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From: Kevin Wolf <kwolf@redhat.com>
To: qemu-block@nongnu.org
Cc: kwolf@redhat.com, stefanha@redhat.com, hreitz@redhat.com,
	eblake@redhat.com, qemu-devel@nongnu.org
Subject: [PATCH v2 03/11] test-block-iothread: Lock AioContext for blk_insert_bs()
Date: Mon,  5 Jun 2023 10:57:03 +0200	[thread overview]
Message-ID: <20230605085711.21261-4-kwolf@redhat.com> (raw)
In-Reply-To: <20230605085711.21261-1-kwolf@redhat.com>

blk_insert_bs() requires that callers hold the AioContext lock for the
node that should be inserted. Take it.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 tests/unit/test-block-iothread.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothread.c
index f081c09729..d727a5fee8 100644
--- a/tests/unit/test-block-iothread.c
+++ b/tests/unit/test-block-iothread.c
@@ -825,6 +825,7 @@ static void test_attach_second_node(void)
     BlockDriverState *bs, *filter;
     QDict *options;
 
+    aio_context_acquire(main_ctx);
     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);
@@ -833,7 +834,6 @@ static void test_attach_second_node(void)
     qdict_put_str(options, "driver", "raw");
     qdict_put_str(options, "file", "base");
 
-    aio_context_acquire(main_ctx);
     filter = bdrv_open(NULL, NULL, options, BDRV_O_RDWR, &error_abort);
     aio_context_release(main_ctx);
 
@@ -857,9 +857,11 @@ static void test_attach_preserve_blk_ctx(void)
 {
     IOThread *iothread = iothread_new();
     AioContext *ctx = iothread_get_aio_context(iothread);
+    AioContext *main_ctx = qemu_get_aio_context();
     BlockBackend *blk;
     BlockDriverState *bs;
 
+    aio_context_acquire(main_ctx);
     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;
@@ -868,6 +870,7 @@ static void test_attach_preserve_blk_ctx(void)
     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_release(main_ctx);
 
     /* Remove the node again */
     aio_context_acquire(ctx);
@@ -877,7 +880,9 @@ static void test_attach_preserve_blk_ctx(void)
     g_assert(bdrv_get_aio_context(bs) == qemu_get_aio_context());
 
     /* Re-attach the node */
+    aio_context_acquire(main_ctx);
     blk_insert_bs(blk, bs, &error_abort);
+    aio_context_release(main_ctx);
     g_assert(blk_get_aio_context(blk) == ctx);
     g_assert(bdrv_get_aio_context(bs) == ctx);
 
-- 
2.40.1



  parent reply	other threads:[~2023-06-05  8:59 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-05  8:57 [PATCH v2 00/11] block: Re-enable the graph lock Kevin Wolf
2023-06-05  8:57 ` [PATCH v2 01/11] iotests: Test active commit with iothread and background I/O Kevin Wolf
2023-06-05  8:57 ` [PATCH v2 02/11] qdev-properties-system: Lock AioContext for blk_insert_bs() Kevin Wolf
2023-06-05  8:57 ` Kevin Wolf [this message]
2023-06-05  8:57 ` [PATCH v2 04/11] block: Fix AioContext locking in bdrv_open_child() Kevin Wolf
2023-06-05  8:57 ` [PATCH v2 05/11] block: Fix AioContext locking in bdrv_attach_child_common() Kevin Wolf
2023-06-05  8:57 ` [PATCH v2 06/11] block: Fix AioContext locking in bdrv_reopen_parse_file_or_backing() Kevin Wolf
2023-06-05  8:57 ` [PATCH v2 07/11] block: Fix AioContext locking in bdrv_open_inherit() Kevin Wolf
2023-06-05  8:57 ` [PATCH v2 08/11] block: Fix AioContext locking in bdrv_open_backing_file() Kevin Wolf
2023-06-05  8:57 ` [PATCH v2 09/11] blockjob: Fix AioContext locking in block_job_add_bdrv() Kevin Wolf
2023-06-05  8:57 ` [PATCH v2 10/11] graph-lock: Unlock the AioContext while polling Kevin Wolf
2023-06-05  8:57 ` [PATCH v2 11/11] Revert "graph-lock: Disable locking for now" Kevin Wolf
2023-06-05  9:06   ` Paolo Bonzini
2023-06-05 10:03     ` Kevin Wolf
2023-06-07 18:19 ` [PATCH v2 00/11] block: Re-enable the graph lock Stefan Hajnoczi

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