qemu-io passed bytes where it's supposed to pass sectors, so discard requests were off.
Signed-off-by: Kevin Wolf <kw...@redhat.com> --- qemu-io.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/qemu-io.c b/qemu-io.c index 5b24c5e..4470e49 100644 --- a/qemu-io.c +++ b/qemu-io.c @@ -1465,7 +1465,7 @@ discard_f(int argc, char **argv) } gettimeofday(&t1, NULL); - ret = bdrv_discard(bs, offset, count); + ret = bdrv_discard(bs, offset >> BDRV_SECTOR_BITS, count >> BDRV_SECTOR_BITS); gettimeofday(&t2, NULL); if (ret < 0) { -- 1.7.2.3