diff options
| -rw-r--r-- | block/block-backend.c | 11 | ||||
| -rw-r--r-- | include/sysemu/block-backend.h | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 48b6e4c05c..93e46f376a 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -515,6 +515,17 @@ int blk_write(BlockBackend *blk, int64_t sector_num, const uint8_t *buf, return bdrv_write(blk->bs, sector_num, buf, nb_sectors); } +int blk_write_zeroes(BlockBackend *blk, int64_t sector_num, + int nb_sectors, BdrvRequestFlags flags) +{ + int ret = blk_check_request(blk, sector_num, nb_sectors); + if (ret < 0) { + return ret; + } + + return bdrv_write_zeroes(blk->bs, sector_num, nb_sectors, flags); +} + static void error_callback_bh(void *opaque) { struct BlockBackendAIOCB *acb = opaque; diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 77e9b9c370..b4a4d5e0b9 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -87,6 +87,8 @@ int blk_read_unthrottled(BlockBackend *blk, int64_t sector_num, uint8_t *buf, int nb_sectors); int blk_write(BlockBackend *blk, int64_t sector_num, const uint8_t *buf, int nb_sectors); +int blk_write_zeroes(BlockBackend *blk, int64_t sector_num, + int nb_sectors, BdrvRequestFlags flags); BlockAIOCB *blk_aio_write_zeroes(BlockBackend *blk, int64_t sector_num, int nb_sectors, BdrvRequestFlags flags, BlockCompletionFunc *cb, void *opaque); |