#include "sysemu/block-backend.h"
#include "qapi/error.h"
#include "qapi/qmp/qdict.h"
+#include "qemu/main-loop.h"
#include "iothread.h"
static int coroutine_fn bdrv_test_co_prwv(BlockDriverState *bs,
if (t->blkfn) {
t->blkfn(blk);
}
- aio_context_release(ctx);
blk_set_aio_context(blk, qemu_get_aio_context(), &error_abort);
+ aio_context_release(ctx);
bdrv_unref(bs);
blk_unref(blk);
{
IOThread *iothread = iothread_new();
AioContext *ctx = iothread_get_aio_context(iothread);
+ AioContext *main_ctx;
BlockBackend *blk;
BlockDriverState *bs_a, *bs_b, *bs_verify;
QDict *options;
g_assert(bdrv_get_aio_context(bs_b) == ctx);
/* Switch the AioContext back */
- ctx = qemu_get_aio_context();
- blk_set_aio_context(blk, ctx, &error_abort);
- g_assert(blk_get_aio_context(blk) == ctx);
- g_assert(bdrv_get_aio_context(bs_a) == ctx);
- g_assert(bdrv_get_aio_context(bs_verify) == ctx);
- g_assert(bdrv_get_aio_context(bs_b) == ctx);
+ main_ctx = qemu_get_aio_context();
+ aio_context_acquire(ctx);
+ blk_set_aio_context(blk, main_ctx, &error_abort);
+ aio_context_release(ctx);
+ g_assert(blk_get_aio_context(blk) == main_ctx);
+ g_assert(bdrv_get_aio_context(bs_a) == main_ctx);
+ g_assert(bdrv_get_aio_context(bs_verify) == main_ctx);
+ g_assert(bdrv_get_aio_context(bs_b) == main_ctx);
bdrv_unref(bs_verify);
bdrv_unref(bs_b);
{
IOThread *iothread = iothread_new();
AioContext *ctx = iothread_get_aio_context(iothread);
+ AioContext *main_ctx;
BlockBackend *blk;
BlockDriverState *bs_a, *bs_b, *bs_c, *bs_verify;
QDict *options;
g_assert(bdrv_get_aio_context(bs_c) == ctx);
/* Switch the AioContext back */
- ctx = qemu_get_aio_context();
- blk_set_aio_context(blk, ctx, &error_abort);
- g_assert(blk_get_aio_context(blk) == ctx);
- g_assert(bdrv_get_aio_context(bs_verify) == ctx);
- g_assert(bdrv_get_aio_context(bs_a) == ctx);
- g_assert(bdrv_get_aio_context(bs_b) == ctx);
- g_assert(bdrv_get_aio_context(bs_c) == ctx);
+ main_ctx = qemu_get_aio_context();
+ aio_context_acquire(ctx);
+ blk_set_aio_context(blk, main_ctx, &error_abort);
+ aio_context_release(ctx);
+ g_assert(blk_get_aio_context(blk) == main_ctx);
+ g_assert(bdrv_get_aio_context(bs_verify) == main_ctx);
+ g_assert(bdrv_get_aio_context(bs_a) == main_ctx);
+ g_assert(bdrv_get_aio_context(bs_b) == main_ctx);
+ g_assert(bdrv_get_aio_context(bs_c) == main_ctx);
blk_unref(blk);
bdrv_unref(bs_verify);
bdrv_unref(target);
}
+static void test_attach_second_node(void)
+{
+ IOThread *iothread = iothread_new();
+ AioContext *ctx = iothread_get_aio_context(iothread);
+ AioContext *main_ctx = qemu_get_aio_context();
+ BlockBackend *blk;
+ BlockDriverState *bs, *filter;
+ QDict *options;
+
+ blk = blk_new(ctx, BLK_PERM_ALL, BLK_PERM_ALL);
+ bs = bdrv_new_open_driver(&bdrv_test, "base", BDRV_O_RDWR, &error_abort);
+ blk_insert_bs(blk, bs, &error_abort);
+
+ options = qdict_new();
+ qdict_put_str(options, "driver", "raw");
+ qdict_put_str(options, "file", "base");
+
+ filter = bdrv_open(NULL, NULL, options, BDRV_O_RDWR, &error_abort);
+ g_assert(blk_get_aio_context(blk) == ctx);
+ g_assert(bdrv_get_aio_context(bs) == ctx);
+ g_assert(bdrv_get_aio_context(filter) == ctx);
+
+ aio_context_acquire(ctx);
+ blk_set_aio_context(blk, main_ctx, &error_abort);
+ aio_context_release(ctx);
+ g_assert(blk_get_aio_context(blk) == main_ctx);
+ g_assert(bdrv_get_aio_context(bs) == main_ctx);
+ g_assert(bdrv_get_aio_context(filter) == main_ctx);
+
+ bdrv_unref(filter);
+ bdrv_unref(bs);
+ blk_unref(blk);
+}
+
+static void test_attach_preserve_blk_ctx(void)
+{
+ IOThread *iothread = iothread_new();
+ AioContext *ctx = iothread_get_aio_context(iothread);
+ BlockBackend *blk;
+ BlockDriverState *bs;
+
+ blk = blk_new(ctx, BLK_PERM_ALL, BLK_PERM_ALL);
+ bs = bdrv_new_open_driver(&bdrv_test, "base", BDRV_O_RDWR, &error_abort);
+ bs->total_sectors = 65536 / BDRV_SECTOR_SIZE;
+
+ /* Add node to BlockBackend that has an iothread context assigned */
+ blk_insert_bs(blk, bs, &error_abort);
+ g_assert(blk_get_aio_context(blk) == ctx);
+ g_assert(bdrv_get_aio_context(bs) == ctx);
+
+ /* Remove the node again */
+ aio_context_acquire(ctx);
+ blk_remove_bs(blk);
+ aio_context_release(ctx);
+ g_assert(blk_get_aio_context(blk) == ctx);
+ g_assert(bdrv_get_aio_context(bs) == qemu_get_aio_context());
+
+ /* Re-attach the node */
+ blk_insert_bs(blk, bs, &error_abort);
+ g_assert(blk_get_aio_context(blk) == ctx);
+ g_assert(bdrv_get_aio_context(bs) == ctx);
+
+ aio_context_acquire(ctx);
+ blk_set_aio_context(blk, qemu_get_aio_context(), &error_abort);
+ aio_context_release(ctx);
+ bdrv_unref(bs);
+ blk_unref(blk);
+}
+
int main(int argc, char **argv)
{
int i;
}
g_test_add_func("/attach/blockjob", test_attach_blockjob);
+ g_test_add_func("/attach/second_node", test_attach_second_node);
+ g_test_add_func("/attach/preserve_blk_ctx", test_attach_preserve_blk_ctx);
g_test_add_func("/propagate/basic", test_propagate_basic);
g_test_add_func("/propagate/diamond", test_propagate_diamond);
g_test_add_func("/propagate/mirror", test_propagate_mirror);