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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;
-}
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-18 19:39:12 +0000