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-rw-r--r--block.c22
-rw-r--r--block/blkdebug.c7
-rw-r--r--block/cow.c6
-rw-r--r--block/qcow.c6
-rw-r--r--block/qcow2.c6
-rw-r--r--block/qed.c8
-rw-r--r--block/raw.c6
-rw-r--r--block/vdi.c8
-rw-r--r--block/vmdk.c4
-rw-r--r--block/vpc.c6
10 files changed, 16 insertions, 63 deletions
diff --git a/block.c b/block.c
index b88ee90817..8858be096b 100644
--- a/block.c
+++ b/block.c
@@ -2331,9 +2331,7 @@ void bdrv_flush_all(void)
BlockDriverState *bs;
QTAILQ_FOREACH(bs, &bdrv_states, list) {
- if (!bdrv_is_read_only(bs) && bdrv_is_inserted(bs)) {
- bdrv_flush(bs);
- }
+ bdrv_flush(bs);
}
}
@@ -3520,7 +3518,7 @@ int coroutine_fn bdrv_co_flush(BlockDriverState *bs)
{
int ret;
- if (!bs->drv) {
+ if (!bs || !bdrv_is_inserted(bs) || bdrv_is_read_only(bs)) {
return 0;
}
@@ -3538,7 +3536,7 @@ int coroutine_fn bdrv_co_flush(BlockDriverState *bs)
}
if (bs->drv->bdrv_co_flush_to_disk) {
- return bs->drv->bdrv_co_flush_to_disk(bs);
+ ret = bs->drv->bdrv_co_flush_to_disk(bs);
} else if (bs->drv->bdrv_aio_flush) {
BlockDriverAIOCB *acb;
CoroutineIOCompletion co = {
@@ -3547,10 +3545,10 @@ int coroutine_fn bdrv_co_flush(BlockDriverState *bs)
acb = bs->drv->bdrv_aio_flush(bs, bdrv_co_io_em_complete, &co);
if (acb == NULL) {
- return -EIO;
+ ret = -EIO;
} else {
qemu_coroutine_yield();
- return co.ret;
+ ret = co.ret;
}
} else {
/*
@@ -3564,8 +3562,16 @@ int coroutine_fn bdrv_co_flush(BlockDriverState *bs)
*
* Let's hope the user knows what he's doing.
*/
- return 0;
+ ret = 0;
}
+ if (ret < 0) {
+ return ret;
+ }
+
+ /* Now flush the underlying protocol. It will also have BDRV_O_NO_FLUSH
+ * in the case of cache=unsafe, so there are no useless flushes.
+ */
+ return bdrv_co_flush(bs->file);
}
void bdrv_invalidate_cache(BlockDriverState *bs)
diff --git a/block/blkdebug.c b/block/blkdebug.c
index a251802ad4..e56e37da51 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -397,12 +397,6 @@ static void blkdebug_close(BlockDriverState *bs)
}
}
-static BlockDriverAIOCB *blkdebug_aio_flush(BlockDriverState *bs,
- BlockDriverCompletionFunc *cb, void *opaque)
-{
- return bdrv_aio_flush(bs->file, cb, opaque);
-}
-
static void process_rule(BlockDriverState *bs, struct BlkdebugRule *rule,
BlkdebugVars *old_vars)
{
@@ -452,7 +446,6 @@ static BlockDriver bdrv_blkdebug = {
.bdrv_aio_readv = blkdebug_aio_readv,
.bdrv_aio_writev = blkdebug_aio_writev,
- .bdrv_aio_flush = blkdebug_aio_flush,
.bdrv_debug_event = blkdebug_debug_event,
};
diff --git a/block/cow.c b/block/cow.c
index bb5927c6aa..8d3c9f873c 100644
--- a/block/cow.c
+++ b/block/cow.c
@@ -318,11 +318,6 @@ exit:
return ret;
}
-static coroutine_fn int cow_co_flush(BlockDriverState *bs)
-{
- return bdrv_co_flush(bs->file);
-}
-
static QEMUOptionParameter cow_create_options[] = {
{
.name = BLOCK_OPT_SIZE,
@@ -348,7 +343,6 @@ static BlockDriver bdrv_cow = {
.bdrv_read = cow_co_read,
.bdrv_write = cow_co_write,
- .bdrv_co_flush_to_disk = cow_co_flush,
.bdrv_co_is_allocated = cow_co_is_allocated,
.create_options = cow_create_options,
diff --git a/block/qcow.c b/block/qcow.c
index b1cfe1f696..35dff497ae 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -835,11 +835,6 @@ fail:
return ret;
}
-static coroutine_fn int qcow_co_flush(BlockDriverState *bs)
-{
- return bdrv_co_flush(bs->file);
-}
-
static int qcow_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
{
BDRVQcowState *s = bs->opaque;
@@ -877,7 +872,6 @@ static BlockDriver bdrv_qcow = {
.bdrv_co_readv = qcow_co_readv,
.bdrv_co_writev = qcow_co_writev,
- .bdrv_co_flush_to_disk = qcow_co_flush,
.bdrv_co_is_allocated = qcow_co_is_allocated,
.bdrv_set_key = qcow_set_key,
diff --git a/block/qcow2.c b/block/qcow2.c
index 7aece65406..70d3141dd1 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1253,11 +1253,6 @@ static coroutine_fn int qcow2_co_flush_to_os(BlockDriverState *bs)
