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block/qapi: Factor out bdrv_query_blk_stats() 

The new functions handles the data that is taken from the BlockBackend.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Kevin Wolf 2016-02-26 19:02:30 +01:00
parent 396374caea
commit 2b77e60ab8
1 changed files with 68 additions and 63 deletions
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43
block/qapi.c
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@ -355,26 +355,9 @@ static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info,
qapi_free_BlockInfo(info);
}
static BlockStats *bdrv_query_stats(const BlockDriverState *bs,
bool query_backing)
static void bdrv_query_blk_stats(BlockStats *s, BlockBackend *blk)
{
BlockStats *s;
s = g_malloc0(sizeof(*s));
if (bdrv_get_device_name(bs)[0]) {
s->has_device = true;
s->device = g_strdup(bdrv_get_device_name(bs));
}
if (bdrv_get_node_name(bs)[0]) {
s->has_node_name = true;
s->node_name = g_strdup(bdrv_get_node_name(bs));
}
s->stats = g_malloc0(sizeof(*s->stats));
if (bs->blk) {
BlockAcctStats *stats = blk_get_stats(bs->blk);
BlockAcctStats *stats = blk_get_stats(blk);
BlockAcctTimedStats *ts = NULL;
s->stats->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ];
@ -437,6 +420,28 @@ static BlockStats *bdrv_query_stats(const BlockDriverState *bs,
dev_stats->avg_wr_queue_depth =
block_acct_queue_depth(ts, BLOCK_ACCT_WRITE);
}
}
static BlockStats *bdrv_query_stats(const BlockDriverState *bs,
bool query_backing)
{
BlockStats *s;
s = g_malloc0(sizeof(*s));
if (bdrv_get_device_name(bs)[0]) {
s->has_device = true;
s->device = g_strdup(bdrv_get_device_name(bs));
}
if (bdrv_get_node_name(bs)[0]) {
s->has_node_name = true;
s->node_name = g_strdup(bdrv_get_node_name(bs));
}
s->stats = g_malloc0(sizeof(*s->stats));
if (bs->blk) {
bdrv_query_blk_stats(s, bs->blk);
}
s->stats->wr_highest_offset = bs->wr_highest_offset;