diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/rbd.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/block/rbd.c b/block/rbd.c index 8f183eba2a..6caf35cbba 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -1107,6 +1107,20 @@ static int coroutine_fn qemu_rbd_start_co(BlockDriverState *bs, assert(!qiov || qiov->size == bytes); + if (cmd == RBD_AIO_WRITE || cmd == RBD_AIO_WRITE_ZEROES) { + /* + * RBD APIs don't allow us to write more than actual size, so in order + * to support growing images, we resize the image before write + * operations that exceed the current size. + */ + if (offset + bytes > s->image_size) { + int r = qemu_rbd_resize(bs, offset + bytes); + if (r < 0) { + return r; + } + } + } + r = rbd_aio_create_completion(&task, (rbd_callback_t) qemu_rbd_completion_cb, &c); if (r < 0) { @@ -1182,18 +1196,6 @@ coroutine_fn qemu_rbd_co_pwritev(BlockDriverState *bs, int64_t offset, int64_t bytes, QEMUIOVector *qiov, BdrvRequestFlags flags) { - BDRVRBDState *s = bs->opaque; - /* - * RBD APIs don't allow us to write more than actual size, so in order - * to support growing images, we resize the image before write - * operations that exceed the current size. - */ - if (offset + bytes > s->image_size) { - int r = qemu_rbd_resize(bs, offset + bytes); - if (r < 0) { - return r; - } - } return qemu_rbd_start_co(bs, offset, bytes, qiov, flags, RBD_AIO_WRITE); } |