1 files changed, 55 insertions, 8 deletions

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 54cdfcc929ae..6800e578e4b1 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1688,23 +1688,23 @@ static void synchronize_callback(void *context, struct fib *fibptr)
         if (!aac_valid_context(cmd, fibptr))
                 return;
 
-        dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n", 
+        dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
                                 smp_processor_id(), jiffies));
         BUG_ON(fibptr == NULL);
 
 
         synchronizereply = fib_data(fibptr);
         if (le32_to_cpu(synchronizereply->status) == CT_OK)
-                cmd->result = DID_OK << 16 | 
+                cmd->result = DID_OK << 16 |
                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
         else {
                 struct scsi_device *sdev = cmd->device;
                 struct aac_dev *dev = fibptr->dev;
                 u32 cid = sdev_id(sdev);
-                printk(KERN_WARNING 
+                printk(KERN_WARNING
                      "synchronize_callback: synchronize failed, status = %d\n",
                      le32_to_cpu(synchronizereply->status));
-                cmd->result = DID_OK << 16 | 
+                cmd->result = DID_OK << 16 |
                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
                 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
                                     HARDWARE_ERROR,
@@ -1712,7 +1712,7 @@ static void synchronize_callback(void *context, struct fib *fibptr)
                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
                                     0, 0);
                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
-                  min(sizeof(dev->fsa_dev[cid].sense_data), 
+                  min(sizeof(dev->fsa_dev[cid].sense_data),
                           sizeof(cmd->sense_buffer)));
         }
 
@@ -1730,6 +1730,9 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd)
         struct scsi_device *sdev = scsicmd->device;
         int active = 0;
         struct aac_dev *aac;
+        u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
+                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
+        u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
         unsigned long flags;
 
         /*
@@ -1738,7 +1741,51 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd)
          */
         spin_lock_irqsave(&sdev->list_lock, flags);
         list_for_each_entry(cmd, &sdev->cmd_list, list)
-                if (cmd != scsicmd && cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
+                if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
+                        u64 cmnd_lba;
+                        u32 cmnd_count;
+
+                        if (cmd->cmnd[0] == WRITE_6) {
+                                cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
+                                        (cmd->cmnd[2] << 8) |
+                                        cmd->cmnd[3];
+                                cmnd_count = cmd->cmnd[4];
+                                if (cmnd_count == 0)
+                                        cmnd_count = 256;
+                        } else if (cmd->cmnd[0] == WRITE_16) {
+                                cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
+                                        ((u64)cmd->cmnd[3] << 48) |
+                                        ((u64)cmd->cmnd[4] << 40) |
+                                        ((u64)cmd->cmnd[5] << 32) |
+                                        ((u64)cmd->cmnd[6] << 24) |
+                                        (cmd->cmnd[7] << 16) |
+                                        (cmd->cmnd[8] << 8) |
+                                        cmd->cmnd[9];
+                                cmnd_count = (cmd->cmnd[10] << 24) |
+                                        (cmd->cmnd[11] << 16) |
+                                        (cmd->cmnd[12] << 8) |
+                                        cmd->cmnd[13];
+                        } else if (cmd->cmnd[0] == WRITE_12) {
+                                cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
+                                        (cmd->cmnd[3] << 16) |
+                                        (cmd->cmnd[4] << 8) |
+                                        cmd->cmnd[5];
+                                cmnd_count = (cmd->cmnd[6] << 24) |
+                                        (cmd->cmnd[7] << 16) |
+                                        (cmd->cmnd[8] << 8) |
+                                        cmd->cmnd[9];
+                        } else if (cmd->cmnd[0] == WRITE_10) {
+                                cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
+                                        (cmd->cmnd[3] << 16) |
+                                        (cmd->cmnd[4] << 8) |
+                                        cmd->cmnd[5];
+                                cmnd_count = (cmd->cmnd[7] << 8) |
+                                        cmd->cmnd[8];
+                        } else
+                                continue;
+                        if (((cmnd_lba + cmnd_count) < lba) ||
+                          (count && ((lba + count) < cmnd_lba)))
+                                continue;
                         ++active;
                         break;
                 }
@@ -1767,7 +1814,7 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd)
         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
-        synchronizecmd->count = 
+        synchronizecmd->count =
              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
 
         /*
@@ -1789,7 +1836,7 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd)
                 return 0;
         }
 
-        printk(KERN_WARNING 
+        printk(KERN_WARNING
                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
         aac_fib_complete(cmd_fibcontext);
         aac_fib_free(cmd_fibcontext);