diff options
| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2013-08-19 03:35:46 +0400 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2013-09-10 01:27:21 +0400 |
| commit | 6faaa85f375543ea0d49a27e953ed18aec05ae56 (patch) | |
| tree | 072dce0ff0f78c936a80968999e4ec5b05f21ea6 /drivers/infiniband | |
| parent | ea3a179abee6792b2b08f8710e19adbc75e866b1 (diff) | |
| download | linux-6faaa85f375543ea0d49a27e953ed18aec05ae56.tar.xz | |
iser-target: Updates for login negotiation multi-plexing support
This patch updates iser-target code to support login negotiation
multi-plexing. This includes only using isert_conn->conn_login_comp
for the first login request PDU, pushing the subsequent processing
to iscsi_conn->login_work -> iscsi_target_do_login_rx(), and turning
isert_get_login_rx() into a NOP.
v3 changes:
- Drop unnecessary LOGIN_FLAGS_READ_ACTIVE bit set in
isert_rx_login_req()
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/ulp/isert/ib_isert.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 3f62041222f2..c42748b3b257 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -869,7 +869,11 @@ isert_rx_login_req(struct iser_rx_desc *rx_desc, int rx_buflen, size, rx_buflen, MAX_KEY_VALUE_PAIRS); memcpy(login->req_buf, &rx_desc->data[0], size); - complete(&isert_conn->conn_login_comp); + if (login->first_request) { + complete(&isert_conn->conn_login_comp); + return; + } + schedule_delayed_work(&conn->login_work, 0); } static void @@ -2224,6 +2228,14 @@ isert_get_login_rx(struct iscsi_conn *conn, struct iscsi_login *login) int ret; pr_debug("isert_get_login_rx before conn_login_comp conn: %p\n", conn); + /* + * For login requests after the first PDU, isert_rx_login_req() will + * kick schedule_delayed_work(&conn->login_work) as the packet is + * received, which turns this callback from iscsi_target_do_login_rx() + * into a NOP. + */ + if (!login->first_request) + return 0; ret = wait_for_completion_interruptible(&isert_conn->conn_login_comp); if (ret) |