We are gradually converting to byte-based interfaces, as they are
easier to reason about than sector-based. Convert another internal
type (no semantic change), and rename it to match the corresponding
public function rename.
Signed-off-by: Eric Blake <ebl...@redhat.com>
---
block/io.c | 42 ++++++++++++++++--------------------------
1 file changed, 16 insertions(+), 26 deletions(-)
diff --git a/block/io.c b/block/io.c
index f7ece8d..10bc011 100644
--- a/block/io.c
+++ b/block/io.c
@@ -1819,11 +1819,11 @@ out:
return ret;
}
-static int64_t coroutine_fn bdrv_co_get_block_status_above(BlockDriverState
*bs,
+static int64_t coroutine_fn bdrv_co_block_status_above(BlockDriverState *bs,
BlockDriverState *base,
- int64_t sector_num,
- int nb_sectors,
- int *pnum,
+ int64_t offset,
+ int64_t bytes,
+ int64_t *pnum,
BlockDriverState **file)
{
BlockDriverState *p;
@@ -1831,41 +1831,32 @@ static int64_t coroutine_fn
bdrv_co_get_block_status_above(BlockDriverState *bs,
assert(bs != base);
for (p = bs; p != base; p = backing_bs(p)) {
- int64_t count;
-
- ret = bdrv_co_block_status(p, sector_num * BDRV_SECTOR_SIZE,
- nb_sectors * BDRV_SECTOR_SIZE, &count,
- file);
- *pnum = count >> BDRV_SECTOR_BITS;
+ ret = bdrv_co_block_status(p, offset, bytes, pnum, file);
if (ret < 0 || ret & BDRV_BLOCK_ALLOCATED) {
break;
}
- /* [sector_num, pnum] unallocated on this layer, which could be only
- * the first part of [sector_num, nb_sectors]. */
- nb_sectors = MIN(nb_sectors, *pnum);
+ /* [offset, pnum] unallocated on this layer, which could be only
+ * the first part of [offset, bytes]. */
+ bytes = MIN(bytes, *pnum);
}
return ret;
}
/* Coroutine wrapper for bdrv_get_block_status_above() */
-static void coroutine_fn bdrv_get_block_status_above_co_entry(void *opaque)
+static void coroutine_fn bdrv_block_status_above_co_entry(void *opaque)
{
BdrvCoBlockStatusData *data = opaque;
- int n;
- data->ret = bdrv_co_get_block_status_above(data->bs, data->base,
- data->offset >>
BDRV_SECTOR_BITS,
- data->bytes >> BDRV_SECTOR_BITS,
- &n,
- data->file);
- *data->pnum = n * BDRV_SECTOR_SIZE;
+ data->ret = bdrv_co_block_status_above(data->bs, data->base,
+ data->offset, data->bytes,
+ data->pnum, data->file);
data->done = true;
}
/*
- * Synchronous wrapper around bdrv_co_get_block_status_above().
+ * Synchronous wrapper around bdrv_co_block_status_above().
*
- * See bdrv_co_get_block_status_above() for details.
+ * See bdrv_co_block_status_above() for details.
*/
int64_t bdrv_get_block_status_above(BlockDriverState *bs,
BlockDriverState *base,
@@ -1887,10 +1878,9 @@ int64_t bdrv_get_block_status_above(BlockDriverState *bs,
if (qemu_in_coroutine()) {
/* Fast-path if already in coroutine context */
- bdrv_get_block_status_above_co_entry(&data);
+ bdrv_block_status_above_co_entry(&data);
} else {
- co = qemu_coroutine_create(bdrv_get_block_status_above_co_entry,
- &data);
+ co = qemu_coroutine_create(bdrv_block_status_above_co_entry, &data);
bdrv_coroutine_enter(bs, co);
BDRV_POLL_WHILE(bs, !data.done);
}
--
2.9.3
