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-rw-r--r--block/block-backend.c21
-rw-r--r--block/commit.c4
-rw-r--r--include/sysemu/block-backend-io.h9
-rw-r--r--nbd/server.c32
4 files changed, 48 insertions, 18 deletions
diff --git a/block/block-backend.c b/block/block-backend.c
index 91e1d33a58..ba7bf1d6bc 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1424,6 +1424,27 @@ int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
return blk_co_pwritev_part(blk, offset, bytes, qiov, 0, flags);
}
+int coroutine_fn blk_co_block_status_above(BlockBackend *blk,
+ BlockDriverState *base,
+ int64_t offset, int64_t bytes,
+ int64_t *pnum, int64_t *map,
+ BlockDriverState **file)
+{
+ IO_CODE();
+ return bdrv_co_block_status_above(blk_bs(blk), base, offset, bytes, pnum,
+ map, file);
+}
+
+int coroutine_fn blk_co_is_allocated_above(BlockBackend *blk,
+ BlockDriverState *base,
+ bool include_base, int64_t offset,
+ int64_t bytes, int64_t *pnum)
+{
+ IO_CODE();
+ return bdrv_co_is_allocated_above(blk_bs(blk), base, include_base, offset,
+ bytes, pnum);
+}
+
typedef struct BlkRwCo {
BlockBackend *blk;
int64_t offset;
diff --git a/block/commit.c b/block/commit.c
index 0029b31944..b346341767 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -155,8 +155,8 @@ static int coroutine_fn commit_run(Job *job, Error **errp)
break;
}
/* Copy if allocated above the base */
- ret = bdrv_is_allocated_above(blk_bs(s->top), s->base_overlay, true,
- offset, COMMIT_BUFFER_SIZE, &n);
+ ret = blk_co_is_allocated_above(s->top, s->base_overlay, true,
+ offset, COMMIT_BUFFER_SIZE, &n);
copy = (ret > 0);
trace_commit_one_iteration(s, offset, n, ret);
if (copy) {
diff --git a/include/sysemu/block-backend-io.h b/include/sysemu/block-backend-io.h
index 50f5aa2e07..ee3eb12610 100644
--- a/include/sysemu/block-backend-io.h
+++ b/include/sysemu/block-backend-io.h
@@ -92,6 +92,15 @@ int coroutine_fn blk_co_copy_range(BlockBackend *blk_in, int64_t off_in,
int64_t bytes, BdrvRequestFlags read_flags,
BdrvRequestFlags write_flags);
+int coroutine_fn blk_co_block_status_above(BlockBackend *blk,
+ BlockDriverState *base,
+ int64_t offset, int64_t bytes,
+ int64_t *pnum, int64_t *map,
+ BlockDriverState **file);
+int coroutine_fn blk_co_is_allocated_above(BlockBackend *blk,
+ BlockDriverState *base,
+ bool include_base, int64_t offset,
+ int64_t bytes, int64_t *pnum);
/*
* "I/O or GS" API functions. These functions can run without
diff --git a/nbd/server.c b/nbd/server.c
index 47c70e62a3..67ed333578 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -1988,7 +1988,7 @@ static int coroutine_fn nbd_co_send_structured_error(NBDClient *client,
}
/* Do a sparse read and send the structured reply to the client.
- * Returns -errno if sending fails. bdrv_block_status_above() failure is
+ * Returns -errno if sending fails. blk_co_block_status_above() failure is
* reported to the client, at which point this function succeeds.
*/
static int coroutine_fn nbd_co_send_sparse_read(NBDClient *client,
@@ -2004,10 +2004,10 @@ static int coroutine_fn nbd_co_send_sparse_read(NBDClient *client,
while (progress < size) {
int64_t pnum;
- int status = bdrv_block_status_above(blk_bs(exp->common.blk), NULL,
- offset + progress,
- size - progress, &pnum, NULL,
- NULL);
+ int status = blk_co_block_status_above(exp->common.blk, NULL,
+ offset + progress,
+ size - progress, &pnum, NULL,
+ NULL);
bool final;
if (status < 0) {
@@ -2138,15 +2138,15 @@ static int nbd_extent_array_add(NBDExtentArray *ea,
return 0;
}
-static int coroutine_fn blockstatus_to_extents(BlockDriverState *bs,
+static int coroutine_fn blockstatus_to_extents(BlockBackend *blk,
uint64_t offset, uint64_t bytes,
NBDExtentArray *ea)
{
while (bytes) {
uint32_t flags;
int64_t num;
- int ret = bdrv_co_block_status_above(bs, NULL, offset, bytes, &num,
- NULL, NULL);
+ int ret = blk_co_block_status_above(blk, NULL, offset, bytes, &num,
+ NULL, NULL);
if (ret < 0) {
return ret;
@@ -2166,14 +2166,14 @@ static int coroutine_fn blockstatus_to_extents(BlockDriverState *bs,
return 0;
}
-static int coroutine_fn blockalloc_to_extents(BlockDriverState *bs,
+static int coroutine_fn blockalloc_to_extents(BlockBackend *blk,
uint64_t offset, uint64_t bytes,
NBDExtentArray *ea)
{
while (bytes) {
int64_t num;
- int ret = bdrv_co_is_allocated_above(bs, NULL, false, offset, bytes,
- &num);
+ int ret = blk_co_is_allocated_above(blk, NULL, false, offset, bytes,
+ &num);
if (ret < 0) {
return ret;
@@ -2221,7 +2221,7 @@ static int nbd_co_send_extents(NBDClient *client, uint64_t handle,
/* Get block status from the exported device and send it to the client */
static int
coroutine_fn nbd_co_send_block_status(NBDClient *client, uint64_t handle,
- BlockDriverState *bs, uint64_t offset,
+ BlockBackend *blk, uint64_t offset,
uint32_t length, bool dont_fragment,
bool last, uint32_t context_id,
Error **errp)
@@ -2231,9 +2231,9 @@ coroutine_fn nbd_co_send_block_status(NBDClient *client, uint64_t handle,
g_autoptr(NBDExtentArray) ea = nbd_extent_array_new(nb_extents);
if (context_id == NBD_META_ID_BASE_ALLOCATION) {
- ret = blockstatus_to_extents(bs, offset, length, ea);
+ ret = blockstatus_to_extents(blk, offset, length, ea);
} else {
- ret = blockalloc_to_extents(bs, offset, length, ea);
+ ret = blockalloc_to_extents(blk, offset, length, ea);
}
if (ret < 0) {
return nbd_co_send_structured_error(
@@ -2560,7 +2560,7 @@ static coroutine_fn int nbd_handle_request(NBDClient *client,
if (client->export_meta.base_allocation) {
ret = nbd_co_send_block_status(client, request->handle,
- blk_bs(exp->common.blk),
+ exp->common.blk,
request->from,
request->len, dont_fragment,
!--contexts_remaining,
@@ -2573,7 +2573,7 @@ static coroutine_fn int nbd_handle_request(NBDClient *client,
if (client->export_meta.allocation_depth) {
ret = nbd_co_send_block_status(client, request->handle,
- blk_bs(exp->common.blk),
+ exp->common.blk,
request->from, request->len,
dont_fragment,
!--contexts_remaining,
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-23 06:12:33 +0000