diff options
| -rw-r--r-- | drivers/scsi/libsas/sas_init.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/libsas/sas_scsi_host.c | 29 | ||||
| -rw-r--r-- | include/scsi/libsas.h | 9 |
3 files changed, 33 insertions, 7 deletions
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index c836a237fb79..a2b479a65908 100644 --- a/drivers/scsi/libsas/sas_init.c +++ b/drivers/scsi/libsas/sas_init.c @@ -112,6 +112,8 @@ int sas_register_ha(struct sas_ha_struct *sas_ha) } } + INIT_LIST_HEAD(&sas_ha->eh_done_q); + return 0; Undo_ports: diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index e46e79355b77..6a97b07849b4 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -29,6 +29,7 @@ #include <scsi/scsi_device.h> #include <scsi/scsi_tcq.h> #include <scsi/scsi.h> +#include <scsi/scsi_eh.h> #include <scsi/scsi_transport.h> #include <scsi/scsi_transport_sas.h> #include "../scsi_sas_internal.h" @@ -46,6 +47,7 @@ static void sas_scsi_task_done(struct sas_task *task) { struct task_status_struct *ts = &task->task_status; struct scsi_cmnd *sc = task->uldd_task; + struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(sc->device->host); unsigned ts_flags = task->task_state_flags; int hs = 0, stat = 0; @@ -116,7 +118,7 @@ static void sas_scsi_task_done(struct sas_task *task) sas_free_task(task); /* This is very ugly but this is how SCSI Core works. */ if (ts_flags & SAS_TASK_STATE_ABORTED) - scsi_finish_command(sc); + scsi_eh_finish_cmd(sc, &sas_ha->eh_done_q); else sc->scsi_done(sc); } @@ -307,6 +309,15 @@ static enum task_disposition sas_scsi_find_task(struct sas_task *task) spin_unlock_irqrestore(&core->task_queue_lock, flags); } + spin_lock_irqsave(&task->task_state_lock, flags); + if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) { + spin_unlock_irqrestore(&task->task_state_lock, flags); + SAS_DPRINTK("%s: task 0x%p already aborted\n", + __FUNCTION__, task); + return TASK_IS_ABORTED; + } + spin_unlock_irqrestore(&task->task_state_lock, flags); + for (i = 0; i < 5; i++) { SAS_DPRINTK("%s: aborting task 0x%p\n", __FUNCTION__, task); res = si->dft->lldd_abort_task(task); @@ -409,13 +420,16 @@ Again: SAS_DPRINTK("going over list...\n"); list_for_each_entry_safe(cmd, n, &error_q, eh_entry) { struct sas_task *task = TO_SAS_TASK(cmd); + list_del_init(&cmd->eh_entry); + if (!task) { + SAS_DPRINTK("%s: taskless cmd?!\n", __FUNCTION__); + continue; + } SAS_DPRINTK("trying to find task 0x%p\n", task); - list_del_init(&cmd->eh_entry); res = sas_scsi_find_task(task); cmd->eh_eflags = 0; - shost->host_failed--; switch (res) { case TASK_IS_DONE: @@ -491,6 +505,7 @@ Again: } } out: + scsi_eh_flush_done_q(&ha->eh_done_q); SAS_DPRINTK("--- Exit %s\n", __FUNCTION__); return; clear_q: @@ -508,12 +523,18 @@ enum scsi_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd) unsigned long flags; if (!task) { - SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n", + SAS_DPRINTK("command 0x%p, task 0x%p, gone: EH_HANDLED\n", cmd, task); return EH_HANDLED; } spin_lock_irqsave(&task->task_state_lock, flags); + if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) { + spin_unlock_irqrestore(&task->task_state_lock, flags); + SAS_DPRINTK("command 0x%p, task 0x%p, aborted by initiator: " + "EH_NOT_HANDLED\n", cmd, task); + return EH_NOT_HANDLED; + } if (task->task_state_flags & SAS_TASK_STATE_DONE) { spin_unlock_irqrestore(&task->task_state_lock, flags); SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n", diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 9582e8401669..7bf2e8b9903c 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -338,6 +338,8 @@ struct sas_ha_struct { void (*notify_phy_event)(struct asd_sas_phy *, enum phy_event); void *lldd_ha; /* not touched by sas class code */ + + struct list_head eh_done_q; }; #define SHOST_TO_SAS_HA(_shost) (*(struct sas_ha_struct **)(_shost)->hostdata) @@ -530,9 +532,10 @@ struct sas_task { -#define SAS_TASK_STATE_PENDING 1 -#define SAS_TASK_STATE_DONE 2 -#define SAS_TASK_STATE_ABORTED 4 +#define SAS_TASK_STATE_PENDING 1 +#define SAS_TASK_STATE_DONE 2 +#define SAS_TASK_STATE_ABORTED 4 +#define SAS_TASK_INITIATOR_ABORTED 8 static inline struct sas_task *sas_alloc_task(gfp_t flags) { |