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block: Move I/O throttling configuration functions to BlockBackend

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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Kevin Wolf
2016-05-19 16:45:30 +02:00
parent 441565b279
commit 97148076e8
11 changed files with 71 additions and 77 deletions
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blockdev.c
+8 -8
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@@ -616,8 +616,8 @@ static BlockBackend *blockdev_init(const char *file, QDict *bs_opts,
if (!throttling_group) {
throttling_group = blk_name(blk);
}
bdrv_io_limits_enable(bs, throttling_group);
bdrv_set_io_limits(bs, &cfg);
blk_io_limits_enable(blk, throttling_group);
blk_set_io_limits(blk, &cfg);
}
if (bdrv_key_required(bs)) {
@@ -2726,16 +2726,16 @@ void qmp_block_set_io_throttle(const char *device, int64_t bps, int64_t bps_rd,
if (throttle_enabled(&cfg)) {
/* Enable I/O limits if they're not enabled yet, otherwise
* just update the throttling group. */
if (!blk_get_public(bs->blk)->throttle_state) {
bdrv_io_limits_enable(bs, has_group ? group : device);
if (!blk_get_public(blk)->throttle_state) {
blk_io_limits_enable(blk, has_group ? group : device);
} else if (has_group) {
bdrv_io_limits_update_group(bs, group);
blk_io_limits_update_group(blk, group);
}
/* Set the new throttling configuration */
bdrv_set_io_limits(bs, &cfg);
} else if (blk_get_public(bs->blk)->throttle_state) {
blk_set_io_limits(blk, &cfg);
} else if (blk_get_public(blk)->throttle_state) {
/* If all throttling settings are set to 0, disable I/O limits */
bdrv_io_limits_disable(bs);
blk_io_limits_disable(blk);
}
out: