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-rw-r--r--block/block-backend.c8
-rw-r--r--block/io.c31
-rw-r--r--include/block/block.h2
-rw-r--r--include/block/block_int.h3
-rw-r--r--qemu-img.c2
5 files changed, 3 insertions, 43 deletions
diff --git a/block/block-backend.c b/block/block-backend.c
index 76ea45955f..d1349d90e5 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1488,12 +1488,8 @@ int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset,
int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, const void *buf,
int count)
{
- int ret = blk_check_byte_request(blk, offset, count);
- if (ret < 0) {
- return ret;
- }
-
- return bdrv_pwrite_compressed(blk->root, offset, buf, count);
+ return blk_prw(blk, offset, (void *) buf, count, blk_write_entry,
+ BDRV_REQ_WRITE_COMPRESSED);
}
int blk_truncate(BlockBackend *blk, int64_t offset)
diff --git a/block/io.c b/block/io.c
index d402076e95..0339911dbb 100644
--- a/block/io.c
+++ b/block/io.c
@@ -1887,37 +1887,6 @@ int bdrv_is_allocated_above(BlockDriverState *top,
return 0;
}
-int bdrv_pwrite_compressed(BdrvChild *child, int64_t offset,
- const void *buf, int bytes)
-{
- BlockDriverState *bs = child->bs;
- BlockDriver *drv = bs->drv;
- QEMUIOVector qiov;
- struct iovec iov;
-
- if (!drv) {
- return -ENOMEDIUM;
- }
- if (drv->bdrv_write_compressed) {
- int ret = bdrv_check_byte_request(bs, offset, bytes);
- if (ret < 0) {
- return ret;
- }
- assert(QLIST_EMPTY(&bs->dirty_bitmaps));
- assert((offset & (BDRV_SECTOR_SIZE - 1)) == 0);
- assert((bytes & (BDRV_SECTOR_SIZE - 1)) == 0);
- return drv->bdrv_write_compressed(bs, offset >> BDRV_SECTOR_BITS, buf,
- bytes >> BDRV_SECTOR_BITS);
- }
- iov = (struct iovec) {
- .iov_base = (void *)buf,
- .iov_len = bytes,
- };
- qemu_iovec_init_external(&qiov, &iov, 1);
-
- return bdrv_prwv_co(child, offset, &qiov, true, BDRV_REQ_WRITE_COMPRESSED);
-}
-
typedef struct BdrvVmstateCo {
BlockDriverState *bs;
QEMUIOVector *qiov;
diff --git a/include/block/block.h b/include/block/block.h
index d8dacd2ced..7edce5c35f 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -400,8 +400,6 @@ const char *bdrv_get_node_name(const BlockDriverState *bs);
const char *bdrv_get_device_name(const BlockDriverState *bs);
const char *bdrv_get_device_or_node_name(const BlockDriverState *bs);
int bdrv_get_flags(BlockDriverState *bs);
-int bdrv_pwrite_compressed(BdrvChild *child, int64_t offset,
- const void *buf, int bytes);
int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
ImageInfoSpecific *bdrv_get_specific_info(BlockDriverState *bs);
void bdrv_round_sectors_to_clusters(BlockDriverState *bs,
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 42f8f8443d..9c61f49f94 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -204,9 +204,6 @@ struct BlockDriver {
bool has_variable_length;
int64_t (*bdrv_get_allocated_file_size)(BlockDriverState *bs);
- int (*bdrv_write_compressed)(BlockDriverState *bs, int64_t sector_num,
- const uint8_t *buf, int nb_sectors);
-
int coroutine_fn (*bdrv_co_pwritev_compressed)(BlockDriverState *bs,
uint64_t offset, uint64_t bytes, QEMUIOVector *qiov);
diff --git a/qemu-img.c b/qemu-img.c
index c2ea494928..1090286a9f 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -2034,7 +2034,7 @@ static int img_convert(int argc, char **argv)
const char *preallocation =
qemu_opt_get(opts, BLOCK_OPT_PREALLOC);
- if (!drv->bdrv_write_compressed && !drv->bdrv_co_pwritev_compressed) {
+ if (!drv->bdrv_co_pwritev_compressed) {
error_report("Compression not supported for this file format");
ret = -1;
goto out;