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iomap: directly use logical block size 

Don't transform the logical block size to a bit shift only to shift it
back to the original block size. Just use the size.

Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Keith Busch 2022-11-14 10:35:32 -08:00 committed by Darrick J. Wong
parent f0c4d9fc9c
commit f1bd37a473
1 changed files with 1 additions and 2 deletions
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3
fs/iomap/direct-io.c
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@ -240,7 +240,6 @@ static loff_t iomap_dio_bio_iter(const struct iomap_iter *iter,
{
const struct iomap *iomap = &iter->iomap;
struct inode *inode = iter->inode;
unsigned int blkbits = blksize_bits(bdev_logical_block_size(iomap->bdev));
unsigned int fs_block_size = i_blocksize(inode), pad;
loff_t length = iomap_length(iter);
loff_t pos = iter->pos;
@ -252,7 +251,7 @@ static loff_t iomap_dio_bio_iter(const struct iomap_iter *iter,
size_t copied = 0;
size_t orig_count;
if ((pos | length) & ((1 << blkbits) - 1) ||
if ((pos | length) & (bdev_logical_block_size(iomap->bdev) - 1) ||
!bdev_iter_is_aligned(iomap->bdev, dio->submit.iter))
return -EINVAL;