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block: remove the bd_block_size field from struct block_device

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We can trivially calculate the block size from the inodes i_blkbits
variable.  Use that instead of keeping two redundant copies of the
information in slightly different formats.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2020-06-26 10:01:55 +02:00
committed by Jens Axboe
parent 5ff9f19231
commit 6b7b181b67
3 changed files with 3 additions and 9 deletions
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2
include/linux/blkdev.h
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@@ -1543,7 +1543,7 @@ static inline unsigned int blksize_bits(unsigned int size)
static inline unsigned int block_size(struct block_device *bdev)
{
return bdev->bd_block_size;
return 1 << bdev->bd_inode->i_blkbits;
}
int kblockd_schedule_work(struct work_struct *work);