diff options
| author | Hannes Reinecke <hare@suse.de> | 2013-12-17 09:18:45 +0100 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2013-12-17 10:34:49 -0800 |
| commit | dfbce75ac8b4ed5dc51f8f144ebb274db940388d (patch) | |
| tree | 84a804689e3316f2a5df0737d0680cd5bed14325 /drivers/target | |
| parent | 1e0b9403bd2e77006ae8dcdf279c0f30c7efc258 (diff) | |
| download | blackbird-op-linux-dfbce75ac8b4ed5dc51f8f144ebb274db940388d.tar.gz blackbird-op-linux-dfbce75ac8b4ed5dc51f8f144ebb274db940388d.zip | |
target_core_alua: store old and pending ALUA state
During state transition we should be storing both the original
and the pending state.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_alua.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 738244bceb1b..4805e970295a 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -812,12 +812,15 @@ static int core_alua_do_transition_tg_pt( struct se_lun_acl *lacl; struct se_port *port; struct t10_alua_tg_pt_gp_member *mem; - int old_state = 0; + /* * Save the old primary ALUA access state, and set the current state * to ALUA_ACCESS_STATE_TRANSITION. */ - old_state = atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state); + tg_pt_gp->tg_pt_gp_alua_previous_state = + atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state); + tg_pt_gp->tg_pt_gp_alua_pending_state = new_state; + atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state, ALUA_ACCESS_STATE_TRANSITION); tg_pt_gp->tg_pt_gp_alua_access_status = (explicit) ? @@ -898,13 +901,15 @@ static int core_alua_do_transition_tg_pt( /* * Set the current primary ALUA access state to the requested new state */ - atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state, new_state); + atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state, + tg_pt_gp->tg_pt_gp_alua_pending_state); pr_debug("Successful %s ALUA transition TG PT Group: %s ID: %hu" " from primary access state %s to %s\n", (explicit) ? "explicit" : "implicit", config_item_name(&tg_pt_gp->tg_pt_gp_group.cg_item), - tg_pt_gp->tg_pt_gp_id, core_alua_dump_state(old_state), - core_alua_dump_state(new_state)); + tg_pt_gp->tg_pt_gp_id, + core_alua_dump_state(tg_pt_gp->tg_pt_gp_alua_previous_state), + core_alua_dump_state(tg_pt_gp->tg_pt_gp_alua_pending_state)); return 0; } |
