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bb048357da
This patch adds a sock->sk_state_change() -> iscsi_target_sk_state_change() callback in order to handle transient TCP failures during the login process, where sock->sk_data_ready() -> iscsi_target_sk_data_ready() may not be called to release connection resources, and relinquish tpg->np_login_lock via iscsit_deaccess_np() It performs the sk->sk_state check using iscsi_target_sk_state_check() to look for TCP_CLOSE_WAIT + TCP_CLOSE, and invokes schedule_delayed_work() -> iscsi_target_do_cleanup() to perform the remaining cleanup from process context. It adds an explicit sk_state_check to iscsi_target_do_login() in order to determine a state failure when iscsi_target_sk_state_change() may not be able to proceed before LOGIN_FLAGS_READY=1 is set. Also use sk->sk_sndtimeo -> sk->sk_rcvtimeo settings during login to iscsi_target_set_sock_callbacks(), and revert back post login to use MAX_SCHEDULE_TIMEOUT in iscsi_target_restore_sock_callbacks(). Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> |
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.. | ||
iscsi_target_auth.c | ||
iscsi_target_auth.h | ||
iscsi_target_configfs.c | ||
iscsi_target_configfs.h | ||
iscsi_target_core.h | ||
iscsi_target_datain_values.c | ||
iscsi_target_datain_values.h | ||
iscsi_target_device.c | ||
iscsi_target_device.h | ||
iscsi_target_erl0.c | ||
iscsi_target_erl0.h | ||
iscsi_target_erl1.c | ||
iscsi_target_erl1.h | ||
iscsi_target_erl2.c | ||
iscsi_target_erl2.h | ||
iscsi_target_login.c | ||
iscsi_target_login.h | ||
iscsi_target_nego.c | ||
iscsi_target_nego.h | ||
iscsi_target_nodeattrib.c | ||
iscsi_target_nodeattrib.h | ||
iscsi_target_parameters.c | ||
iscsi_target_parameters.h | ||
iscsi_target_seq_pdu_list.c | ||
iscsi_target_seq_pdu_list.h | ||
iscsi_target_stat.c | ||
iscsi_target_stat.h | ||
iscsi_target_tmr.c | ||
iscsi_target_tmr.h | ||
iscsi_target_tpg.c | ||
iscsi_target_tpg.h | ||
iscsi_target_tq.c | ||
iscsi_target_tq.h | ||
iscsi_target_transport.c | ||
iscsi_target_util.c | ||
iscsi_target_util.h | ||
iscsi_target.c | ||
iscsi_target.h | ||
Kconfig | ||
Makefile |