mtd: tests: rename sources in order to link a helper object

Each mtd test module have a single source whose name is the same as
the module name.  In order to link a single object including helper
functions to every test module, this rename these sources to the
different names.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Vikram Narayanan <vikram186@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 0 insertions, 321 deletions

diff --git a/drivers/mtd/tests/mtd_stresstest.c b/drivers/mtd/tests/mtd_stresstest.c
deleted file mode 100644
index 3a95e61b535..00000000000
--- a/drivers/mtd/tests/mtd_stresstest.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/*
- * Copyright (C) 2006-2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; see the file COPYING. If not, write to the Free Software
- * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Test random reads, writes and erases on MTD device.
- *
- * Author: Adrian Hunter <ext-adrian.hunter@nokia.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/err.h>
-#include <linux/mtd/mtd.h>
-#include <linux/slab.h>
-#include <linux/sched.h>
-#include <linux/vmalloc.h>
-#include <linux/random.h>
-
-static int dev = -EINVAL;
-module_param(dev, int, S_IRUGO);
-MODULE_PARM_DESC(dev, "MTD device number to use");
-
-static int count = 10000;
-module_param(count, int, S_IRUGO);
-MODULE_PARM_DESC(count, "Number of operations to do (default is 10000)");
-
-static struct mtd_info *mtd;
-static unsigned char *writebuf;
-static unsigned char *readbuf;
-static unsigned char *bbt;
-static int *offsets;
-
-static int pgsize;
-static int bufsize;
-static int ebcnt;
-static int pgcnt;
-
-static int rand_eb(void)
-{
-	unsigned int eb;
-
-again:
-	eb = prandom_u32();
-	/* Read or write up 2 eraseblocks at a time - hence 'ebcnt - 1' */
-	eb %= (ebcnt - 1);
-	if (bbt[eb])
-		goto again;
-	return eb;
-}
-
-static int rand_offs(void)
-{
-	unsigned int offs;
-
-	offs = prandom_u32();
-	offs %= bufsize;
-	return offs;
-}
-
-static int rand_len(int offs)
-{
-	unsigned int len;
-
-	len = prandom_u32();
-	len %= (bufsize - offs);
-	return len;
-}
-
-static int erase_eraseblock(int ebnum)
-{
-	int err;
-	struct erase_info ei;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	memset(&ei, 0, sizeof(struct erase_info));
-	ei.mtd  = mtd;
-	ei.addr = addr;
-	ei.len  = mtd->erasesize;
-
-	err = mtd_erase(mtd, &ei);
-	if (unlikely(err)) {
-		pr_err("error %d while erasing EB %d\n", err, ebnum);
-		return err;
-	}
-
-	if (unlikely(ei.state == MTD_ERASE_FAILED)) {
-		pr_err("some erase error occurred at EB %d\n",
-		       ebnum);
-		return -EIO;
-	}
-
-	return 0;
-}
-
-static int is_block_bad(int ebnum)
-{
-	loff_t addr = ebnum * mtd->erasesize;
-	int ret;
-
-	ret = mtd_block_isbad(mtd, addr);
-	if (ret)
-		pr_info("block %d is bad\n", ebnum);
-	return ret;
-}
-
-static int do_read(void)
-{
-	size_t read;
-	int eb = rand_eb();
-	int offs = rand_offs();
-	int len = rand_len(offs), err;
-	loff_t addr;
-
-	if (bbt[eb + 1]) {
-		if (offs >= mtd->erasesize)
-			offs -= mtd->erasesize;
-		if (offs + len > mtd->erasesize)
-			len = mtd->erasesize - offs;
-	}
-	addr = eb * mtd->erasesize + offs;
-	err = mtd_read(mtd, addr, len, &read, readbuf);
-	if (mtd_is_bitflip(err))
-		err = 0;
-	if (unlikely(err || read != len)) {
-		pr_err("error: read failed at 0x%llx\n",
-		       (long long)addr);
-		if (!err)
-			err = -EINVAL;
-		return err;
-	}
-	return 0;
-}
-
-static int do_write(void)
-{
-	int eb = rand_eb(), offs, err, len;
-	size_t written;
-	loff_t addr;
-
-	offs = offsets[eb];
-	if (offs >= mtd->erasesize) {
-		err = erase_eraseblock(eb);
-		if (err)
-			return err;
