diff options
Diffstat (limited to 'qemu-img.c')
-rw-r--r-- | qemu-img.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/qemu-img.c b/qemu-img.c index 6949b73ca5..74e3362653 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -3455,13 +3455,11 @@ static int img_amend(int argc, char **argv) create_opts = qemu_opts_append(create_opts, bs->drv->create_opts); opts = qemu_opts_create(create_opts, NULL, 0, &error_abort); - if (options) { - qemu_opts_do_parse(opts, options, NULL, &err); - if (err) { - error_report_err(err); - ret = -1; - goto out; - } + qemu_opts_do_parse(opts, options, NULL, &err); + if (err) { + error_report_err(err); + ret = -1; + goto out; } /* In case the driver does not call amend_status_cb() */ @@ -3559,20 +3557,23 @@ static void bench_cb(void *opaque, int ret) } while (b->n > b->in_flight && b->in_flight < b->nrreq) { + int64_t offset = b->offset; + /* blk_aio_* might look for completed I/Os and kick bench_cb + * again, so make sure this operation is counted by in_flight + * and b->offset is ready for the next submission. + */ + b->in_flight++; + b->offset += b->step; + b->offset %= b->image_size; if (b->write) { - acb = blk_aio_pwritev(b->blk, b->offset, b->qiov, 0, - bench_cb, b); + acb = blk_aio_pwritev(b->blk, offset, b->qiov, 0, bench_cb, b); } else { - acb = blk_aio_preadv(b->blk, b->offset, b->qiov, 0, - bench_cb, b); + acb = blk_aio_preadv(b->blk, offset, b->qiov, 0, bench_cb, b); } if (!acb) { error_report("Failed to issue request"); exit(EXIT_FAILURE); } - b->in_flight++; - b->offset += b->step; - b->offset %= b->image_size; } } |