From 7d680f3b74dd6f0f57569eeeee8c257790ceaa96 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 21 Dec 2011 14:13:47 -0500 Subject: target: replace various cmd flags with a transport state Replace various atomic_ts used as flags in struct se_cmd with a single transport_state bitmap that requires t_state_lock to be held for modifications. In the target core that assumption generally is true, but some recently added code in the SRP target had to grow new lock calls. I can't say I like the way how it messes with the command state directly, but let's leave that for later. (Re-add missing ib_srpt.c changes that nab dropped..) Signed-off-by: Christoph Hellwig Signed-off-by: Nicholas Bellinger --- drivers/target/iscsi/iscsi_target.c | 2 +- drivers/target/iscsi/iscsi_target_erl1.c | 2 +- drivers/target/iscsi/iscsi_target_tmr.c | 6 +++--- 3 files changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers/target/iscsi') diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 44262908def5..bf0e8e75a272 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -1363,7 +1363,7 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf) * outstanding_r2ts reaches zero, go ahead and send the delayed * TASK_ABORTED status. */ - if (atomic_read(&se_cmd->t_transport_aborted) != 0) { + if (se_cmd->transport_state & CMD_T_ABORTED) { if (hdr->flags & ISCSI_FLAG_CMD_FINAL) if (--cmd->outstanding_r2ts < 1) { iscsit_stop_dataout_timer(cmd); diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c index 27901e37c125..006f605edb08 100644 --- a/drivers/target/iscsi/iscsi_target_erl1.c +++ b/drivers/target/iscsi/iscsi_target_erl1.c @@ -416,7 +416,7 @@ static int iscsit_handle_recovery_datain( struct iscsi_datain_req *dr; struct se_cmd *se_cmd = &cmd->se_cmd; - if (!atomic_read(&se_cmd->t_transport_complete)) { + if (!(se_cmd->transport_state & CMD_T_COMPLETE)) { pr_err("Ignoring ITT: 0x%08x Data SNACK\n", cmd->init_task_tag); return 0; diff --git a/drivers/target/iscsi/iscsi_target_tmr.c b/drivers/target/iscsi/iscsi_target_tmr.c index 255ed35da815..e01da9d2b37e 100644 --- a/drivers/target/iscsi/iscsi_target_tmr.c +++ b/drivers/target/iscsi/iscsi_target_tmr.c @@ -250,7 +250,7 @@ static int iscsit_task_reassign_complete_write( * so if we have received all DataOUT we can safety ignore Initiator. */ if (cmd->cmd_flags & ICF_GOT_LAST_DATAOUT) { - if (!atomic_read(&cmd->se_cmd.t_transport_sent)) { + if (!(cmd->se_cmd.transport_state & CMD_T_SENT)) { pr_debug("WRITE ITT: 0x%08x: t_state: %d" " never sent to transport\n", cmd->init_task_tag, cmd->se_cmd.t_state); @@ -314,7 +314,7 @@ static int iscsit_task_reassign_complete_read( cmd->acked_data_sn = (tmr_req->exp_data_sn - 1); } - if (!atomic_read(&cmd->se_cmd.t_transport_sent)) { + if (!(cmd->se_cmd.transport_state & CMD_T_SENT)) { pr_debug("READ ITT: 0x%08x: t_state: %d never sent to" " transport\n", cmd->init_task_tag, cmd->se_cmd.t_state); @@ -322,7 +322,7 @@ static int iscsit_task_reassign_complete_read( return 0; } - if (!atomic_read(&se_cmd->t_transport_complete)) { + if (!(se_cmd->transport_state & CMD_T_COMPLETE)) { pr_err("READ ITT: 0x%08x: t_state: %d, never returned" " from transport\n", cmd->init_task_tag, cmd->se_cmd.t_state); -- cgit v1.2.3