You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
3.1 KiB
98 lines
3.1 KiB
From d0514c7d5d6cc1aa140119c95d5ea2c1591b01e9 Mon Sep 17 00:00:00 2001
|
|
From: Stefan Hajnoczi <stefanha@redhat.com>
|
|
Date: Tue, 5 Dec 2023 13:20:04 -0500
|
|
Subject: [PATCH 087/101] block: remove bdrv_co_lock()
|
|
|
|
RH-Author: Kevin Wolf <kwolf@redhat.com>
|
|
RH-MergeRequest: 214: Remove AioContext lock
|
|
RH-Jira: RHEL-15965
|
|
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
RH-Commit: [18/26] a303f861ea5e84d8e89fd51e530fd0cb2da17b89 (kmwolf/centos-qemu-kvm)
|
|
|
|
The bdrv_co_lock() and bdrv_co_unlock() functions are already no-ops.
|
|
Remove them.
|
|
|
|
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
Message-ID: <20231205182011.1976568-8-stefanha@redhat.com>
|
|
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
|
|
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
|
|
---
|
|
block.c | 10 ----------
|
|
blockdev.c | 5 -----
|
|
include/block/block-global-state.h | 14 --------------
|
|
3 files changed, 29 deletions(-)
|
|
|
|
diff --git a/block.c b/block.c
|
|
index 91ace5d2d5..434b7f4d72 100644
|
|
--- a/block.c
|
|
+++ b/block.c
|
|
@@ -7431,16 +7431,6 @@ void coroutine_fn bdrv_co_leave(BlockDriverState *bs, AioContext *old_ctx)
|
|
bdrv_dec_in_flight(bs);
|
|
}
|
|
|
|
-void coroutine_fn bdrv_co_lock(BlockDriverState *bs)
|
|
-{
|
|
- /* TODO removed in next patch */
|
|
-}
|
|
-
|
|
-void coroutine_fn bdrv_co_unlock(BlockDriverState *bs)
|
|
-{
|
|
- /* TODO removed in next patch */
|
|
-}
|
|
-
|
|
static void bdrv_do_remove_aio_context_notifier(BdrvAioNotifier *ban)
|
|
{
|
|
GLOBAL_STATE_CODE();
|
|
diff --git a/blockdev.c b/blockdev.c
|
|
index 5d8b3a23eb..3a5e7222ec 100644
|
|
--- a/blockdev.c
|
|
+++ b/blockdev.c
|
|
@@ -2264,18 +2264,13 @@ void coroutine_fn qmp_block_resize(const char *device, const char *node_name,
|
|
return;
|
|
}
|
|
|
|
- bdrv_co_lock(bs);
|
|
bdrv_drained_begin(bs);
|
|
- bdrv_co_unlock(bs);
|
|
|
|
old_ctx = bdrv_co_enter(bs);
|
|
blk_co_truncate(blk, size, false, PREALLOC_MODE_OFF, 0, errp);
|
|
bdrv_co_leave(bs, old_ctx);
|
|
|
|
- bdrv_co_lock(bs);
|
|
bdrv_drained_end(bs);
|
|
- bdrv_co_unlock(bs);
|
|
-
|
|
blk_co_unref(blk);
|
|
}
|
|
|
|
diff --git a/include/block/block-global-state.h b/include/block/block-global-state.h
|
|
index 0327f1c605..4ec0b217f0 100644
|
|
--- a/include/block/block-global-state.h
|
|
+++ b/include/block/block-global-state.h
|
|
@@ -267,20 +267,6 @@ int bdrv_debug_remove_breakpoint(BlockDriverState *bs, const char *tag);
|
|
int bdrv_debug_resume(BlockDriverState *bs, const char *tag);
|
|
bool bdrv_debug_is_suspended(BlockDriverState *bs, const char *tag);
|
|
|
|
-/**
|
|
- * Locks the AioContext of @bs if it's not the current AioContext. This avoids
|
|
- * double locking which could lead to deadlocks: This is a coroutine_fn, so we
|
|
- * know we already own the lock of the current AioContext.
|
|
- *
|
|
- * May only be called in the main thread.
|
|
- */
|
|
-void coroutine_fn bdrv_co_lock(BlockDriverState *bs);
|
|
-
|
|
-/**
|
|
- * Unlocks the AioContext of @bs if it's not the current AioContext.
|
|
- */
|
|
-void coroutine_fn bdrv_co_unlock(BlockDriverState *bs);
|
|
-
|
|
bool bdrv_child_change_aio_context(BdrvChild *c, AioContext *ctx,
|
|
GHashTable *visited, Transaction *tran,
|
|
Error **errp);
|
|
--
|
|
2.39.3
|
|
|