starred/qemu
1
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2026-02-04 05:35:39 +00:00
Code Issues 380 Packages Projects Releases Wiki Activity

block: make bdrv_co_parent_cb_resize() a proper IO API function

Browse Source 
In preparation for calling it via the bdrv_child_cb_resize() callback
that will be added by the next commit. Rename it to include the "_co_"
part while at it.

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
Message-ID: <20250917115509.401015-3-f.ebner@proxmox.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fiona Ebner
2025-09-17 13:54:49 +02:00
committed by Kevin Wolf
parent 4120375420
commit 08736e7584
2 changed files with 9 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
block/io.c
View File

@@ -46,9 +46,6 @@
/* Maximum read size for checking if data reads as zero, in bytes */
#define MAX_ZERO_CHECK_BUFFER (128 * KiB)
static void coroutine_fn GRAPH_RDLOCK
bdrv_parent_cb_resize(BlockDriverState *bs);
static int coroutine_fn bdrv_co_do_pwrite_zeroes(BlockDriverState *bs,
int64_t offset, int64_t bytes, BdrvRequestFlags flags);
@@ -2038,7 +2035,7 @@ bdrv_co_write_req_finish(BdrvChild *child, int64_t offset, int64_t bytes,
end_sector > bs->total_sectors) &&
req->type != BDRV_TRACKED_DISCARD) {
bs->total_sectors = end_sector;
bdrv_parent_cb_resize(bs);
bdrv_co_parent_cb_resize(bs);
bdrv_dirty_bitmap_truncate(bs, end_sector << BDRV_SECTOR_BITS);
}
if (req->bytes) {
@@ -3570,11 +3567,11 @@ int coroutine_fn bdrv_co_copy_range(BdrvChild *src, int64_t src_offset,
bytes, read_flags, write_flags);
}
static void coroutine_fn GRAPH_RDLOCK
bdrv_parent_cb_resize(BlockDriverState *bs)
void coroutine_fn bdrv_co_parent_cb_resize(BlockDriverState *bs)
{
BdrvChild *c;
IO_CODE();
assert_bdrv_graph_readable();
QLIST_FOREACH(c, &bs->parents, next_parent) {

6
include/block/block_int-io.h
View File

@@ -191,4 +191,10 @@ void bdrv_bsc_invalidate_range(BlockDriverState *bs,
*/
void bdrv_bsc_fill(BlockDriverState *bs, int64_t offset, int64_t bytes);
/*
* Notify all parents that the size of the child changed.
*/
void coroutine_fn GRAPH_RDLOCK
bdrv_co_parent_cb_resize(BlockDriverState *bs);
#endif /* BLOCK_INT_IO_H */