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block: kill disk_{check|set|clear|alloc}_badblocks

Browse source 
These actions are completely managed by a block driver or can use the
badblocks api directly.

Signed-off-by: Dan Williams <[email protected]>
This commit is contained in:
Dan Williams 2016-01-05 00:28:18 -08:00
commit 55f5560d8c
2 changed files with 0 additions and 47 deletions
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42
block/genhd.c
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@ -506,16 +506,6 @@ static int exact_lock(dev_t devt, void *data)
return 0;
}
int disk_alloc_badblocks(struct gendisk *disk)
{
disk->bb = kzalloc(sizeof(*(disk->bb)), GFP_KERNEL);
if (!disk->bb)
return -ENOMEM;
return badblocks_init(disk->bb, 1);
}
EXPORT_SYMBOL(disk_alloc_badblocks);
static void register_disk(struct gendisk *disk)
{
struct device *ddev = disk_to_dev(disk);
@ -682,38 +672,6 @@ void del_gendisk(struct gendisk *disk)
}
EXPORT_SYMBOL(del_gendisk);
/*
* The gendisk usage of badblocks does not track acknowledgements for
* badblocks. We always assume they are acknowledged.
*/
int disk_check_badblocks(struct gendisk *disk, sector_t s, int sectors,
sector_t *first_bad, int *bad_sectors)
{
if (!disk->bb)
return 0;
return badblocks_check(disk->bb, s, sectors, first_bad, bad_sectors);
}
EXPORT_SYMBOL(disk_check_badblocks);
int disk_set_badblocks(struct gendisk *disk, sector_t s, int sectors)
{
if (!disk->bb)
return 0;
return badblocks_set(disk->bb, s, sectors, 1);
}
EXPORT_SYMBOL(disk_set_badblocks);
int disk_clear_badblocks(struct gendisk *disk, sector_t s, int sectors)
{
if (!disk->bb)
return 0;
return badblocks_clear(disk->bb, s, sectors);
}
EXPORT_SYMBOL(disk_clear_badblocks);
/* sysfs access to bad-blocks list. */
static ssize_t disk_badblocks_show(struct device *dev,
struct device_attribute *attr,