diff options
| -rw-r--r-- | drivers/target/loopback/tcm_loop.c | 5 | ||||
| -rw-r--r-- | drivers/target/target_core_transport.c | 7 | ||||
| -rw-r--r-- | drivers/target/tcm_fc/tcm_fc.h | 2 | ||||
| -rw-r--r-- | drivers/target/tcm_fc/tfc_cmd.c | 3 | ||||
| -rw-r--r-- | include/target/target_core_fabric_ops.h | 7 |
5 files changed, 16 insertions, 8 deletions
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c index 3c9c318f66ed..3df1c9b8ae6b 100644 --- a/drivers/target/loopback/tcm_loop.c +++ b/drivers/target/loopback/tcm_loop.c @@ -205,7 +205,7 @@ static int tcm_loop_new_cmd_map(struct se_cmd *se_cmd) /* * Called from struct target_core_fabric_ops->check_stop_free() */ -static void tcm_loop_check_stop_free(struct se_cmd *se_cmd) +static int tcm_loop_check_stop_free(struct se_cmd *se_cmd) { /* * Do not release struct se_cmd's containing a valid TMR @@ -213,12 +213,13 @@ static void tcm_loop_check_stop_free(struct se_cmd *se_cmd) * with transport_generic_free_cmd(). */ if (se_cmd->se_tmr_req) - return; + return 0; /* * Release the struct se_cmd, which will make a callback to release * struct tcm_loop_cmd * in tcm_loop_deallocate_core_cmd() */ transport_generic_free_cmd(se_cmd, 0); + return 1; } static void tcm_loop_release_cmd(struct se_cmd *se_cmd) diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 5dee44639f8f..bf8867f44021 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -514,13 +514,16 @@ static int transport_cmd_check_stop( * Some fabric modules like tcm_loop can release * their internally allocated I/O reference now and * struct se_cmd now. + * + * Fabric modules are expected to return '1' here if the + * se_cmd being passed is released at this point, + * or zero if not being released. */ if (cmd->se_tfo->check_stop_free != NULL) { spin_unlock_irqrestore( &cmd->t_state_lock, flags); - cmd->se_tfo->check_stop_free(cmd); - return 1; + return cmd->se_tfo->check_stop_free(cmd); } } spin_unlock_irqrestore(&cmd->t_state_lock, flags); diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h index 3749d8b4b423..e05c55100ec6 100644 --- a/drivers/target/tcm_fc/tcm_fc.h +++ b/drivers/target/tcm_fc/tcm_fc.h @@ -156,7 +156,7 @@ int ft_lport_notify(struct notifier_block *, unsigned long, void *); /* * IO methods. */ -void ft_check_stop_free(struct se_cmd *); +int ft_check_stop_free(struct se_cmd *); void ft_release_cmd(struct se_cmd *); int ft_queue_status(struct se_cmd *); int ft_queue_data_in(struct se_cmd *); diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c index 6195026cc7b0..4fac37c4c615 100644 --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -112,9 +112,10 @@ void ft_release_cmd(struct se_cmd *se_cmd) ft_free_cmd(cmd); } -void ft_check_stop_free(struct se_cmd *se_cmd) +int ft_check_stop_free(struct se_cmd *se_cmd) { transport_generic_free_cmd(se_cmd, 0); + return 1; } /* diff --git a/include/target/target_core_fabric_ops.h b/include/target/target_core_fabric_ops.h index 126c675f4f14..04c591da0844 100644 --- a/include/target/target_core_fabric_ops.h +++ b/include/target/target_core_fabric_ops.h @@ -46,9 +46,12 @@ struct target_core_fabric_ops { int (*new_cmd_map)(struct se_cmd *); /* * Optional to release struct se_cmd and fabric dependent allocated - * I/O descriptor in transport_cmd_check_stop() + * I/O descriptor in transport_cmd_check_stop(). + * + * Returning 1 will signal a descriptor has been released. + * Returning 0 will signal a descriptor has not been released. */ - void (*check_stop_free)(struct se_cmd *); + int (*check_stop_free)(struct se_cmd *); void (*release_cmd)(struct se_cmd *); /* * Called with spin_lock_bh(struct se_portal_group->session_lock held. |