On Mon, Feb 19, 2007 at 07:21:09PM -0500, Benjamin LaHaise wrote: > On Mon, Feb 19, 2007 at 04:50:48PM -0500, Chris Mason wrote: > > aio is not responsible for this particular synchronization. Those fixes > > (if we make them) should come from other places. The patch is important > > to get aio error handling right. > > > > I would argue that one common cause of the EIO is userland > > error (mmap concurrent with O_DIRECT), and EIO is the correct answer. > > I disagree. That means that using the pagecache to synchronize things like > the proposed online defragmentation will occasionally make O_DIRECT users > fail. O_DIRECT doesn't prevent the sysadmin from copying files or other > page cache uses, which implies that generating an error in these cases is > horrifically broken. If only root could do it, I wouldn't complain, but > this would seem to imply that user vs root holes still exist.
I'm working on this part in the placeholder patches. It's just a separate problem from the aio code. -chris - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
