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null_blk: clean up the block device operations

Browse source 
Remove the pointless stub open and release methods, give the operations
vector a slightly less confusing name, and use normal alignment for the
assignment operators.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Damien Le Moal <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Christoph Hellwig 2019-11-11 11:39:26 +09:00 • committed by Jaegeuk Kim
commit 328cd4190b
1 changed files with 4 additions and 15 deletions
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19
drivers/block/null_blk_main.c
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@ -1442,20 +1442,9 @@ static void null_config_discard(struct nullb *nullb)
blk_queue_flag_set(QUEUE_FLAG_DISCARD, nullb->q);
}
static int null_open(struct block_device *bdev, fmode_t mode)
{
return 0;
}
static void null_release(struct gendisk *disk, fmode_t mode)
{
}
static const struct block_device_operations null_fops = {
.owner = THIS_MODULE,
.open = null_open,
.release = null_release,
.report_zones = null_zone_report,
static const struct block_device_operations null_ops = {
.owner = THIS_MODULE,
.report_zones = null_zone_report,
};
static void null_init_queue(struct nullb *nullb, struct nullb_queue *nq)
@ -1556,7 +1545,7 @@ static int null_gendisk_register(struct nullb *nullb)
disk->flags |= GENHD_FL_EXT_DEVT | GENHD_FL_SUPPRESS_PARTITION_INFO;
disk->major = null_major;
disk->first_minor = nullb->index;
disk->fops = &null_fops;
disk->fops = &null_ops;
disk->private_data = nullb;
disk->queue = nullb->q;
strncpy(disk->disk_name, nullb->disk_name, DISK_NAME_LEN);