[patch]raid5: remove unused variables

[patch]raid5: remove unused variables

[Shaohua Li]

The two variables are useless.

Signed-off-by: Shaohua Li <shli@fusionio.com>
---
  drivers/md/raid5.c |    4 ----
  1 file changed, 4 deletions(-)

Index: linux/drivers/md/raid5.c
===================================================================
--- linux.orig/drivers/md/raid5.c	2012-04-17 11:56:16.606009690 +0800
+++ linux/drivers/md/raid5.c	2012-04-17 11:57:47.026009295 +0800
@@ -3953,12 +3953,10 @@ static void make_request(struct mddev *m
  	plugged = mddev_check_plugged(mddev);
  	for (;logical_sector < last_sector; logical_sector += STRIPE_SECTORS) {
  		DEFINE_WAIT(w);
-		int disks, data_disks;
  		int previous;

  	retry:
  		previous = 0;
-		disks = conf->raid_disks;
  		prepare_to_wait(&conf->wait_for_overlap, &w, TASK_UNINTERRUPTIBLE);
  		if (unlikely(conf->reshape_progress != MaxSector)) {
  			/* spinlock is needed as reshape_progress may be
@@ -3973,7 +3971,6 @@ static void make_request(struct mddev *m
  			if (mddev->delta_disks < 0
  			    ? logical_sector < conf->reshape_progress
  			    : logical_sector >= conf->reshape_progress) {
-				disks = conf->previous_raid_disks;
  				previous = 1;
  			} else {
  				if (mddev->delta_disks < 0
@@ -3986,7 +3983,6 @@ static void make_request(struct mddev *m
  			}
  			spin_unlock_irq(&conf->device_lock);
  		}
-		data_disks = disks - conf->max_degraded;

  		new_sector = raid5_compute_sector(conf, logical_sector,
  						  previous,

Re: [patch]raid5: remove unused variables

[NeilBrown]

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On Tue, 17 Apr 2012 13:09:26 +0800 Shaohua Li <shli@kernel.org> wrote:

> 
> The two variables are useless.
> 
> Signed-off-by: Shaohua Li <shli@fusionio.com>
> ---
>   drivers/md/raid5.c |    4 ----
>   1 file changed, 4 deletions(-)
> 
> Index: linux/drivers/md/raid5.c
> ===================================================================
> --- linux.orig/drivers/md/raid5.c	2012-04-17 11:56:16.606009690 +0800
> +++ linux/drivers/md/raid5.c	2012-04-17 11:57:47.026009295 +0800
> @@ -3953,12 +3953,10 @@ static void make_request(struct mddev *m
>   	plugged = mddev_check_plugged(mddev);
>   	for (;logical_sector < last_sector; logical_sector += STRIPE_SECTORS) {
>   		DEFINE_WAIT(w);
> -		int disks, data_disks;
>   		int previous;
> 
>   	retry:
>   		previous = 0;
> -		disks = conf->raid_disks;
>   		prepare_to_wait(&conf->wait_for_overlap, &w, TASK_UNINTERRUPTIBLE);
>   		if (unlikely(conf->reshape_progress != MaxSector)) {
>   			/* spinlock is needed as reshape_progress may be
> @@ -3973,7 +3971,6 @@ static void make_request(struct mddev *m
>   			if (mddev->delta_disks < 0
>   			    ? logical_sector < conf->reshape_progress
>   			    : logical_sector >= conf->reshape_progress) {
> -				disks = conf->previous_raid_disks;
>   				previous = 1;
>   			} else {
>   				if (mddev->delta_disks < 0
> @@ -3986,7 +3983,6 @@ static void make_request(struct mddev *m
>   			}
>   			spin_unlock_irq(&conf->device_lock);
>   		}
> -		data_disks = disks - conf->max_degraded;
> 
>   		new_sector = raid5_compute_sector(conf, logical_sector,
>   						  previous,


applied, thanks.

NeilBrown

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