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block: pass a gendisk to ->open

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->open is only called on the whole device.  Make that explicit by
passing a gendisk instead of the block_device.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Christian Brauner <brauner@kernel.org>
Acked-by: Jack Wang <jinpu.wang@ionos.com>		[rnbd]
Link: https://lore.kernel.org/r/20230608110258.189493-9-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2023-06-08 13:02:36 +02:00
committed by Jens Axboe
parent 444aa2c58c
commit d32e2bf837
31 changed files with 102 additions and 107 deletions
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2
include/linux/blkdev.h
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@@ -1386,7 +1386,7 @@ struct block_device_operations {
void (*submit_bio)(struct bio *bio);
int (*poll_bio)(struct bio *bio, struct io_comp_batch *iob,
unsigned int flags);
int (*open) (struct block_device *, fmode_t);
int (*open)(struct gendisk *disk, fmode_t mode);
void (*release) (struct gendisk *, fmode_t);
int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);