Hi sage, I have a few questions regards to bluestore want to confirm from design view, I mean some cases is true for current kerneldevice impl, but it doesn't required by BlueStore(upper layer): 1. Two IOContext need to share data for buffer ops? and what about read_buffered. like: IOContext a, b; bdev->aio_write(a, 0, 100, true) bdev->read(b, 0, 100, true) bdev->read_buffered(0, 100) b could read data from another "a" which haven't call bdev->flush(). or this overlap case is guard by BlueStore already? 2. Is it possible exists single IOContext overlap ops? like: IOContext a; bdev->aio_write(a, 0, 100, true) bdev->read(a, 0, 50, true) OR IOContext a; bdev->aio_write(a, 0, 100, false) bdev->read(a, 0, 50, false) read op need to aware of the inflight write ops from the same IOContext? or bluestore will prevent this? -- Best Regards, Wheat -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
