diff options
Diffstat (limited to 'drivers/scsi/aacraid/commsup.c')
| -rw-r--r-- | drivers/scsi/aacraid/commsup.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index c7f80ec7abde..bed4e2dd1f3e 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -784,6 +784,7 @@ void aac_printf(struct aac_dev *dev, u32 val) * dispatches it to the appropriate routine for handling. */ +#define AIF_SNIFF_TIMEOUT (30*HZ) static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) { struct hw_fib * hw_fib = fibptr->hw_fib; @@ -837,6 +838,7 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) if (device) { dev->fsa_dev[container].config_needed = CHANGE; dev->fsa_dev[container].config_waiting_on = AifEnConfigChange; + dev->fsa_dev[container].config_waiting_stamp = jiffies; scsi_device_put(device); } } @@ -849,13 +851,15 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) if (container != (u32)-1) { if (container >= dev->maximum_num_containers) break; - if (dev->fsa_dev[container].config_waiting_on == - le32_to_cpu(*(u32 *)aifcmd->data)) + if ((dev->fsa_dev[container].config_waiting_on == + le32_to_cpu(*(u32 *)aifcmd->data)) && + time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT)) dev->fsa_dev[container].config_waiting_on = 0; } else for (container = 0; container < dev->maximum_num_containers; ++container) { - if (dev->fsa_dev[container].config_waiting_on == - le32_to_cpu(*(u32 *)aifcmd->data)) + if ((dev->fsa_dev[container].config_waiting_on == + le32_to_cpu(*(u32 *)aifcmd->data)) && + time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT)) dev->fsa_dev[container].config_waiting_on = 0; } break; @@ -872,6 +876,7 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) dev->fsa_dev[container].config_needed = ADD; dev->fsa_dev[container].config_waiting_on = AifEnConfigChange; + dev->fsa_dev[container].config_waiting_stamp = jiffies; break; /* @@ -884,6 +889,7 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) dev->fsa_dev[container].config_needed = DELETE; dev->fsa_dev[container].config_waiting_on = AifEnConfigChange; + dev->fsa_dev[container].config_waiting_stamp = jiffies; break; /* @@ -894,11 +900,13 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) container = le32_to_cpu(((u32 *)aifcmd->data)[1]); if (container >= dev->maximum_num_containers) break; - if (dev->fsa_dev[container].config_waiting_on) + if (dev->fsa_dev[container].config_waiting_on && + time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT)) break; dev->fsa_dev[container].config_needed = CHANGE; dev->fsa_dev[container].config_waiting_on = AifEnConfigChange; + dev->fsa_dev[container].config_waiting_stamp = jiffies; break; case AifEnConfigChange: @@ -913,13 +921,15 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) if (container != (u32)-1) { if (container >= dev->maximum_num_containers) break; - if (dev->fsa_dev[container].config_waiting_on == - le32_to_cpu(*(u32 *)aifcmd->data)) + if ((dev->fsa_dev[container].config_waiting_on == + le32_to_cpu(*(u32 *)aifcmd->data)) && + time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT)) dev->fsa_dev[container].config_waiting_on = 0; } else for (container = 0; container < dev->maximum_num_containers; ++container) { - if (dev->fsa_dev[container].config_waiting_on == - le32_to_cpu(*(u32 *)aifcmd->data)) + if ((dev->fsa_dev[container].config_waiting_on == + le32_to_cpu(*(u32 *)aifcmd->data)) && + time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT)) dev->fsa_dev[container].config_waiting_on = 0; } break; @@ -946,6 +956,8 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) dev->fsa_dev[container].config_waiting_on = AifEnContainerChange; dev->fsa_dev[container].config_needed = ADD; + dev->fsa_dev[container].config_waiting_stamp = + jiffies; } } if ((((u32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero)) @@ -961,6 +973,8 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) dev->fsa_dev[container].config_waiting_on = AifEnContainerChange; dev->fsa_dev[container].config_needed = DELETE; + dev->fsa_dev[container].config_waiting_stamp = + jiffies; } } break; @@ -969,8 +983,9 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) device_config_needed = NOTHING; for (container = 0; container < dev->maximum_num_containers; ++container) { - if ((dev->fsa_dev[container].config_waiting_on == 0) - && (dev->fsa_dev[container].config_needed != NOTHING)) { + if ((dev->fsa_dev[container].config_waiting_on == 0) && + (dev->fsa_dev[container].config_needed != NOTHING) && + time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT)) { device_config_needed = dev->fsa_dev[container].config_needed; dev->fsa_dev[container].config_needed = NOTHING; |
