[PULL,27/29] block: Use blk_co_pwritev() in blk_co_write_zeroes()

Commit Message

Kevin Wolf March 17, 2016, 3:56 p.m. UTC

Signed-off-by: Kevin Wolf <[e-mail]>
---
 block/block-backend.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Patch

diff --git a/block/block-backend.c b/block/block-backend.c
index 972a617..dca21d1 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1462,12 +1462,13 @@  void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk,
 int coroutine_fn blk_co_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;
+    if (nb_sectors < 0 || nb_sectors > BDRV_REQUEST_MAX_SECTORS) {
+        return -EINVAL;
     }
 
-    return bdrv_co_write_zeroes(blk_bs(blk), sector_num, nb_sectors, flags);
+    return blk_co_pwritev(blk, sector_num << BDRV_SECTOR_BITS,
+                          nb_sectors << BDRV_SECTOR_BITS, NULL,
+                          BDRV_REQ_ZERO_WRITE);
 }
 
 int blk_write_compressed(BlockBackend *blk, int64_t sector_num,