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| author |  Christoph Hellwig <hch@lst.de>
| 2020-11-23 13:29:55 +0100 |
|---|---|---|
| committer |  Jens Axboe <axboe@kernel.dk>
| 2020-12-01 14:53:39 -0700 |
| commit | a954ea812018a84d350b316c39a2be3edc4b7ca8 (patch) | |
| tree | deb9b830784f4dba4b77e12a5a81d757ef64db5a /include/linux/blk_types.h | |
| parent | block: simplify bdev/disk lookup in blkdev_get (diff) | |
| download | linux-a954ea812018a84d350b316c39a2be3edc4b7ca8.tar.gz linux-a954ea812018a84d350b316c39a2be3edc4b7ca8.tar.bz2 linux-a954ea812018a84d350b316c39a2be3edc4b7ca8.zip | |
block: remove ->bd_contains
Now that each hd_struct has a reference to the corresponding
block_device, there is no need for the bd_contains pointer. Add
a bdev_whole() helper to look up the whole device block_device
struture instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/blk_types.h')
| -rw-r--r-- | include/linux/blk_types.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 9698f459cc65..2e0a9bd9688d 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -32,7 +32,6 @@ struct block_device { #ifdef CONFIG_SYSFS struct list_head bd_holder_disks; #endif - struct block_device * bd_contains; u8 bd_partno; struct hd_struct * bd_part; /* number of times partitions within this device have been opened. */ @@ -49,6 +48,9 @@ struct block_device { struct super_block *bd_fsfreeze_sb; } __randomize_layout; +#define bdev_whole(_bdev) \ + ((_bdev)->bd_disk->part0.bdev) + #define bdev_kobj(_bdev) \ (&part_to_dev((_bdev)->bd_part)->kobj) |