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authorChristoph Hellwig <hch@lst.de>2020-11-24 09:36:54 +0100
committerJens Axboe <axboe@kernel.dk>2020-12-01 22:53:40 +0100
commit8446fe9255be821cb38ffd306d7e8edc4b9ea662 (patch)
tree7da651adc11c5df03c517255cd6872a92705f150 /block/blk.h
parentblock: allocate struct hd_struct as part of struct bdev_inode (diff)
downloadlinux-8446fe9255be821cb38ffd306d7e8edc4b9ea662.tar.xz
linux-8446fe9255be821cb38ffd306d7e8edc4b9ea662.zip
block: switch partition lookup to use struct block_device
Use struct block_device to lookup partitions on a disk. This removes all usage of struct hd_struct from the I/O path. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Hannes Reinecke <hare@suse.de> Acked-by: Coly Li <colyli@suse.de> [bcache] Acked-by: Chao Yu <yuchao0@huawei.com> [f2fs] Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk.h')
-rw-r--r--block/blk.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/blk.h b/block/blk.h
index 32ac41f7557f..d5bf8f3a0781 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -215,7 +215,7 @@ static inline void elevator_exit(struct request_queue *q,
__elevator_exit(q, e);
}
-struct hd_struct *__disk_get_part(struct gendisk *disk, int partno);
+struct block_device *__disk_get_part(struct gendisk *disk, int partno);
ssize_t part_size_show(struct device *dev, struct device_attribute *attr,
char *buf);
@@ -348,7 +348,7 @@ void blk_queue_free_zone_bitmaps(struct request_queue *q);
static inline void blk_queue_free_zone_bitmaps(struct request_queue *q) {}
#endif
-struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector);
+struct block_device *disk_map_sector_rcu(struct gendisk *disk, sector_t sector);
int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
void blk_free_devt(dev_t devt);