.h>
+#include <stdbool.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <fcntl.h>
@@ -129,11 +130,11 @@ FAR sem_t *sem_open (FAR const char *name, int oflags, ...)
       snprintf(fullpath, MAX_SEMPATH, CONFIG_FS_NAMED_SEMPATH "/%s", name);
 
       /* Get the inode for this semaphore.  This should succeed if the
-       * semaphore has already been created.  In this case, inode_finde()
+       * semaphore has already been created.  In this case, inode_find()
        * will have incremented the reference count on the inode.
        */
 
-      inode = inode_find(fullpath, &relpath);
+      inode = inode_find(fullpath, &relpath, false);
       if (inode)
         {
           /* It exists.  Verify that the inode is a semaphore */

fs/semaphore/sem_unlink.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/semaphore/sem_unlink.c
  *
- *   Copyright (C) 2007-2009, 2014 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2014, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,6 +39,7 @@
 
 #include <nuttx/config.h>
 
+#include <stdbool.h>
 #include <stdio.h>
 #include <semaphore.h>
 #include <sched.h>
@@ -91,7 +92,7 @@ int sem_unlink(FAR const char *name)
   /* Get the inode for this semaphore. */
 
   sched_lock();
-  inode = inode_find(fullpath, &relpath);
+  inode = inode_find(fullpath, &relpath, false);
   if (!inode)
     {
       /* There is no inode that includes in this path */

fs/unionfs/fs_unionfs.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/unionfs/fs_unionfs.c
  *
- *   Copyright (C) 2015 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2015, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -2445,7 +2445,7 @@ static int unionfs_getmount(FAR const char *path, FAR struct inode **inode)
 
   /* Find the mountpt */
 
-  minode = inode_find(path, NULL);
+  minode = inode_find(path, NULL, false);
   if (!minode)
     {
       /* Mountpoint inode not found */

fs/vfs/fs_link.c

@@ -41,6 +41,7 @@
 
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <stdbool.h>
 #include <unistd.h>
 #include <string.h>
 #include <errno.h>
@@ -105,7 +106,7 @@ int link(FAR const char *path1, FAR const char *path2)
    * does not lie on a mounted volume.
    */
 
-  inode = inode_find(path2, NULL);
+  inode = inode_find(path2, NULL, false);
   if (inode != NULL)
     {
 #ifndef CONFIG_DISABLE_MOUNTPOINT

fs/vfs/fs_mkdir.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/vfs/fs_mkdir.c
  *
- *   Copyright (C) 2007, 2008, 2014 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007, 2008, 2014, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,9 +38,12 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
+
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <stdbool.h>
 #include <errno.h>
+
 #include <nuttx/fs/fs.h>
 
 #include "inode/inode.h"
@@ -87,7 +90,7 @@ int mkdir(const char *pathname, mode_t mode)
 
   /* Find the inode that includes this path */
 
-  inode = inode_find(pathname, &relpath);
+  inode = inode_find(pathname, &relpath, false);
   if (inode)
     {
       /* An inode was found that includes this path and possibly refers to a

fs/vfs/fs_open.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/vfs/fs_open.c
  *
- *   Copyright (C) 2007-2009, 2011-2012, 2016 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2011-2012, 2016-2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -40,6 +40,7 @@
 #include <nuttx/config.h>
 
 #include <sys/types.h>
+#include <stdbool.h>
 #include <fcntl.h>
 #include <sched.h>
 #include <errno.h>
@@ -120,7 +121,7 @@ int open(const char *path, int oflags, ...)
 
