diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-05-27 07:24:14 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-05-27 05:21:23 -0600 |
| commit | 58d4f14fc30ac26288cfed74d7e566921c22cf59 (patch) | |
| tree | b55c90cab60c05e5bc5676d45110827a3818a23b /block/partitions | |
| parent | 9123bf6f21b015cce16f3ce066c72aac9fc78d2f (diff) | |
block: always use a percpu variable for disk stats
percpu variables have a perfectly fine working stub implementation
for UP kernels, so use that.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/partitions')
| -rw-r--r-- | block/partitions/core.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/partitions/core.c b/block/partitions/core.c index 297004fd2264..78951e33b2d7 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -387,7 +387,8 @@ static struct hd_struct *add_partition(struct gendisk *disk, int partno, if (!p) return ERR_PTR(-EBUSY); - if (!init_part_stats(p)) { + p->dkstats = alloc_percpu(struct disk_stats); + if (!p->dkstats) { err = -ENOMEM; goto out_free; } @@ -468,7 +469,7 @@ static struct hd_struct *add_partition(struct gendisk *disk, int partno, out_free_info: kfree(p->info); out_free_stats: - free_part_stats(p); + free_percpu(p->dkstats); out_free: kfree(p); return ERR_PTR(err); |