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| author | Christoph Hellwig <hch@lst.de> | 2020-06-26 10:01:55 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-07-01 08:08:17 -0600 |
| commit | 6b7b181b67aa8177e57732723106a0411570a86d (patch) | |
| tree | 652706d27ce5969d0d77798b9d6ec44698a3a02a /fs/block_dev.c | |
| parent | 5ff9f19231a0e670b3d79c563f1b0b185abeca91 (diff) | |
| download | linux-6b7b181b67aa8177e57732723106a0411570a86d.tar.gz linux-6b7b181b67aa8177e57732723106a0411570a86d.tar.bz2 linux-6b7b181b67aa8177e57732723106a0411570a86d.zip | |
block: remove the bd_block_size field from struct block_device
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>
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 8b7a9c76d33e..06d31e459048 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -105,10 +105,7 @@ EXPORT_SYMBOL(invalidate_bdev); static void set_init_blocksize(struct block_device *bdev) { - unsigned bsize = bdev_logical_block_size(bdev); - - bdev->bd_block_size = bsize; - bdev->bd_inode->i_blkbits = blksize_bits(bsize); + bdev->bd_inode->i_blkbits = blksize_bits(bdev_logical_block_size(bdev)); } int set_blocksize(struct block_device *bdev, int size) @@ -122,9 +119,8 @@ int set_blocksize(struct block_device *bdev, int size) return -EINVAL; /* Don't change the size if it is same as current */ - if (bdev->bd_block_size != size) { + if (bdev->bd_inode->i_blkbits != blksize_bits(size)) { sync_blockdev(bdev); - bdev->bd_block_size = size; bdev->bd_inode->i_blkbits = blksize_bits(size); kill_bdev(bdev); } @@ -889,7 +885,6 @@ struct block_device *bdget(dev_t dev) bdev->bd_contains = NULL; bdev->bd_super = NULL; bdev->bd_inode = inode; - bdev->bd_block_size = i_blocksize(inode); bdev->bd_part_count = 0; bdev->bd_invalidated = 0; inode->i_mode = S_IFBLK; |