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>
diff --git a/block/qcow2.c b/block/qcow2.c
index fbf9464..f77b490 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1139,7 +1139,7 @@
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 @@
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) {