   /* Get an inode for this file */
 
-  inode = inode_find(path, &relpath);
+  inode = inode_find(path, &relpath, false);
   if (!inode)
     {
       /* "O_CREAT is not set and the named file does not exist.  Or, a

fs/vfs/fs_readlink.c

@@ -40,6 +40,7 @@
 #include <nuttx/config.h>
 
 #include <sys/types.h>
+#include <stdbool.h>
 #include <string.h>
 #include <assert.h>
 #include <errno.h>
@@ -91,7 +92,7 @@ ssize_t readlink(FAR const char *path, FAR char *buf, size_t bufsize)
    * symbolic link node.
    */
 
-  node = inode_find_nofollow(path, &relpath);
+  node = inode_find(path, &relpath, true);
   if (node == NULL)
     {
       errcode = ENOENT;

fs/vfs/fs_rename.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/vfs/fs_rename.c
  *
- *   Copyright (C) 2007-2009, 2014 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2014, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,8 +39,10 @@
 
 #include <nuttx/config.h>
 
+#include <stdbool.h>
 #include <stdio.h>
 #include <errno.h>
+
 #include <nuttx/fs/fs.h>
 
 #include "inode/inode.h"
@@ -101,7 +103,7 @@ int rename(FAR const char *oldpath, FAR const char *newpath)
 
   /* Get an inode that includes the oldpath */
 
-  oldinode = inode_find(oldpath, &oldrelpath);
+  oldinode = inode_find(oldpath, &oldrelpath, true);
   if (!oldinode)
     {
       /* There is no inode that includes in this path */
@@ -115,11 +117,11 @@ int rename(FAR const char *oldpath, FAR const char *newpath)
 
   if (INODE_IS_MOUNTPT(oldinode) && oldinode->u.i_mops)
     {
-      /* Get an inode for the new relpath -- it should like on the same
+      /* Get an inode for the new relpath -- it should lie on the same
        * mountpoint
        */
 
-      newinode = inode_find(newpath, &newrelpath);
+      newinode = inode_find(newpath, &newrelpath, true);
       if (!newinode)
         {
           /* There is no mountpoint that includes in this path */

fs/vfs/fs_rmdir.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/vfs/fs_rmdir.c
  *
- *   Copyright (C) 2007-2009, 2014 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2014, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,8 +39,10 @@
 
 #include <nuttx/config.h>
 
+#include <stdbool.h>
 #include <unistd.h>
 #include <errno.h>
+
 #include <nuttx/fs/fs.h>
 
 #include "inode/inode.h"
@@ -89,7 +91,7 @@ int rmdir(FAR const char *pathname)
    * on the inode if one is found.
    */
 
-  inode = inode_find(pathname, &relpath);
+  inode = inode_find(pathname, &relpath, true);
   if (!inode)
     {
       /* There is no inode that includes in this path */

fs/vfs/fs_stat.c

@@ -40,6 +40,7 @@
 #include <nuttx/config.h>
 
 #include <sys/stat.h>
+#include <stdbool.h>
 #include <string.h>
 #include <sched.h>
 #include <errno.h>
@@ -233,7 +234,7 @@ int stat(FAR const char *path, FAR struct stat *buf)
 
   /* Get an inode for this file */
 
-  inode = inode_find_nofollow(path, &relpath);
+  inode = inode_find(path, &relpath, true);
   if (!inode)
     {
       /* This name does not refer to a psudeo-inode and there is no

fs/vfs/fs_statfs.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/vfs/fs_statfs.c
  *
- *   Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2012, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -105,7 +105,7 @@ int statfs(FAR const char *path, FAR struct statfs *buf)
 
   /* Get an inode for this file */
 
-  inode = inode_find(path, &relpath);
+  inode = inode_find(path, &relpath, false);
   if (!inode)
     {
       /* This name does not refer to a psudeo-inode and there is no

fs/vfs/fs_unlink.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * fs/vfs/fs_unlink.c
  *
- *   Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009, 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -39,8 +39,10 @@
 
 #include <nuttx/config.h>
 
+#include <stdbool.h>
 #include <unistd.h>
 #include <errno.h>
+
 #include <nuttx/fs/fs.h>
 
 #include "inode/inode.h"
@@ -89,7 +91,7 @@ int unlink(FAR const char *pathname)
    * which may be a symbolic link)
    */
 
-  inode = inode_find_nofollow(pathname, &relpath);
+  inode = inode_find(pathname, &relpath, true);
   if (!inode)
     {
       /* There is no inode that includes in this path */