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block: Remove 'recursive' parameter from bdrv_drain_invoke() 

All callers pass false for the 'recursive' parameter now. Remove it.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
master
Kevin Wolf 2017-12-14 10:40:20 +01:00
parent 79ab8b21dc
commit 7d40d9ef9d
1 changed files with 3 additions and 10 deletions
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13
block/io.c
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@ -168,9 +168,8 @@ static void coroutine_fn bdrv_drain_invoke_entry(void *opaque)
}
/* Recursively call BlockDriver.bdrv_co_drain_begin/end callbacks */
static void bdrv_drain_invoke(BlockDriverState *bs, bool begin, bool recursive)
static void bdrv_drain_invoke(BlockDriverState *bs, bool begin)
{
BdrvChild *child, *tmp;
BdrvCoDrainData data = { .bs = bs, .done = false, .begin = begin};
if (!bs->drv || (begin && !bs->drv->bdrv_co_drain_begin) ||
@ -181,12 +180,6 @@ static void bdrv_drain_invoke(BlockDriverState *bs, bool begin, bool recursive)
data.co = qemu_coroutine_create(bdrv_drain_invoke_entry, &data);
bdrv_coroutine_enter(bs, data.co);
BDRV_POLL_WHILE(bs, !data.done);
if (recursive) {
QLIST_FOREACH_SAFE(child, &bs->children, next, tmp) {
bdrv_drain_invoke(child->bs, begin, true);
}
}
}
static bool bdrv_drain_recurse(BlockDriverState *bs)
@ -287,7 +280,7 @@ void bdrv_do_drained_begin(BlockDriverState *bs, bool recursive,
}
bdrv_parent_drained_begin(bs, parent);
bdrv_drain_invoke(bs, true, false);
bdrv_drain_invoke(bs, true);
bdrv_drain_recurse(bs);
if (recursive) {
@ -322,7 +315,7 @@ void bdrv_do_drained_end(BlockDriverState *bs, bool recursive,
old_quiesce_counter = atomic_fetch_dec(&bs->quiesce_counter);
/* Re-enable things in child-to-parent order */
bdrv_drain_invoke(bs, false, false);
bdrv_drain_invoke(bs, false);
bdrv_parent_drained_end(bs, parent);
if (old_quiesce_counter == 1) {
aio_enable_external(bdrv_get_aio_context(bs));