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authorMarkus Armbruster <armbru@redhat.com>2014-06-26 13:23:22 +0200
committerKevin Wolf <kwolf@redhat.com>2014-08-15 15:07:13 +0200
commit57322b7811a9136507742bb7ebc2215dd8c2e911 (patch)
treef21998bdcfbab129909170f2ba3df7f740cd3798 /block
parent43716fa8058a9095b9c1f9be4397dbaf7c521ee0 (diff)
block: Use bdrv_nb_sectors() where sectors, not bytes are wanted
Instead of bdrv_getlength(). Aside: a few of these callers don't handle errors. I didn't investigate whether they should. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block')
-rw-r--r--block/qcow2.c2
-rw-r--r--block/vmdk.c5
2 files changed, 3 insertions, 4 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index 1e3ab6bd02..ad93824c6c 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1557,7 +1557,7 @@ static int preallocate(BlockDriverState *bs)
int ret;
QCowL2Meta *meta;
- nb_sectors = bdrv_getlength(bs) >> BDRV_SECTOR_BITS;
+ nb_sectors = bdrv_nb_sectors(bs);
offset = 0;
while (nb_sectors) {
diff --git a/block/vmdk.c b/block/vmdk.c
index 0517bbaf91..33d9bec02b 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -669,8 +669,7 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
if (le32_to_cpu(header.flags) & VMDK4_FLAG_RGD) {
l1_backup_offset = le64_to_cpu(header.rgd_offset) << 9;
}
- if (bdrv_getlength(file) <
- le64_to_cpu(header.grain_offset) * BDRV_SECTOR_SIZE) {
+ if (bdrv_nb_sectors(file) < le64_to_cpu(header.grain_offset)) {
error_setg(errp, "File truncated, expecting at least %" PRId64 " bytes",
(int64_t)(le64_to_cpu(header.grain_offset)
* BDRV_SECTOR_SIZE));
@@ -1999,7 +1998,7 @@ static int vmdk_check(BlockDriverState *bs, BdrvCheckResult *result,
BDRVVmdkState *s = bs->opaque;
VmdkExtent *extent = NULL;
int64_t sector_num = 0;
- int64_t total_sectors = bdrv_getlength(bs) / BDRV_SECTOR_SIZE;
+ int64_t total_sectors = bdrv_nb_sectors(bs);
int ret;
uint64_t cluster_offset;