[PATCH] BTRFS: Runs the xor function if a Block has failed

[Sanidhya Solanki]

The patch adds the xor function after the P stripe
has failed, without bad data or the Q stripe.

Signed-off-by: Sanidhya Solanki <jpage.lkml@xxxxxxxxx>
---
 fs/btrfs/raid56.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 1a33d3e..d33734a 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -1864,8 +1864,8 @@ static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)
 					/*
 					 * Just the P stripe has failed, without
 					 * a bad data or Q stripe.
-					 * TODO, we should redo the xor here.
 					 */
+					run_xor(pointers, rbio->nr_data - 1, PAGE_CACHE_SIZE);
 					err = -EIO;
 					goto cleanup;
 				}
-- 
2.5.0

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