[PATCH 3/7] block: simplify set_init_blocksize

From: Christoph Hellwig
Date: Fri Jun 26 2020 - 04:02:47 EST


The loop to increase the initial block size doesn't really make any
sense, as the AND operation won't match for powers of two if it didn't
for the initial block size.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/block_dev.c | 6 ------
1 file changed, 6 deletions(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 0e0d43dc27d331..8b7a9c76d33edf 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -106,13 +106,7 @@ EXPORT_SYMBOL(invalidate_bdev);
static void set_init_blocksize(struct block_device *bdev)
{
unsigned bsize = bdev_logical_block_size(bdev);
- loff_t size = i_size_read(bdev->bd_inode);

- while (bsize < PAGE_SIZE) {
- if (size & bsize)
- break;
- bsize <<= 1;
- }
bdev->bd_block_size = bsize;
bdev->bd_inode->i_blkbits = blksize_bits(bsize);
}
--
2.26.2