diff options
Diffstat (limited to 'nuttx/fs/fs_inoderemove.c')
| -rw-r--r-- | nuttx/fs/fs_inoderemove.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/nuttx/fs/fs_inoderemove.c b/nuttx/fs/fs_inoderemove.c deleted file mode 100644 index c349b1759..000000000 --- a/nuttx/fs/fs_inoderemove.c +++ /dev/null @@ -1,161 +0,0 @@ -/**************************************************************************** - * fs/fs_inoderemove.c - * - * Copyright (C) 2007-2009 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 - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <errno.h> - -#include <nuttx/kmalloc.h> -#include <nuttx/fs/fs.h> - -#include "fs_internal.h" - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Public Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: inode_unlink - ****************************************************************************/ - -static void inode_unlink(struct inode *node, - struct inode *peer, - struct inode *parent) -{ - /* If peer is non-null, then remove the node from the right of - * of that peer node. - */ - - if (peer) - { - peer->i_peer = node->i_peer; - } - - /* If parent is non-null, then remove the node from head of - * of the list of children. - */ - - else if (parent) - { - parent->i_child = node->i_peer; - } - - /* Otherwise, we must be removing the root inode. */ - - else - { - root_inode = node->i_peer; - } - - node->i_peer = NULL; -} - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: inode_remove - * - * Description: - * Remove a node from the in-memory, inode tree - * - * NOTE: Caller must hold the inode semaphore - * - ****************************************************************************/ - -int inode_remove(FAR const char *path) -{ - const char *name = path; - FAR struct inode *node; - FAR struct inode *left; - FAR struct inode *parent; - - if (!*path || path[0] != '/') - { - return -EINVAL; - } - - /* Find the node to delete */ - - node = inode_search(&name, &left, &parent, (const char **)NULL); - if (node) - { - /* Found it, now remove it from the tree */ - - inode_unlink(node, left, parent); - - /* We cannot delete it if there reference to the inode */ - - if (node->i_crefs) - { - /* In that case, we will mark it deleted, when the FS - * releases the inode, we will then, finally delete - * the subtree. - */ - - node->i_flags |= FSNODEFLAG_DELETED; - return -EBUSY; - } - else - { - /* And delete it now -- recursively to delete all of its children */ - - inode_free(node->i_child); - kfree(node); - return OK; - } - } - - /* The node does not exist or it has references */ - - return -ENOENT; -} |