scsi: tcmu: remove useless code and clean up the code style.

Since the TCMU_RING_SIZE macro is not using here will discard it and at the
same time clean up the code style.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
Acked-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index 7f96dfa32b9cdf1cbf167fe1b0581e3b94f1a08b..e4a76f9771cec875755435b8f07e672a87f26a20 100644 (file)
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -83,14 +83,10 @@
 #define DATA_BLOCK_SIZE PAGE_SIZE
 #define DATA_BLOCK_SHIFT PAGE_SHIFT
 #define DATA_BLOCK_BITS_DEF (256 * 1024)
-#define DATA_SIZE (DATA_BLOCK_BITS * DATA_BLOCK_SIZE)
 
 #define TCMU_MBS_TO_BLOCKS(_mbs) (_mbs << (20 - DATA_BLOCK_SHIFT))
 #define TCMU_BLOCKS_TO_MBS(_blocks) (_blocks >> (20 - DATA_BLOCK_SHIFT))
 
-/* The total size of the ring is 8M + 256K * PAGE_SIZE */
-#define TCMU_RING_SIZE (CMDR_SIZE + DATA_SIZE)
-
 /*
  * Default number of global data blocks(512K * PAGE_SIZE)
  * when the unmap thread will be started.
@@ -283,7 +279,7 @@ static int tcmu_genl_cmd_done(struct genl_info *info, int completed_cmd)
        if (!info->attrs[TCMU_ATTR_CMD_STATUS] ||
            !info->attrs[TCMU_ATTR_DEVICE_ID]) {
                printk(KERN_ERR "TCMU_ATTR_CMD_STATUS or TCMU_ATTR_DEVICE_ID not set, doing nothing\n");
-                return -EINVAL;
+               return -EINVAL;
         }
 
        dev_id = nla_get_u32(info->attrs[TCMU_ATTR_DEVICE_ID]);
@@ -313,7 +309,7 @@ static int tcmu_genl_cmd_done(struct genl_info *info, int completed_cmd)
 
        spin_unlock(&udev->nl_cmd_lock);
        if (!is_removed)
-                target_undepend_item(&dev->dev_group.cg_item);
+               target_undepend_item(&dev->dev_group.cg_item);
        if (!ret)
                complete(&nl_cmd->complete);
        return ret;