On Thu, 23 Jul 2009 15:28:52 +0200 Tomasz Torcz <tomek@xxxxxxxxxxxxxx> wrote: > On Wed, Jul 22, 2009 at 10:40:31AM -0400, Chris Mason wrote: > > On Wed, Jul 22, 2009 at 01:27:06PM +0200, Tomasz Torcz wrote: > > > > > > Hi, > > > > > > I tried to export file from btrfs volume using iSCSI target. > > > As soon as some initiator have read it over network, server > > > oopsed: http://www.kerneloops.org/submitresult.php?number=557979 > > > Kernel is Fedora's 2.6.29.6-213.fc11.x86_64. I'm aware that > > > target iSCSI functionality is out-of-tree (I'm using iscsitarget-0.4.17-3), > > > so it may not be safe. But is there any known incompatibility > > > between iscsi-target and btrfs? > > > > Sorry, I don't know of any problems between btrfs and iscsi. Is the > > iscsi target configured to use linux aio? That could be the problem. > > I'm not sure, I'm a mere user. This target software seems to read > files from kernelspace, which as I understand is frowned upon. > If you are interested, sourcecode is at http://iscsitarget.sourceforge.net/ > Ooops occured in fileio_make_request(), in iscsitarget-0.4.17/kernel/file-io.c > file. iscsitarget is a kernel-space implementation. I guess that it plays with the vfs in a wrong way. It's better to ask it on iscsitarget mailing list. tgt (Tomasz Chmielewski recommended) is a user-space implementation. It should work with btrfs. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
