diff options
Diffstat (limited to 'block/block-backend.c')
| -rw-r--r-- | block/block-backend.c | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index dc2bc60b9e..4c704a134f 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -743,21 +743,6 @@ static int blk_check_byte_request(BlockBackend *blk, int64_t offset, return 0; } -static int blk_check_request(BlockBackend *blk, int64_t sector_num, - int nb_sectors) -{ - if (sector_num < 0 || sector_num > INT64_MAX / BDRV_SECTOR_SIZE) { - return -EIO; - } - - if (nb_sectors < 0 || nb_sectors > INT_MAX / BDRV_SECTOR_SIZE) { - return -EIO; - } - - return blk_check_byte_request(blk, sector_num * BDRV_SECTOR_SIZE, - nb_sectors * BDRV_SECTOR_SIZE); -} - int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags) @@ -1500,15 +1485,15 @@ int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset, flags | BDRV_REQ_ZERO_WRITE); } -int blk_write_compressed(BlockBackend *blk, int64_t sector_num, - const uint8_t *buf, int nb_sectors) +int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, const void *buf, + int count) { - int ret = blk_check_request(blk, sector_num, nb_sectors); + int ret = blk_check_byte_request(blk, offset, count); if (ret < 0) { return ret; } - return bdrv_write_compressed(blk_bs(blk), sector_num, buf, nb_sectors); + return bdrv_pwrite_compressed(blk_bs(blk), offset, buf, count); } int blk_truncate(BlockBackend *blk, int64_t offset) |