static void virtio_blk_reset(VirtIODevice *vdev)
{
VirtIOBlock *s = VIRTIO_BLK(vdev);
- AioContext *ctx;
VirtIOBlockReq *req;
/* Dataplane has stopped... */
assert(!s->dataplane_started);
/* ...but requests may still be in flight. */
- ctx = blk_get_aio_context(s->blk);
- aio_context_acquire(ctx);
blk_drain(s->blk);
- aio_context_release(ctx);
/* We drop queued requests after blk_drain() because blk_drain() itself can
* produce them. */
uint64_t capacity;
int64_t length;
int blk_size = conf->logical_block_size;
- AioContext *ctx;
-
- ctx = blk_get_aio_context(s->blk);
- aio_context_acquire(ctx);
blk_get_geometry(s->blk, &capacity);
memset(&blkcfg, 0, sizeof(blkcfg));
* per track (cylinder).
*/
length = blk_getlength(s->blk);
- aio_context_release(ctx);
if (length > 0 && length / conf->heads / conf->secs % blk_size) {
blkcfg.geometry.sectors = conf->secs & ~s->sector_mask;
} else {
memcpy(&blkcfg, config, s->config_size);
- aio_context_acquire(blk_get_aio_context(s->blk));
blk_set_enable_write_cache(s->blk, blkcfg.wce != 0);
- aio_context_release(blk_get_aio_context(s->blk));
}
static uint64_t virtio_blk_get_features(VirtIODevice *vdev, uint64_t features,
* s->blk would erroneously be placed in writethrough mode.
*/
if (!virtio_vdev_has_feature(vdev, VIRTIO_BLK_F_CONFIG_WCE)) {
- aio_context_acquire(blk_get_aio_context(s->blk));
blk_set_enable_write_cache(s->blk,
virtio_vdev_has_feature(vdev,
VIRTIO_BLK_F_WCE));
- aio_context_release(blk_get_aio_context(s->blk));
}
}