[PATCH] btrfs/raid56: remove unused actions

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No one care p_stripe in its functions. Guess it's safe to remove.

Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
Cc: Chris Mason <clm@xxxxxx> 
Cc: Josef Bacik <josef@xxxxxxxxxxxxxx> 
Cc: David Sterba <dsterba@xxxxxxxx> 
Cc: linux-btrfs@xxxxxxxxxxxxxxx 
Cc: linux-kernel@xxxxxxxxxxxxxxx 
---
 fs/btrfs/raid56.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index a8e53c8e7b01..fbee5681e690 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -1196,7 +1196,6 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
 	int nr_data = rbio->nr_data;
 	int stripe;
 	int pagenr;
-	int p_stripe = -1;
 	int q_stripe = -1;
 	struct bio_list bio_list;
 	struct bio *bio;
@@ -1204,14 +1203,10 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
 
 	bio_list_init(&bio_list);
 
-	if (rbio->real_stripes - rbio->nr_data == 1) {
-		p_stripe = rbio->real_stripes - 1;
-	} else if (rbio->real_stripes - rbio->nr_data == 2) {
-		p_stripe = rbio->real_stripes - 2;
+	if (rbio->real_stripes - rbio->nr_data == 2)
 		q_stripe = rbio->real_stripes - 1;
-	} else {
+	else
 		BUG();
-	}
 
 	/* at this point we either have a full stripe,
 	 * or we've read the full stripe from the drive.
-- 
1.8.3.1




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