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block: Use QEMU_IS_ALIGNED

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Replace instances of:

    (n & (BDRV_SECTOR_SIZE - 1)) == 0

And:

   (n & ~BDRV_SECTOR_MASK) == 0

With:

    QEMU_IS_ALIGNED(n, BDRV_SECTOR_SIZE)

Which reveals the intent of the code better, and makes it easier to
locate the code checking alignment.

Signed-off-by: Nir Soffer <nsoffer@redhat.com>
Message-id: 20190827185913.27427-2-nsoffer@redhat.com
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Nir Soffer 2019-08-27 21:59:12 +03:00 • committed by Max Reitz
parent dd25f97c66
commit 1bbbf32d5f
8 changed files with 19 additions and 19 deletions
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4
block/qcow2.c
View file

@ -2067,8 +2067,8 @@ static coroutine_fn int qcow2_co_preadv_part(BlockDriverState *bs,
goto fail;
}
assert((offset & (BDRV_SECTOR_SIZE - 1)) == 0);
assert((cur_bytes & (BDRV_SECTOR_SIZE - 1)) == 0);
assert(QEMU_IS_ALIGNED(offset, BDRV_SECTOR_SIZE));
assert(QEMU_IS_ALIGNED(cur_bytes, BDRV_SECTOR_SIZE));
if (qcow2_co_decrypt(bs, cluster_offset, offset,
cluster_data, cur_bytes) < 0) {
ret = -EIO;