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-rw-r--r--fs/jffs/jffs_proc.c261
1 files changed, 0 insertions, 261 deletions
diff --git a/fs/jffs/jffs_proc.c b/fs/jffs/jffs_proc.c
deleted file mode 100644
index 9bdd99a557c2..000000000000
--- a/fs/jffs/jffs_proc.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/*
- * JFFS -- Journaling Flash File System, Linux implementation.
- *
- * Copyright (C) 2000 Axis Communications AB.
- *
- * Created by Simon Kagstrom <simonk@axis.com>.
- *
- * $Id: jffs_proc.c,v 1.5 2001/06/02 14:34:55 dwmw2 Exp $
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * Overview:
- * This file defines JFFS partition entries in the proc file system.
- *
- * TODO:
- * Create some more proc files for different kinds of info, i.e. statistics
- * about written and read bytes, number of calls to different routines,
- * reports about failures.
- */
-
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/jffs.h>
-#include <linux/slab.h>
-#include <linux/proc_fs.h>
-#include <linux/time.h>
-#include <linux/types.h>
-#include "jffs_fm.h"
-#include "jffs_proc.h"
-
-/*
- * Structure for a JFFS partition in the system
- */
-struct jffs_partition_dir {
- struct jffs_control *c;
- struct proc_dir_entry *part_root;
- struct proc_dir_entry *part_info;
- struct proc_dir_entry *part_layout;
- struct jffs_partition_dir *next;
-};
-
-/*
- * Structure for top-level entry in '/proc/fs' directory
- */
-struct proc_dir_entry *jffs_proc_root;
-
-/*
- * Linked list of 'jffs_partition_dirs' to help us track
- * the mounted JFFS partitions in the system
- */
-static struct jffs_partition_dir *jffs_part_dirs;
-
-/*
- * Read functions for entries
- */
-static int jffs_proc_info_read(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-static int jffs_proc_layout_read (char *page, char **start, off_t off,
- int count, int *eof, void *data);
-
-
-/*
- * Register a JFFS partition directory (called upon mount)
- */
-int jffs_register_jffs_proc_dir(int mtd, struct jffs_control *c)
-{
- struct jffs_partition_dir *part_dir;
- struct proc_dir_entry *part_info = NULL;
- struct proc_dir_entry *part_layout = NULL;
- struct proc_dir_entry *part_root = NULL;
- char name[10];
-
- sprintf(name, "%d", mtd);
- /* Allocate structure for local JFFS partition table */
- part_dir = (struct jffs_partition_dir *)
- kmalloc(sizeof (struct jffs_partition_dir), GFP_KERNEL);
- if (!part_dir)
- goto out;
-
- /* Create entry for this partition */
- part_root = proc_mkdir(name, jffs_proc_root);
- if (!part_root)
- goto out1;
-
- /* Create entry for 'info' file */
- part_info = create_proc_entry ("info", 0, part_root);
- if (!part_info)
- goto out2;
- part_info->read_proc = jffs_proc_info_read;
- part_info->data = (void *) c;
-
- /* Create entry for 'layout' file */
- part_layout = create_proc_entry ("layout", 0, part_root);
- if (!part_layout)
- goto out3;
- part_layout->read_proc = jffs_proc_layout_read;
- part_layout->data = (void *) c;
-
- /* Fill in structure for table and insert in the list */
- part_dir->c = c;
- part_dir->part_root = part_root;
- part_dir->part_info = part_info;
- part_dir->part_layout = part_layout;
- part_dir->next = jffs_part_dirs;
- jffs_part_dirs = part_dir;
-
- /* Return happy */
- return 0;
-
-out3:
- remove_proc_entry("info", part_root);
-out2:
- remove_proc_entry(name, jffs_proc_root);
-out1:
- kfree(part_dir);
-out:
- return -ENOMEM;
-}
-
-
-/*
- * Unregister a JFFS partition directory (called at umount)
- */
-int jffs_unregister_jffs_proc_dir(struct jffs_control *c)
-{
- struct jffs_partition_dir *part_dir = jffs_part_dirs;
- struct jffs_partition_dir *prev_part_dir = NULL;
-
- while (part_dir) {
- if (part_dir->c == c) {
- /* Remove entries for partition */
- remove_proc_entry (part_dir->part_info->name,
- part_dir->part_root);
- remove_proc_entry (part_dir->part_layout->name,
- part_dir->part_root);
- remove_proc_entry (part_dir->part_root->name,
- jffs_proc_root);
-
- /* Remove entry from list */
- if (prev_part_dir)
- prev_part_dir->next = part_dir->next;
- else
- jffs_part_dirs = part_dir->next;
-
- /*
- * Check to see if this is the last one
- * and remove the entry from '/proc/fs'
- * if it is.
