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block: remove alloc_part_info and free_part_info

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There isn't any good reason not to simply open code the allocation and
freeing of the partition_meta_info structure.  Especially as one of
the branches in alloc_part_info is entirely dead code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-03-24 08:25:14 +01:00 committed by Jens Axboe
parent 3ad5cee5cd
commit f17c21c1ec
2 changed files with 5 additions and 16 deletions
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6
block/partition-generic.c
View File

@ -249,7 +249,9 @@ struct hd_struct *add_partition(struct gendisk *disk, int partno,
p->policy = get_disk_ro(disk);
if (info) {
struct partition_meta_info *pinfo = alloc_part_info(disk);
struct partition_meta_info *pinfo;
pinfo = kzalloc_node(sizeof(*pinfo), GFP_KERNEL, disk->node_id);
if (!pinfo) {
err = -ENOMEM;
goto out_free_stats;
@ -308,7 +310,7 @@ struct hd_struct *add_partition(struct gendisk *disk, int partno,
return p;
out_free_info:
free_part_info(p);
kfree(p->info);
out_free_stats:
free_part_stats(p);
out_free:

15
include/linux/genhd.h
View File

@ -465,19 +465,6 @@ void part_dec_in_flight(struct request_queue *q, struct hd_struct *part,
void part_inc_in_flight(struct request_queue *q, struct hd_struct *part,
int rw);
static inline struct partition_meta_info *alloc_part_info(struct gendisk *disk)
{
if (disk)
return kzalloc_node(sizeof(struct partition_meta_info),
GFP_KERNEL, disk->node_id);
return kzalloc(sizeof(struct partition_meta_info), GFP_KERNEL);
}
static inline void free_part_info(struct hd_struct *part)
{
kfree(part->info);
}
void update_io_ticks(struct hd_struct *part, unsigned long now);
/* block/genhd.c */
@ -755,7 +742,7 @@ static inline void hd_struct_kill(struct hd_struct *part)
static inline void hd_free_part(struct hd_struct *part)
{
free_part_stats(part);
free_part_info(part);
kfree(part->info);
percpu_ref_exit(&part->ref);
}