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author | Bart Van Assche <bart.vanassche@sandisk.com> | 2017-05-23 16:48:43 -0700 |
---|---|---|
committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2017-07-06 23:11:26 -0700 |
commit | 4412a67131a037fa1d032bcd50270e9d336a775d (patch) | |
tree | c4db961dcc2f01c62d0b34c7b73be17d108229d1 /drivers/target/iscsi | |
parent | 4c1f0e65397f4e5768b955c32489d5b4b6b92a90 (diff) | |
download | linux-exynos-4412a67131a037fa1d032bcd50270e9d336a775d.tar.gz linux-exynos-4412a67131a037fa1d032bcd50270e9d336a775d.tar.bz2 linux-exynos-4412a67131a037fa1d032bcd50270e9d336a775d.zip |
target/iscsi: Remove second argument of __iscsit_free_cmd()
Initialize .data_direction to DMA_NONE in iscsit_allocate_cmd()
such that the second argument of __iscsit_free_cmd() can be left
out. Note: this patch causes the first part of __iscsit_free_cmd()
no longer to be skipped for TMFs. That's fine since no data
segments are associated with TMFs.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andy Grover <agrover@redhat.com>
Cc: David Disseldorp <ddiss@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/iscsi')
-rw-r--r-- | drivers/target/iscsi/iscsi_target.c | 4 | ||||
-rw-r--r-- | drivers/target/iscsi/iscsi_target_util.c | 29 | ||||
-rw-r--r-- | drivers/target/iscsi/iscsi_target_util.h | 2 |
3 files changed, 15 insertions, 20 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 3fdca2cdd8da..735d4ff2d0ce 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -488,15 +488,13 @@ EXPORT_SYMBOL(iscsit_queue_rsp); void iscsit_aborted_task(struct iscsi_conn *conn, struct iscsi_cmd *cmd) { - bool scsi_cmd = (cmd->iscsi_opcode == ISCSI_OP_SCSI_CMD); - spin_lock_bh(&conn->cmd_lock); if (!list_empty(&cmd->i_conn_node) && !(cmd->se_cmd.transport_state & CMD_T_FABRIC_STOP)) list_del_init(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); - __iscsit_free_cmd(cmd, scsi_cmd, true); + __iscsit_free_cmd(cmd, true); } EXPORT_SYMBOL(iscsit_aborted_task); diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index 7d3e2fcc26a0..41b9e7cc08b8 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -167,6 +167,7 @@ struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *conn, int state) cmd->se_cmd.map_tag = tag; cmd->conn = conn; + cmd->data_direction = DMA_NONE; INIT_LIST_HEAD(&cmd->i_conn_node); INIT_LIST_HEAD(&cmd->datain_list); INIT_LIST_HEAD(&cmd->cmd_r2t_list); @@ -711,19 +712,16 @@ void iscsit_release_cmd(struct iscsi_cmd *cmd) } EXPORT_SYMBOL(iscsit_release_cmd); -void __iscsit_free_cmd(struct iscsi_cmd *cmd, bool scsi_cmd, - bool check_queues) +void __iscsit_free_cmd(struct iscsi_cmd *cmd, bool check_queues) { struct iscsi_conn *conn = cmd->conn; - if (scsi_cmd) { - if (cmd->data_direction == DMA_TO_DEVICE) { - iscsit_stop_dataout_timer(cmd); - iscsit_free_r2ts_from_list(cmd); - } - if (cmd->data_direction == DMA_FROM_DEVICE) - iscsit_free_all_datain_reqs(cmd); + if (cmd->data_direction == DMA_TO_DEVICE) { + iscsit_stop_dataout_timer(cmd); + iscsit_free_r2ts_from_list(cmd); } + if (cmd->data_direction == DMA_FROM_DEVICE) + iscsit_free_all_datain_reqs(cmd); if (conn && check_queues) { iscsit_remove_cmd_from_immediate_queue(cmd, conn); @@ -738,23 +736,22 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown) { struct se_cmd *se_cmd = NULL; int rc; - bool op_scsi = false; + /* * Determine if a struct se_cmd is associated with * this struct iscsi_cmd. */ switch (cmd->iscsi_opcode) { case ISCSI_OP_SCSI_CMD: - op_scsi = true; /* * Fallthrough */ case ISCSI_OP_SCSI_TMFUNC: se_cmd = &cmd->se_cmd; - __iscsit_free_cmd(cmd, op_scsi, shutdown); + __iscsit_free_cmd(cmd, shutdown); rc = transport_generic_free_cmd(se_cmd, shutdown); if (!rc && shutdown && se_cmd->se_sess) { - __iscsit_free_cmd(cmd, op_scsi, shutdown); + __iscsit_free_cmd(cmd, shutdown); target_put_sess_cmd(se_cmd); } break; @@ -766,18 +763,18 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown) */ if (cmd->se_cmd.se_tfo != NULL) { se_cmd = &cmd->se_cmd; - __iscsit_free_cmd(cmd, true, shutdown); + __iscsit_free_cmd(cmd, shutdown); rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown); if (!rc && shutdown && se_cmd->se_sess) { - __iscsit_free_cmd(cmd, true, shutdown); + __iscsit_free_cmd(cmd, shutdown); target_put_sess_cmd(se_cmd); } break; } /* Fall-through */ default: - __iscsit_free_cmd(cmd, false, shutdown); + __iscsit_free_cmd(cmd, shutdown); iscsit_release_cmd(cmd); break; } diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h index 9e4197af8708..425160565d0c 100644 --- a/drivers/target/iscsi/iscsi_target_util.h +++ b/drivers/target/iscsi/iscsi_target_util.h @@ -37,7 +37,7 @@ extern void iscsit_remove_cmd_from_tx_queues(struct iscsi_cmd *, struct iscsi_co extern bool iscsit_conn_all_queues_empty(struct iscsi_conn *); extern void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *); extern void iscsit_release_cmd(struct iscsi_cmd *); -extern void __iscsit_free_cmd(struct iscsi_cmd *, bool, bool); +extern void __iscsit_free_cmd(struct iscsi_cmd *, bool); extern void iscsit_free_cmd(struct iscsi_cmd *, bool); extern int iscsit_check_session_usage_count(struct iscsi_session *); extern void iscsit_dec_session_usage_count(struct iscsi_session *); |