[PATCH 24/45] block: remove i_bdev

[Hannes Reinecke]

On 11/28/20 5:14 PM, Christoph Hellwig wrote:
> Switch the block device lookup interfaces to directly work with a dev_t
> so that struct block_device references are only acquired by the
> blkdev_get variants (and the blk-cgroup special case).  This means that
> we now don't need an extra reference in the inode and can generally
> simplify handling of struct block_device to keep the lookups contained
> in the core block layer code.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> Reviewed-by: Jan Kara <jack at suse.cz>
> Acked-by: Tejun Heo <tj at kernel.org>
> Acked-by: Coly Li <colyli at suse.de>		[bcache]
> ---
>   block/ioctl.c                                |   3 +-
>   drivers/block/loop.c                         |   8 +-
>   drivers/md/bcache/super.c                    |  20 +-
>   drivers/md/dm-table.c                        |   9 +-
>   drivers/mtd/mtdsuper.c                       |  17 +-
>   drivers/target/target_core_file.c            |   6 +-
>   drivers/usb/gadget/function/storage_common.c |   8 +-
>   fs/block_dev.c                               | 196 +++++--------------
>   fs/btrfs/volumes.c                           |  13 +-
>   fs/inode.c                                   |   3 -
>   fs/internal.h                                |   7 +-
>   fs/io_uring.c                                |  10 +-
>   fs/pipe.c                                    |   5 +-
>   fs/quota/quota.c                             |  19 +-
>   fs/statfs.c                                  |   2 +-
>   fs/super.c                                   |  44 ++---
>   include/linux/blkdev.h                       |   2 +-
>   include/linux/fs.h                           |   1 -
>   18 files changed, 121 insertions(+), 252 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare at suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare at suse.de                              +49 911 74053 688
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