-		offs = offsets[eb] = 0;
-	}
-	len = rand_len(offs);
-	len = ((len + pgsize - 1) / pgsize) * pgsize;
-	if (offs + len > mtd->erasesize) {
-		if (bbt[eb + 1])
-			len = mtd->erasesize - offs;
-		else {
-			err = erase_eraseblock(eb + 1);
-			if (err)
-				return err;
-			offsets[eb + 1] = 0;
-		}
-	}
-	addr = eb * mtd->erasesize + offs;
-	err = mtd_write(mtd, addr, len, &written, writebuf);
-	if (unlikely(err || written != len)) {
-		pr_err("error: write failed at 0x%llx\n",
-		       (long long)addr);
-		if (!err)
-			err = -EINVAL;
-		return err;
-	}
-	offs += len;
-	while (offs > mtd->erasesize) {
-		offsets[eb++] = mtd->erasesize;
-		offs -= mtd->erasesize;
-	}
-	offsets[eb] = offs;
-	return 0;
-}
-
-static int do_operation(void)
-{
-	if (prandom_u32() & 1)
-		return do_read();
-	else
-		return do_write();
-}
-
-static int scan_for_bad_eraseblocks(void)
-{
-	int i, bad = 0;
-
-	bbt = kzalloc(ebcnt, GFP_KERNEL);
-	if (!bbt)
-		return -ENOMEM;
-
-	if (!mtd_can_have_bb(mtd))
-		return 0;
-
-	pr_info("scanning for bad eraseblocks\n");
-	for (i = 0; i < ebcnt; ++i) {
-		bbt[i] = is_block_bad(i) ? 1 : 0;
-		if (bbt[i])
-			bad += 1;
-		cond_resched();
-	}
-	pr_info("scanned %d eraseblocks, %d are bad\n", i, bad);
-	return 0;
-}
-
-static int __init mtd_stresstest_init(void)
-{
-	int err;
-	int i, op;
-	uint64_t tmp;
-
-	printk(KERN_INFO "\n");
-	printk(KERN_INFO "=================================================\n");
-
-	if (dev < 0) {
-		pr_info("Please specify a valid mtd-device via module parameter\n");
-		pr_crit("CAREFUL: This test wipes all data on the specified MTD device!\n");
-		return -EINVAL;
-	}
-
-	pr_info("MTD device: %d\n", dev);
-
-	mtd = get_mtd_device(NULL, dev);
-	if (IS_ERR(mtd)) {
-		err = PTR_ERR(mtd);
-		pr_err("error: cannot get MTD device\n");
-		return err;
-	}
-
-	if (mtd->writesize == 1) {
-		pr_info("not NAND flash, assume page size is 512 "
-		       "bytes.\n");
-		pgsize = 512;
-	} else
-		pgsize = mtd->writesize;
-
-	tmp = mtd->size;
-	do_div(tmp, mtd->erasesize);
-	ebcnt = tmp;
-	pgcnt = mtd->erasesize / pgsize;
-
-	pr_info("MTD device size %llu, eraseblock size %u, "
-	       "page size %u, count of eraseblocks %u, pages per "
-	       "eraseblock %u, OOB size %u\n",
-	       (unsigned long long)mtd->size, mtd->erasesize,
-	       pgsize, ebcnt, pgcnt, mtd->oobsize);
-
-	if (ebcnt < 2) {
-		pr_err("error: need at least 2 eraseblocks\n");
-		err = -ENOSPC;
-		goto out_put_mtd;
-	}
-
-	/* Read or write up 2 eraseblocks at a time */
-	bufsize = mtd->erasesize * 2;
-
-	err = -ENOMEM;
-	readbuf = vmalloc(bufsize);
-	writebuf = vmalloc(bufsize);
-	offsets = kmalloc(ebcnt * sizeof(int), GFP_KERNEL);
-	if (!readbuf || !writebuf || !offsets)
-		goto out;
-	for (i = 0; i < ebcnt; i++)
-		offsets[i] = mtd->erasesize;
-	prandom_bytes(writebuf, bufsize);
-
-	err = scan_for_bad_eraseblocks();
-	if (err)
-		goto out;
-
-	/* Do operations */
-	pr_info("doing operations\n");
-	for (op = 0; op < count; op++) {
-		if ((op & 1023) == 0)
-			pr_info("%d operations done\n", op);
-		err = do_operation();
-		if (err)
-			goto out;
-		cond_resched();
-	}
-	pr_info("finished, %d operations done\n", op);
-
-out:
-	kfree(offsets);
-	kfree(bbt);
-	vfree(writebuf);
-	vfree(readbuf);
-out_put_mtd:
-	put_mtd_device(mtd);
-	if (err)
-		pr_info("error %d occurred\n", err);
-	printk(KERN_INFO "=================================================\n");
-	return err;
-}
-module_init(mtd_stresstest_init);
-
-static void __exit mtd_stresstest_exit(void)
-{
-	return;
-}
-module_exit(mtd_stresstest_exit);
-
-MODULE_DESCRIPTION("Stress test module");
-MODULE_AUTHOR("Adrian Hunter");
-MODULE_LICENSE("GPL");