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block: Inline bdrv_drain_invoke() 

bdrv_drain_invoke() has now two entirely separate cases that share no
code any more and are selected depending on a bool parameter. Each case
has only one caller. Just inline the function.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20221118174110.55183-6-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2022-11-18 18:41:00 +01:00
parent 2f65df6e16
commit c7bc05f78a
1 changed files with 6 additions and 17 deletions
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23
block/io.c
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@ -242,21 +242,6 @@ typedef struct {
bool ignore_bds_parents;
} BdrvCoDrainData;
/* Recursively call BlockDriver.bdrv_drain_begin/end callbacks */
static void bdrv_drain_invoke(BlockDriverState *bs, bool begin)
{
if (!bs->drv || (begin && !bs->drv->bdrv_drain_begin) ||
(!begin && !bs->drv->bdrv_drain_end)) {
return;
}
if (begin) {
bs->drv->bdrv_drain_begin(bs);
} else {
bs->drv->bdrv_drain_end(bs);
}
}
/* Returns true if BDRV_POLL_WHILE() should go into a blocking aio_poll() */
bool bdrv_drain_poll(BlockDriverState *bs, bool recursive,
BdrvChild *ignore_parent, bool ignore_bds_parents)
@ -390,7 +375,9 @@ void bdrv_do_drained_begin_quiesce(BlockDriverState *bs,
}
bdrv_parent_drained_begin(bs, parent, ignore_bds_parents);
bdrv_drain_invoke(bs, true);
if (bs->drv && bs->drv->bdrv_drain_begin) {
bs->drv->bdrv_drain_begin(bs);
}
}
static void bdrv_do_drained_begin(BlockDriverState *bs, bool recursive,
@ -461,7 +448,9 @@ static void bdrv_do_drained_end(BlockDriverState *bs, bool recursive,
assert(bs->quiesce_counter > 0);
/* Re-enable things in child-to-parent order */
bdrv_drain_invoke(bs, false);
if (bs->drv && bs->drv->bdrv_drain_end) {
bs->drv->bdrv_drain_end(bs);
}
bdrv_parent_drained_end(bs, parent, ignore_bds_parents);
old_quiesce_counter = qatomic_fetch_dec(&bs->quiesce_counter);