UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

mtd: mtd_oobtest: use mtd_test helpers 

Use mtdtest_scan_for_bad_eraseblocks(), mtdtest_erase_good_eraseblocks(),
and mtdtest_erase_eraseblock() in mtd_test helpers.

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>
This commit is contained in:
Akinobu Mita 2013-08-03 18:52:09 +09:00 committed by David Woodhouse
parent a995c79228
commit 4bf527aa53
1 changed files with 12 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

92
drivers/mtd/tests/oobtest.c
View File

@ -31,6 +31,8 @@
#include <linux/sched.h>
#include <linux/random.h>
#include "mtd_test.h"
static int dev = -EINVAL;
module_param(dev, int, S_IRUGO);
MODULE_PARM_DESC(dev, "MTD device number to use");
@ -49,49 +51,6 @@ static int use_len_max;
static int vary_offset;
static struct rnd_state rnd_state;
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 (err) {
pr_err("error %d while erasing EB %d\n", err, ebnum);
return err;
}
if (ei.state == MTD_ERASE_FAILED) {
pr_err("some erase error occurred at EB %d\n", ebnum);
return -EIO;
}
return 0;
}
static int erase_whole_device(void)
{
int err;
unsigned int i;
pr_info("erasing whole device\n");
for (i = 0; i < ebcnt; ++i) {
if (bbt[i])
continue;
err = erase_eraseblock(i);
if (err)
return err;
cond_resched();
}
pr_info("erased %u eraseblocks\n", i);
return 0;
}
static void do_vary_offset(void)
{
use_len -= 1;
@ -304,36 +263,6 @@ static int verify_all_eraseblocks(void)
return 0;
}
static int is_block_bad(int ebnum)
{
int ret;
loff_t addr = ebnum * mtd->erasesize;
ret = mtd_block_isbad(mtd, addr);
if (ret)
pr_info("block %d is bad\n", ebnum);
return ret;
}
static int scan_for_bad_eraseblocks(void)
{
int i, bad = 0;
bbt = kmalloc(ebcnt, GFP_KERNEL);
if (!bbt)
return -ENOMEM;
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_oobtest_init(void)
{
int err = 0;
@ -383,8 +312,11 @@ static int __init mtd_oobtest_init(void)
writebuf = kmalloc(mtd->erasesize, GFP_KERNEL);
if (!writebuf)
goto out;
bbt = kzalloc(ebcnt, GFP_KERNEL);
if (!bbt)
goto out;
err = scan_for_bad_eraseblocks();
err = mtdtest_scan_for_bad_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@ -396,7 +328,7 @@ static int __init mtd_oobtest_init(void)
/* First test: write all OOB, read it back and verify */
pr_info("test 1 of 5\n");
err = erase_whole_device();
err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@ -416,7 +348,7 @@ static int __init mtd_oobtest_init(void)
*/
pr_info("test 2 of 5\n");
err = erase_whole_device();
err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@ -446,7 +378,7 @@ static int __init mtd_oobtest_init(void)
*/
pr_info("test 3 of 5\n");
err = erase_whole_device();
err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@ -479,7 +411,7 @@ static int __init mtd_oobtest_init(void)
/* Fourth test: try to write off end of device */
pr_info("test 4 of 5\n");
err = erase_whole_device();
err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@ -571,7 +503,7 @@ static int __init mtd_oobtest_init(void)
errcnt += 1;
}
err = erase_eraseblock(ebcnt - 1);
err = mtdtest_erase_eraseblock(mtd, ebcnt - 1);
if (err)
goto out;
@ -620,7 +552,7 @@ static int __init mtd_oobtest_init(void)
pr_info("test 5 of 5\n");
/* Erase all eraseblocks */
err = erase_whole_device();
err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;