Nicholas Bellinger 3aee26b4ae vhost/scsi: Add pre-allocation for tv_cmd SGL + upages memory ...

This patch adds support for pre-allocation of per tv_cmd descriptor
scatterlist + user-space page pointer memory using se_sess->sess_cmd_map
within tcm_vhost_make_nexus() code.

This includes sanity checks within vhost_scsi_map_to_sgl()
to reject I/O that exceeds these initial hardcoded values, and
the necessary cleanup in tcm_vhost_make_nexus() failure path +
tcm_vhost_drop_nexus().

v3 changes:
  - Rebase to v3.11-rc5 code

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Asias He <asias@redhat.com>
Cc: Kent Overstreet <kmo@daterainc.com>
Reviewed-by: Asias He <asias@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

2013-09-09 14:29:19 -07:00

..

Kconfig

vhost: Make vhost a separate module

2013-07-07 17:33:44 +03:00

Makefile

vhost: Make vhost a separate module

2013-07-07 17:33:44 +03:00

net.c

vhost: Remove custom vhost rcu usage

2013-07-11 15:38:40 +03:00

scsi.c

vhost/scsi: Add pre-allocation for tv_cmd SGL + upages memory

2013-09-09 14:29:19 -07:00

test.c

vhost: Remove custom vhost rcu usage

2013-07-11 15:38:40 +03:00

test.h

vhost test module

2010-12-09 16:00:21 +02:00

vhost.c

vhost: Make vhost a separate module

2013-07-07 17:33:44 +03:00

vhost.h

vhost: Remove custom vhost rcu usage

2013-07-11 15:38:40 +03:00

vringh.c

Add missing module license tag to vring helpers.

2013-05-08 10:49:03 +09:30