vvfat used to directly call into the qcow2 block driver instead of using the
block.c wrappers. With the coroutine conversion, this stopped working.
Signed-off-by: Kevin Wolf<address@hidden>
---
block/vvfat.c | 44 +++++++++++++++++++++++---------------------
1 files changed, 23 insertions(+), 21 deletions(-)
diff --git a/block/vvfat.c b/block/vvfat.c
index 8511fe5..131680f 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -1254,15 +1254,15 @@ static int vvfat_read(BlockDriverState *bs, int64_t
sector_num,
return -1;
if (s->qcow) {
int n;
- if (s->qcow->drv->bdrv_is_allocated(s->qcow,
- sector_num, nb_sectors-i,&n)) {
+ if (bdrv_is_allocated(s->qcow, sector_num, nb_sectors-i,&n)) {
DLOG(fprintf(stderr, "sectors %d+%d allocated\n", (int)sector_num, n));
- if (s->qcow->drv->bdrv_read(s->qcow, sector_num, buf+i*0x200,
n))
- return -1;
- i += n - 1;
- sector_num += n - 1;
- continue;
- }
+ if (bdrv_read(s->qcow, sector_num, buf + i*0x200, n)) {
+ return -1;
+ }
+ i += n - 1;
+ sector_num += n - 1;
+ continue;
+ }
DLOG(fprintf(stderr, "sector %d not allocated\n", (int)sector_num));
}
if(sector_num<s->faked_sectors) {
@@ -1516,7 +1516,7 @@ static inline int cluster_was_modified(BDRVVVFATState* s,
uint32_t cluster_num)
return 0;
for (i = 0; !was_modified&& i< s->sectors_per_cluster; i++)
- was_modified = s->qcow->drv->bdrv_is_allocated(s->qcow,
+ was_modified = bdrv_is_allocated(s->qcow,
cluster2sector(s, cluster_num) + i, 1,&dummy);
return was_modified;
@@ -1665,16 +1665,16 @@ static uint32_t
get_cluster_count_for_direntry(BDRVVVFATState* s,
int64_t offset = cluster2sector(s, cluster_num);
vvfat_close_current_file(s);
- for (i = 0; i< s->sectors_per_cluster; i++)
- if (!s->qcow->drv->bdrv_is_allocated(s->qcow,
- offset + i, 1,&dummy)) {
- if (vvfat_read(s->bs,
- offset, s->cluster_buffer, 1))
- return -1;
- if (s->qcow->drv->bdrv_write(s->qcow,
- offset, s->cluster_buffer, 1))
- return -2;
- }
+ for (i = 0; i< s->sectors_per_cluster; i++) {
+ if (!bdrv_is_allocated(s->qcow, offset + i, 1,&dummy)) {
+ if (vvfat_read(s->bs, offset, s->cluster_buffer, 1)) {
+ return -1;
+ }
+ if (bdrv_write(s->qcow, offset, s->cluster_buffer, 1))
{
+ return -2;
+ }
+ }
+ }
}
}
@@ -2619,7 +2619,9 @@ static int do_commit(BDRVVVFATState* s)
return ret;
}
- s->qcow->drv->bdrv_make_empty(s->qcow);
+ if (s->qcow->drv->bdrv_make_empty) {
+ s->qcow->drv->bdrv_make_empty(s->qcow);
+ }
memset(s->used_clusters, 0, sector2cluster(s, s->sector_count));
@@ -2714,7 +2716,7 @@ DLOG(checkpoint());
* Use qcow backend. Commit later.
*/
DLOG(fprintf(stderr, "Write to qcow backend: %d + %d\n", (int)sector_num,
nb_sectors));
- ret = s->qcow->drv->bdrv_write(s->qcow, sector_num, buf, nb_sectors);
+ ret = bdrv_write(s->qcow, sector_num, buf, nb_sectors);
if (ret< 0) {
fprintf(stderr, "Error writing to qcow backend\n");
return ret;