AcoSail/kernel_optimize_test
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mtd: Convert logging messages

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Use a more current logging style.

Convert homegrown ERROR/INFO macros to pr_<level>.
Convert homegrown parse_err macros to pr_err and
expand hidden flow control.

Signed-off-by: Joe Perches <joe@perches.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:
Joe Perches 2013-04-19 10:59:35 -07:00 committed by David Woodhouse
parent 4b6ff7afe8
commit a1c06609b3
1 changed files with 31 additions and 27 deletions
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58
drivers/mtd/devices/block2mtd.c
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@ -6,6 +6,9 @@
*
* Licence: GPL
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/blkdev.h>
@ -18,10 +21,6 @@
#include <linux/mount.h>
#include <linux/slab.h>
#define ERROR(fmt, args...) printk(KERN_ERR "block2mtd: " fmt "\n" , ## args)
#define INFO(fmt, args...) printk(KERN_INFO "block2mtd: " fmt "\n" , ## args)
/* Info for the block device */
struct block2mtd_dev {
struct list_head list;
@ -84,7 +83,7 @@ static int block2mtd_erase(struct mtd_info *mtd, struct erase_info *instr)
err = _block2mtd_erase(dev, from, len);
mutex_unlock(&dev->write_mutex);
if (err) {
ERROR("erase failed err = %d", err);
pr_err("erase failed err = %d\n", err);
instr->state = MTD_ERASE_FAILED;
} else
instr->state = MTD_ERASE_DONE;
@ -239,13 +238,13 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
#endif
if (IS_ERR(bdev)) {
ERROR("error: cannot open device %s", devname);
pr_err("error: cannot open device %s\n", devname);
goto devinit_err;
}
dev->blkdev = bdev;
if (MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) {
ERROR("attempting to use an MTD device as a block device");
pr_err("attempting to use an MTD device as a block device\n");
goto devinit_err;
}
@ -277,9 +276,10 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
goto devinit_err;
}
list_add(&dev->list, &blkmtd_device_list);
INFO("mtd%d: [%s] erase_size = %dKiB [%d]", dev->mtd.index,
dev->mtd.name + strlen("block2mtd: "),
dev->mtd.erasesize >> 10, dev->mtd.erasesize);
pr_info("mtd%d: [%s] erase_size = %dKiB [%d]\n",
dev->mtd.index,
dev->mtd.name + strlen("block2mtd: "),
dev->mtd.erasesize >> 10, dev->mtd.erasesize);
return dev;
devinit_err:
@ -339,17 +339,11 @@ static inline void kill_final_newline(char *str)
}
#define parse_err(fmt, args...) do { \
ERROR(fmt, ## args); \
return 0; \
} while (0)
#ifndef MODULE
static int block2mtd_init_called = 0;
static char block2mtd_paramline[80 + 12]; /* 80 for device, 12 for erase size */
#endif
static int block2mtd_setup2(const char *val)
{
char buf[80 + 12]; /* 80 for device, 12 for erase size */
@ -359,8 +353,10 @@ static int block2mtd_setup2(const char *val)
size_t erase_size = PAGE_SIZE;
int i, ret;
if (strnlen(val, sizeof(buf)) >= sizeof(buf))
parse_err("parameter too long");
if (strnlen(val, sizeof(buf)) >= sizeof(buf)) {
pr_err("parameter too long\n");
return 0;
}
strcpy(str, val);
kill_final_newline(str);
@ -368,20 +364,27 @@ static int block2mtd_setup2(const char *val)
for (i = 0; i < 2; i++)
token[i] = strsep(&str, ",");
if (str)
parse_err("too many arguments");
if (str) {
pr_err("too many arguments\n");
return 0;
}
if (!token[0])
parse_err("no argument");
if (!token[0]) {
pr_err("no argument\n");
return 0;
}
name = token[0];
if (strlen(name) + 1 > 80)
parse_err("device name too long");
if (strlen(name) + 1 > 80) {
pr_err("device name too long\n");
return 0;
}
if (token[1]) {
ret = parse_num(&erase_size, token[1]);
if (ret) {
parse_err("illegal erase size");
pr_err("illegal erase size\n");
return 0;
}
}
@ -444,8 +447,9 @@ static void block2mtd_exit(void)
struct block2mtd_dev *dev = list_entry(pos, typeof(*dev), list);
block2mtd_sync(&dev->mtd);
mtd_device_unregister(&dev->mtd);
INFO("mtd%d: [%s] removed", dev->mtd.index,
dev->mtd.name + strlen("block2mtd: "));
pr_info("mtd%d: [%s] removed\n",
dev->mtd.index,
dev->mtd.name + strlen("block2mtd: "));
list_del(&dev->list);
block2mtd_free_device(dev);
}