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block: mark bdrv_parent_change_aio_context() GRAPH_RDLOCK

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This is a small step in preparation to mark bdrv_drained_begin() as
GRAPH_UNLOCKED. More concretely, it allows marking the
change_aio_ctx() callback GRAPH_RDLOCK_PTR, which is the next step.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20250530151125.955508-6-f.ebner@proxmox.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fiona Ebner 2025-05-30 17:10:42 +02:00 • committed by Kevin Wolf
parent 841998e086
commit 3758733959
1 changed files with 4 additions and 4 deletions
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8
block.c
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@ -7575,10 +7575,10 @@ typedef struct BdrvStateSetAioContext {
BlockDriverState *bs;
} BdrvStateSetAioContext;
static bool bdrv_parent_change_aio_context(BdrvChild *c, AioContext *ctx,
GHashTable *visited,
Transaction *tran,
Error **errp)
static bool GRAPH_RDLOCK
bdrv_parent_change_aio_context(BdrvChild *c, AioContext *ctx,
GHashTable *visited, Transaction *tran,
Error **errp)
{
GLOBAL_STATE_CODE();
if (g_hash_table_contains(visited, c)) {