Anyone have comments or criticisms? Lee? Suggestions on anyone else I should be pinging for feedback? These changes are in the iSCSI code, but are all netlink and sysfs related namespace issues so I get that it's not a typical SCSI review. - Chris On Tue, Oct 31, 2017 at 03:40:55PM -0700, Chris Leech wrote: > This series of changes makes the iSCSI netlink and sysfs control > interfaces filtered by network namespace. This is required to run > iscsid in any network namespace other than the initial default one. > > Currently the netlink communication will fail if iscsid is started in a > non-default network namespace, as there is no kernel side socket. After > fixing that, the rest of these changes are to filter visibility of the > iSCSI transport objects by netns. This allows for multiple iscsid > instances to be run, one per netns, each controlling it's own set of > iSCSI sessions. > > The iSCSI transport objects are filtered, but not the SCSI or block > layer devices. So while iSCSI hosts and sessions become limited to a > network namespace, any attached devices remain visible system wide. > > This currently only supports iscsi_tcp running in a new namespace, as it > creates a virtual host per session. Support could be added later to > allow assignment of iSCSI HBAs to network namespace, much as is done for > network interfaces. > > Chris Leech (9): > iscsi: create per-net iscsi netlink kernel sockets > iscsi: associate endpoints with a host > iscsi: sysfs filtering by network namespace > iscsi: make all iSCSI netlink multicast namespace aware > iscsi: set netns for iscsi_tcp hosts > iscsi: check net namespace for all iscsi lookups > iscsi: convert flashnode devices from bus to class > iscsi: rename iscsi_bus_flash_* to iscsi_flash_* > iscsi: filter flashnode sysfs by net namespace > > drivers/infiniband/ulp/iser/iscsi_iser.c | 7 +- > drivers/scsi/be2iscsi/be_iscsi.c | 6 +- > drivers/scsi/bnx2i/bnx2i_iscsi.c | 6 +- > drivers/scsi/cxgbi/libcxgbi.c | 6 +- > drivers/scsi/iscsi_tcp.c | 7 + > drivers/scsi/qedi/qedi_iscsi.c | 6 +- > drivers/scsi/qla4xxx/ql4_os.c | 62 +-- > drivers/scsi/scsi_transport_iscsi.c | 625 ++++++++++++++++++++++--------- > include/scsi/scsi_transport_iscsi.h | 63 ++-- > 9 files changed, 538 insertions(+), 250 deletions(-) > > -- > 2.9.5 >
