source: mainline/uspace/lib/c/include/vfs/vfs_mtab.h@ d96d9bc

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since d96d9bc was 8ffedd8, checked in by Jakub Jermar <jakub@…>, 8 years ago

Partially revive support for mount table listing and walking

This implementation is purely client-based. Using a simple file system
traversal, the library figures out what are the actual mountpoints. It
only discovers mountpoints that it can reach from its VFS root.

The benefit is that this works and produces reasonable results even in
the environment of per-client VFS roots, whereas a global mount table
would present paths that might not make any sense to the client
(notwithstanding the fact that VFS no longer knows the mountpoint
paths).

Listing of file system names is still broken as of this commit.

  • Property mode set to 100644
File size: 1.7 KB
Line 
1/*
2 * Copyright (c) 2011 Maurizio Lombardi
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libc
30 * @{
31 */
32/** @file
33 */
34
35#ifndef LIBC_VFS_MTAB_H_
36#define LIBC_VFS_MTAB_H_
37
38#include <sys/types.h>
39#include <ipc/vfs.h>
40#include <adt/list.h>
41
42typedef struct mtab_ent {
43 link_t link;
44 char mp[MAX_PATH_LEN];
45 char fs_name[FS_NAME_MAXLEN];
46 service_id_t service_id;
47} mtab_ent_t;
48
49#endif
50
51/** @}
52 */
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