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block: switch ->getgeo() to struct gendisk

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Instances are happier that way and it makes more sense anyway -
the only part of the result that is related to partition we are given
is the start sector, and that has been filled in by the caller.

Everything else is a function of the disk.  Only one instance
(DASD) is ever looking at anything other than bdev->bd_disk and
that one is trivial to adjust.

Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2024-05-21 22:19:55 -04:00
parent 3eb50369c0
commit 4fc8728aa3
27 changed files with 59 additions and 59 deletions
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2
include/linux/blkdev.h
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@@ -1659,7 +1659,7 @@ struct block_device_operations {
unsigned int (*check_events) (struct gendisk *disk,
unsigned int clearing);
void (*unlock_native_capacity) (struct gendisk *);
int (*getgeo)(struct block_device *, struct hd_geometry *);
int (*getgeo)(struct gendisk *, struct hd_geometry *);
int (*set_read_only)(struct block_device *bdev, bool ro);
void (*free_disk)(struct gendisk *disk);
/* this callback is with swap_lock and sometimes page table lock held */