Add abort flag and use it to terminate processing when an exchange
is timed out or is reset.
Signed-off-by: Mark Rustad <mark.d.rustad@xxxxxxxxx>
Acked-by: Kiran Patil <Kiran.patil@xxxxxxxxx>
---
drivers/target/tcm_fc/tcm_fc.h | 1 +
drivers/target/tcm_fc/tfc_cmd.c | 8 +++++++-
drivers/target/tcm_fc/tfc_io.c | 2 ++
3 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h
index e05c551..be7ed12 100644
--- a/drivers/target/tcm_fc/tcm_fc.h
+++ b/drivers/target/tcm_fc/tcm_fc.h
@@ -124,6 +124,7 @@ struct ft_cmd {
/* Local sense buffer */
unsigned char ft_sense_buffer[TRANSPORT_SENSE_BUFFER];
u32 was_ddp_setup:1; /* Set only if ddp is setup */
+ u32 aborted:1; /* Set if aborted by reset or timeout */
struct scatterlist *sg; /* Set only if DDP is setup */
u32 sg_cnt; /* No. of item in scatterlist */
};
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 9e7e26c..4d3283c 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -126,6 +126,8 @@ int ft_queue_status(struct se_cmd *se_cmd)
struct fc_exch *ep;
size_t len;
+ if (cmd->aborted)
+ return 0;
ft_dump_cmd(cmd, __func__);
ep = fc_seq_exch(cmd->seq);
lport = ep->lp;
@@ -192,6 +194,8 @@ int ft_write_pending(struct se_cmd *se_cmd)
ft_dump_cmd(cmd, __func__);
+ if (cmd->aborted)
+ return 0;
ep = fc_seq_exch(cmd->seq);
lport = ep->lp;
fp = fc_frame_alloc(lport, sizeof(*txrdy));
@@ -265,7 +269,7 @@ static void ft_recv_seq(struct fc_seq *sp, struct fc_frame *fp, void *arg)
if (IS_ERR(fp)) {
/* XXX need to find cmd if queued */
cmd->seq = NULL;
- transport_generic_free_cmd(&cmd->se_cmd, 0);
+ cmd->aborted = true;
return;
}
@@ -445,6 +449,8 @@ int ft_queue_tm_resp(struct se_cmd *se_cmd)
struct se_tmr_req *tmr = se_cmd->se_tmr_req;
enum fcp_resp_rsp_codes code;
+ if (cmd->aborted)
+ return 0;
switch (tmr->response) {
case TMR_FUNCTION_COMPLETE:
code = FCP_TMF_CMPL;
diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index d8cabc2..7b34f9b 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -81,6 +81,8 @@ int ft_queue_data_in(struct se_cmd *se_cmd)
void *from;
void *to = NULL;
+ if (cmd->aborted)
+ return 0;
ep = fc_seq_exch(cmd->seq);
lport = ep->lp;
cmd->seq = lport->tt.seq_start_next(cmd->seq);
--
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