- */
- if (jffs_part_dirs == part_dir->next)
- remove_proc_entry ("jffs", proc_root_fs);
-
- /* Free memory for entry */
- kfree(part_dir);
-
- /* Return happy */
- return 0;
- }
-
- /* Move to next entry */
- prev_part_dir = part_dir;
- part_dir = part_dir->next;
- }
-
- /* Return unhappy */
- return -1;
-}
-
-
-/*
- * Read a JFFS partition's `info' file
- */
-static int jffs_proc_info_read (char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct jffs_control *c = (struct jffs_control *) data;
- int len = 0;
-
- /* Get information on the parition */
- len += sprintf (page,
- "partition size: %08lX (%u)\n"
- "sector size: %08lX (%u)\n"
- "used size: %08lX (%u)\n"
- "dirty size: %08lX (%u)\n"
- "free size: %08lX (%u)\n\n",
- (unsigned long) c->fmc->flash_size, c->fmc->flash_size,
- (unsigned long) c->fmc->sector_size, c->fmc->sector_size,
- (unsigned long) c->fmc->used_size, c->fmc->used_size,
- (unsigned long) c->fmc->dirty_size, c->fmc->dirty_size,
- (unsigned long) (c->fmc->flash_size -
- (c->fmc->used_size + c->fmc->dirty_size)),
- c->fmc->flash_size - (c->fmc->used_size + c->fmc->dirty_size));
-
- /* We're done */
- *eof = 1;
-
- /* Return length */
- return len;
-}
-
-
-/*
- * Read a JFFS partition's `layout' file
- */
-static int jffs_proc_layout_read (char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct jffs_control *c = (struct jffs_control *) data;
- struct jffs_fm *fm = NULL;
- struct jffs_fm *last_fm = NULL;
- int len = 0;
-
- /* Get the first item in the list */
- fm = c->fmc->head;
-
- /* Print free space */
- if (fm && fm->offset) {
- len += sprintf (page, "00000000 %08lX free\n",
- (unsigned long) fm->offset);
- }
-
- /* Loop through all of the flash control structures */
- while (fm && (len < (off + count))) {
- if (fm->nodes) {
- len += sprintf (page + len,
- "%08lX %08lX ino=%08lX, ver=%08lX\n",
- (unsigned long) fm->offset,
- (unsigned long) fm->size,
- (unsigned long) fm->nodes->node->ino,
- (unsigned long) fm->nodes->node->version);
- }
- else {
- len += sprintf (page + len,
- "%08lX %08lX dirty\n",
- (unsigned long) fm->offset,
- (unsigned long) fm->size);
- }
- last_fm = fm;
- fm = fm->next;
- }
-
- /* Print free space */
- if ((len < (off + count)) && last_fm
- && (last_fm->offset < c->fmc->flash_size)) {
- len += sprintf (page + len,
- "%08lX %08lX free\n",
- (unsigned long) last_fm->offset +
- last_fm->size,
- (unsigned long) (c->fmc->flash_size -
- (last_fm->offset + last_fm->size)));
- }
-
- /* We're done */
- *eof = 1;
-
- /* Return length */
- return len;
-}
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