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qcow2: Use BDRV_SECTOR_BITS instead of its literal value 

BDRV_SECTOR_BITS is defined to be 9 in block.h (and BDRV_SECTOR_SIZE
is calculated from that), but there are still a couple of places where
we are using the literal value instead of the macro.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: 20171009153856.20387-1-berto@igalia.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Alberto Garcia 2017-10-09 17:38:56 +02:00 committed by Max Reitz
parent 67e56472a5
commit a35f87f50d
1 changed files with 2 additions and 2 deletions
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4
block/qcow2.c
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@ -1139,7 +1139,7 @@ static int qcow2_do_open(BlockDriverState *bs, QDict *options, int flags,
s->cluster_bits = header.cluster_bits;
s->cluster_size = 1 << s->cluster_bits;
s->cluster_sectors = 1 << (s->cluster_bits - 9);
s->cluster_sectors = 1 << (s->cluster_bits - BDRV_SECTOR_BITS);
/* Initialise version 3 header fields */
if (header.version == 2) {
@ -1636,7 +1636,7 @@ static int64_t coroutine_fn qcow2_co_get_block_status(BlockDriverState *bs,
bytes = MIN(INT_MAX, nb_sectors * BDRV_SECTOR_SIZE);
qemu_co_mutex_lock(&s->lock);
ret = qcow2_get_cluster_offset(bs, sector_num << 9, &bytes,
ret = qcow2_get_cluster_offset(bs, sector_num << BDRV_SECTOR_BITS, &bytes,
&cluster_offset);
qemu_co_mutex_unlock(&s->lock);
if (ret < 0) {