diff options
Diffstat (limited to 'nuttx/fs/nxffs/nxffs_blockstats.c')
| -rw-r--r-- | nuttx/fs/nxffs/nxffs_blockstats.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/nuttx/fs/nxffs/nxffs_blockstats.c b/nuttx/fs/nxffs/nxffs_blockstats.c deleted file mode 100644 index 348374e67..000000000 --- a/nuttx/fs/nxffs/nxffs_blockstats.c +++ /dev/null @@ -1,152 +0,0 @@ -/**************************************************************************** - * fs/nxffs/nxffs_blockstats.c - * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * References: Linux/Documentation/filesystems/romfs.txt - * - * 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 <string.h> -#include <errno.h> -#include <debug.h> - -#include <nuttx/mtd.h> - -#include "nxffs.h" - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Public Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: nxffs_blockstats - * - * Description: - * Analyze the NXFFS volume. This operation must be performed when the - * volume is first mounted in order to detect if the volume has been - * formatted and contains a usable NXFFS file system. - * - * Input Parameters: - * volume - Describes the current NXFFS volume. - * stats - On return, will hold nformation describing the state of the - * volume. - * - * Returned Value: - * Negated errnos are returned only in the case of MTD reported failures. - * Nothing in the volume data itself will generate errors. - * - ****************************************************************************/ - -int nxffs_blockstats(FAR struct nxffs_volume_s *volume, - FAR struct nxffs_blkstats_s *stats) -{ - FAR uint8_t *bptr; /* Pointer to next block data */ - off_t ioblock; /* I/O block number */ - int lblock; /* Logical block index */ - int ret; - - /* Process each erase block */ - - memset(stats, 0, sizeof(struct nxffs_blkstats_s)); - - for (ioblock = 0; ioblock < volume->nblocks; ioblock += volume->blkper) - { - /* Read the full erase block */ - - ret = MTD_BREAD(volume->mtd, ioblock, volume->blkper, volume->pack); - if (ret < volume->blkper) - { - fdbg("Failed to read erase block %d: %d\n", ioblock / volume->blkper, -ret); - return ret; - } - - /* Process each logical block */ - - for (bptr = volume->pack, lblock = 0; - lblock < volume->blkper; - bptr += volume->geo.blocksize, lblock++) - { - FAR struct nxffs_block_s *blkhdr = (FAR struct nxffs_block_s*)bptr; - - /* Collect statistics */ - - stats->nblocks++; - if (memcmp(blkhdr->magic, g_blockmagic, NXFFS_MAGICSIZE) != 0) - { - stats->nunformat++; - } - else if (blkhdr->state == BLOCK_STATE_BAD) - { - stats->nbad++; - } - else if (blkhdr->state == BLOCK_STATE_GOOD) - { - stats-> ngood++; - } - else - { - stats->ncorrupt++; - } - } - } - - fdbg("Number blocks: %d\n", stats->nblocks); - fdbg(" Good blocks: %d\n", stats->ngood); - fdbg(" Bad blocks: %d\n", stats->nbad); - fdbg(" Unformatted blocks: %d\n", stats->nunformat); - fdbg(" Corrupt blocks: %d\n", stats->ncorrupt); - return OK; -} - - |