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| author | Kevin Wolf <kwolf@redhat.com> | 2015-02-11 17:19:57 +0100 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2015-03-08 22:58:14 -0500 |
| commit | c70221df1f89953e85a3f1f96ceefbd6888bb55f (patch) | |
| tree | ef6376d06edddfca6a66f26646d30381a7cdf1d3 | |
| parent | 07db6859abffa79db6290a5f9f4dfdf93148189f (diff) | |
| download | qemu-c70221df1f89953e85a3f1f96ceefbd6888bb55f.tar.gz | |
vpc: Fix size in fixed image creation
If total_sectors is rounded to match the geometry, total_size needs to
be changed as well. Otherwise we end up with an image whose geometry
describes a disk larger than the image file, which doesn't end well.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
(cherry picked from commit c7dd631d482912fd615a9ef18a0e0691e7a84836)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
| -rw-r--r-- | block/vpc.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/block/vpc.c b/block/vpc.c index 38c4f02fff..40baa64385 100644 --- a/block/vpc.c +++ b/block/vpc.c @@ -801,6 +801,7 @@ static int vpc_create(const char *filename, QemuOpts *opts, Error **errp) } total_sectors = (int64_t) cyls * heads * secs_per_cyl; + total_size = total_sectors * BDRV_SECTOR_SIZE; /* Prepare the Hard Disk Footer */ memset(buf, 0, 1024); @@ -822,13 +823,8 @@ static int vpc_create(const char *filename, QemuOpts *opts, Error **errp) /* Version of Virtual PC 2007 */ footer->major = cpu_to_be16(0x0005); footer->minor = cpu_to_be16(0x0003); - if (disk_type == VHD_DYNAMIC) { - footer->orig_size = cpu_to_be64(total_sectors * 512); - footer->size = cpu_to_be64(total_sectors * 512); - } else { - footer->orig_size = cpu_to_be64(total_size); - footer->size = cpu_to_be64(total_size); - } + footer->orig_size = cpu_to_be64(total_size); + footer->size = cpu_to_be64(total_size); footer->cyls = cpu_to_be16(cyls); footer->heads = heads; footer->secs_per_cyl = secs_per_cyl; |