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genhd: Rename get_disk() to get_disk_and_module() 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
block/genhd.c
View File

@ -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,