Mike Christie wrote:
Olivier Galibert wrote:
On Mon, Nov 14, 2005 at 12:53:31PM +0100, Arjan van de Ven wrote:
The experience with Fedora so far is exceptionally good; in early 2.6
there were some reports with XFS stacked on top of DM, but since then
XFS has gone on a stack diet... also the -mm patches to do non-recursive
IO submission will bury this (mostly theoretical) monster for good.
Not theorical for iscsi though. I guess net+block is a little too
much.
If you have stack problem with iscsi then you should post it to those
lists or send me a pointer offlist. There were problems with iscsi and
XFS but they should be fixed in mainline. The XFS + iscsi problems that
have been reported have not been stack usage problems though.
I think to hit a iscsi stack problem you will have to have the scsi
request_fn get called from __make_request (or one of the functions it
calls like __elv_add_request which looks like it could call
__generic_unplug_device). And then the iscsi queuecomamnd would have to
hit the path that calls iscsi_data_xmit. Have you hit this?
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