return 0;
}
-static coroutine_fn int qcow2_co_flush_to_disk(BlockDriverState *bs)
-{
- return bdrv_co_flush(bs->file);
-}
-
static int64_t qcow2_vm_state_offset(BDRVQcowState *s)
{
return (int64_t)s->l1_vm_state_index << (s->cluster_bits + s->l2_bits);
@@ -1377,7 +1372,6 @@ static BlockDriver bdrv_qcow2 = {
.bdrv_co_readv = qcow2_co_readv,
.bdrv_co_writev = qcow2_co_writev,
.bdrv_co_flush_to_os = qcow2_co_flush_to_os,
- .bdrv_co_flush_to_disk = qcow2_co_flush_to_disk,
.bdrv_co_discard = qcow2_co_discard,
.bdrv_truncate = qcow2_truncate,
diff --git a/block/qed.c b/block/qed.c
index a041d31e66..d6c1580866 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -1350,13 +1350,6 @@ static BlockDriverAIOCB *bdrv_qed_aio_writev(BlockDriverState *bs,
opaque, QED_AIOCB_WRITE);
}
-static BlockDriverAIOCB *bdrv_qed_aio_flush(BlockDriverState *bs,
- BlockDriverCompletionFunc *cb,
- void *opaque)
-{
- return bdrv_aio_flush(bs->file, cb, opaque);
-}
-
typedef struct {
Coroutine *co;
int ret;
@@ -1562,7 +1555,6 @@ static BlockDriver bdrv_qed = {
.bdrv_make_empty = bdrv_qed_make_empty,
.bdrv_aio_readv = bdrv_qed_aio_readv,
.bdrv_aio_writev = bdrv_qed_aio_writev,
- .bdrv_aio_flush = bdrv_qed_aio_flush,
.bdrv_co_write_zeroes = bdrv_qed_co_write_zeroes,
.bdrv_truncate = bdrv_qed_truncate,
.bdrv_getlength = bdrv_qed_getlength,
diff --git a/block/raw.c b/block/raw.c
index 1cdac0ccdc..7086e314a6 100644
--- a/block/raw.c
+++ b/block/raw.c
@@ -25,11 +25,6 @@ static void raw_close(BlockDriverState *bs)
{
}
-static int coroutine_fn raw_co_flush(BlockDriverState *bs)
-{
- return bdrv_co_flush(bs->file);
-}
-
static int64_t raw_getlength(BlockDriverState *bs)
{
return bdrv_getlength(bs->file);
@@ -113,7 +108,6 @@ static BlockDriver bdrv_raw = {
.bdrv_co_readv = raw_co_readv,
.bdrv_co_writev = raw_co_writev,
- .bdrv_co_flush_to_disk = raw_co_flush,
.bdrv_co_discard = raw_co_discard,
.bdrv_probe = raw_probe,
diff --git a/block/vdi.c b/block/vdi.c
index 6a0011fbcc..f8fa865745 100644
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -930,13 +930,6 @@ static void vdi_close(BlockDriverState *bs)
error_free(s->migration_blocker);
}
-static coroutine_fn int vdi_co_flush(BlockDriverState *bs)
-{
- logout("\n");
- return bdrv_co_flush(bs->file);
-}
-
-
static QEMUOptionParameter vdi_create_options[] = {
{
.name = BLOCK_OPT_SIZE,
@@ -969,7 +962,6 @@ static BlockDriver bdrv_vdi = {
.bdrv_open = vdi_open,
.bdrv_close = vdi_close,
.bdrv_create = vdi_create,
- .bdrv_co_flush_to_disk = vdi_co_flush,
.bdrv_co_is_allocated = vdi_co_is_allocated,
.bdrv_make_empty = vdi_make_empty,
diff --git a/block/vmdk.c b/block/vmdk.c
index 45c003a0f1..18e9b4caf6 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -1525,10 +1525,10 @@ static void vmdk_close(BlockDriverState *bs)
static coroutine_fn int vmdk_co_flush(BlockDriverState *bs)
{
- int i, ret, err;
BDRVVmdkState *s = bs->opaque;
+ int i, err;
+ int ret = 0;
- ret = bdrv_co_flush(bs->file);
for (i = 0; i < s->num_extents; i++) {
err = bdrv_co_flush(s->extents[i].file);
if (err < 0) {
diff --git a/block/vpc.c b/block/vpc.c
index 6b4816f563..706faf3f38 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -507,11 +507,6 @@ static coroutine_fn int vpc_co_write(BlockDriverState *bs, int64_t sector_num,
return ret;
}
-static coroutine_fn int vpc_co_flush(BlockDriverState *bs)
-{
- return bdrv_co_flush(bs->file);
-}
-
/*
* Calculates the number of cylinders, heads and sectors per cylinder
* based on a given number of sectors. This is the algorithm described
@@ -789,7 +784,6 @@ static BlockDriver bdrv_vpc = {
.bdrv_read = vpc_co_read,
.bdrv_write = vpc_co_write,
- .bdrv_co_flush_to_disk = vpc_co_flush,
.create_options = vpc_create_options,
};
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-27 08:49:19 +0000