AcoSail/kernel_optimize_test
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block: partition: introduce hd_free_part()

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So the helper can be used in both generic partition
case and part0 case.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Ming Lei 2015-07-16 11:16:44 +08:00 committed by Jens Axboe
parent 21bdb584af
commit b54e5ed8f2
3 changed files with 8 additions and 4 deletions
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3
block/genhd.c
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@ -1110,8 +1110,7 @@ static void disk_release(struct device *dev)
disk_release_events(disk);
kfree(disk->random);
disk_replace_part_tbl(disk, NULL);
free_part_stats(&disk->part0);
free_part_info(&disk->part0);
hd_free_part(&disk->part0);
if (disk->queue)
blk_put_queue(disk->queue);
kfree(disk);

3
block/partition-generic.c
View File

@ -212,8 +212,7 @@ static void part_release(struct device *dev)
{
struct hd_struct *p = dev_to_part(dev);
blk_free_devt(dev->devt);
free_part_stats(p);
free_part_info(p);
hd_free_part(p);
kfree(p);
}

6
include/linux/genhd.h
View File

@ -663,6 +663,12 @@ static inline void hd_struct_put(struct hd_struct *part)
__delete_partition(part);
}
static inline void hd_free_part(struct hd_struct *part)
{
free_part_stats(part);
free_part_info(part);
}
/*
* Any access of part->nr_sects which is not protected by partition
* bd_mutex or gendisk bdev bd_mutex, should be done using this