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genhd: Rename get_disk() to get_disk_and_module()

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Rename get_disk() to get_disk_and_module() to make sure what the
function does. It's not a great name but at least it is now clear that
put_disk() is not it's counterpart.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jan Kara 2018-02-26 13:01:38 +01:00 committed by Jens Axboe
parent d52987b524
commit 3079c22ea8
10 changed files with 13 additions and 15 deletions
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10
block/genhd.c
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@ -547,7 +547,7 @@ static int exact_lock(dev_t devt, void *data)
{
struct gendisk *p = data;
if (!get_disk(p))
if (!get_disk_and_module(p))
return -1;
return 0;
}
@ -809,7 +809,7 @@ struct gendisk *get_gendisk(dev_t devt, int *partno)
spin_lock_bh(&ext_devt_lock);
part = idr_find(&ext_devt_idr, blk_mangle_minor(MINOR(devt)));
if (part && get_disk(part_to_disk(part))) {
if (part && get_disk_and_module(part_to_disk(part))) {
*partno = part->partno;
disk = part_to_disk(part);
}
@ -1456,7 +1456,7 @@ struct gendisk *__alloc_disk_node(int minors, int node_id)
}
EXPORT_SYMBOL(__alloc_disk_node);
struct kobject *get_disk(struct gendisk *disk)
struct kobject *get_disk_and_module(struct gendisk *disk)
{
struct module *owner;
struct kobject *kobj;
@ -1474,15 +1474,13 @@ struct kobject *get_disk(struct gendisk *disk)
return kobj;
}
EXPORT_SYMBOL(get_disk);
EXPORT_SYMBOL(get_disk_and_module);
void put_disk(struct gendisk *disk)
{
if (disk)
kobject_put(&disk_to_dev(disk)->kobj);
}
EXPORT_SYMBOL(put_disk);
static void set_disk_ro_uevent(struct gendisk *gd, int ro)

2
drivers/block/amiflop.c
View File

@ -1758,7 +1758,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
if (unit[drive].type->code == FD_NODRIVE)
return NULL;
*part = 0;
return get_disk(unit[drive].gendisk);
return get_disk_and_module(unit[drive].gendisk);
}
static int __init amiga_floppy_probe(struct platform_device *pdev)

2
drivers/block/ataflop.c
View File

@ -1917,7 +1917,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
if (drive >= FD_MAX_UNITS || type > NUM_DISK_MINORS)
return NULL;
*part = 0;
return get_disk(unit[drive].disk);
return get_disk_and_module(unit[drive].disk);
}
static int __init atari_floppy_init (void)

2
drivers/block/brd.c
View File

@ -456,7 +456,7 @@ static struct kobject *brd_probe(dev_t dev, int *part, void *data)
mutex_lock(&brd_devices_mutex);
brd = brd_init_one(MINOR(dev) / max_part, &new);
kobj = brd ? get_disk(brd->brd_disk) : NULL;
kobj = brd ? get_disk_and_module(brd->brd_disk) : NULL;
mutex_unlock(&brd_devices_mutex);
if (new)

2
drivers/block/floppy.c
View File

@ -4505,7 +4505,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
if (((*part >> 2) & 0x1f) >= ARRAY_SIZE(floppy_type))
return NULL;
*part = 0;
return get_disk(disks[drive]);
return get_disk_and_module(disks[drive]);
}
static int __init do_floppy_init(void)

2
drivers/block/loop.c
View File

@ -1922,7 +1922,7 @@ static struct kobject *loop_probe(dev_t dev, int *part, void *data)
if (err < 0)
kobj = NULL;
else
kobj = get_disk(lo->lo_disk);
kobj = get_disk_and_module(lo->lo_disk);
mutex_unlock(&loop_index_mutex);
*part = 0;

2
drivers/block/swim.c
View File

@ -799,7 +799,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
return NULL;
*part = 0;
return get_disk(swd->unit[drive].disk);
return get_disk_and_module(swd->unit[drive].disk);
}
static int swim_add_floppy(struct swim_priv *swd, enum drive_location location)

2
drivers/block/z2ram.c
View File

@ -332,7 +332,7 @@ static const struct block_device_operations z2_fops =
static struct kobject *z2_find(dev_t dev, int *part, void *data)
{
*part = 0;
return get_disk(z2ram_gendisk);
return get_disk_and_module(z2ram_gendisk);
}
static struct request_queue *z2_queue;

2
drivers/ide/ide-probe.c
View File

@ -928,7 +928,7 @@ static int exact_lock(dev_t dev, void *data)
{
struct gendisk *p = data;
if (!get_disk(p))
if (!get_disk_and_module(p))
return -1;
return 0;
}

2
include/linux/genhd.h
View File

@ -600,7 +600,7 @@ extern void delete_partition(struct gendisk *, int);
extern void printk_all_partitions(void);
extern struct gendisk *__alloc_disk_node(int minors, int node_id);
extern struct kobject *get_disk(struct gendisk *disk);
extern struct kobject *get_disk_and_module(struct gendisk *disk);
extern void put_disk(struct gendisk *disk);
extern void blk_register_region(dev_t devt, unsigned long range,
struct module *module,