block: Switch discard length bounds to byte-based

[mirror_qemu.git] / qemu-img.c

diff --git a/qemu-img.c b/qemu-img.c
index 046b267420bfe65ef02f1244a7118259b25eba50..3a7c162fb052ece62530fcacbe45167baa1f3c88 100644 (file)
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -2091,7 +2091,8 @@ static int img_convert(int argc, char **argv)
     bufsectors = MIN(32768,
                      MAX(bufsectors,
                          MAX(out_bs->bl.opt_transfer >> BDRV_SECTOR_BITS,
-                             out_bs->bl.discard_alignment)));
+                             out_bs->bl.pdiscard_alignment >>
+                             BDRV_SECTOR_BITS)));
 
     if (skip_create) {
         int64_t output_sectors = blk_nb_sectors(out_blk);