diff options
| author | Hu Tao <hutao@cn.fujitsu.com> | 2014-09-10 17:05:46 +0800 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2014-09-12 15:43:06 +0200 |
| commit | 180e95265e87edcb457a9f92f844e4b08bcc60a0 (patch) | |
| tree | 00b1a59d793d8fa425bcb09dccec2ffcaaba8b9a /block/qcow.c | |
| parent | c2eb918e3299f930fd0d0ae48d002cf2599de250 (diff) | |
block: don't convert file size to sector size
and avoid converting it back later.
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow.c')
| -rw-r--r-- | block/qcow.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/block/qcow.c b/block/qcow.c index 041af26ce3..a87bd692f0 100644 --- a/block/qcow.c +++ b/block/qcow.c @@ -725,8 +725,8 @@ static int qcow_create(const char *filename, QemuOpts *opts, Error **errp) BlockDriverState *qcow_bs; /* Read out options */ - total_size = DIV_ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0), - BDRV_SECTOR_SIZE); + total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0), + BDRV_SECTOR_SIZE); backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE); if (qemu_opt_get_bool_del(opts, BLOCK_OPT_ENCRYPT, false)) { flags |= BLOCK_FLAG_ENCRYPT; @@ -754,7 +754,7 @@ static int qcow_create(const char *filename, QemuOpts *opts, Error **errp) memset(&header, 0, sizeof(header)); header.magic = cpu_to_be32(QCOW_MAGIC); header.version = cpu_to_be32(QCOW_VERSION); - header.size = cpu_to_be64(total_size * 512); + header.size = cpu_to_be64(total_size); header_size = sizeof(header); backing_filename_len = 0; if (backing_file) { @@ -776,7 +776,7 @@ static int qcow_create(const char *filename, QemuOpts *opts, Error **errp) } header_size = (header_size + 7) & ~7; shift = header.cluster_bits + header.l2_bits; - l1_size = ((total_size * 512) + (1LL << shift) - 1) >> shift; + l1_size = (total_size + (1LL << shift) - 1) >> shift; header.l1_table_offset = cpu_to_be64(header_size); if (flags & BLOCK_FLAG_ENCRYPT) { |