[PATCH 2/2] btrfs: drop optimal argument from find_live_mirror()

[Anand Jain <anand.jain@oracle.com>]

Drop optimal argument from the function find_live_mirror()
as we can deduce it in the function itself.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
 fs/btrfs/volumes.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 9c9d987838c2..a61715677b67 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -5253,10 +5253,11 @@ int btrfs_is_parity_mirror(struct btrfs_fs_info *fs_info, u64 logical, u64 len)
 
 static int find_live_mirror(struct btrfs_fs_info *fs_info,
 			    struct map_lookup *map, int first,
-			    int optimal, int dev_replace_is_ongoing)
+			    int dev_replace_is_ongoing)
 {
 	int i;
 	int num;
+	int optimal;
 	int tolerance;
 	struct btrfs_device *srcdev;
 
@@ -5268,6 +5269,8 @@ static int find_live_mirror(struct btrfs_fs_info *fs_info,
 	else
 		num = map->num_stripes;
 
+	optimal = first + current->pid % num;
+
 	if (dev_replace_is_ongoing &&
 	    fs_info->dev_replace.cont_reading_from_srcdev_mode ==
 	     BTRFS_DEV_REPLACE_ITEM_CONT_READING_FROM_SRCDEV_MODE_AVOID)
@@ -5821,7 +5824,6 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
 			stripe_index = mirror_num - 1;
 		else {
 			stripe_index = find_live_mirror(fs_info, map, 0,
-					    current->pid % map->num_stripes,
 					    dev_replace_is_ongoing);
 			mirror_num = stripe_index + 1;
 		}
@@ -5849,8 +5851,6 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
 			int old_stripe_index = stripe_index;
 			stripe_index = find_live_mirror(fs_info, map,
 					      stripe_index,
-					      stripe_index +
-					      current->pid % map->sub_stripes,
 					      dev_replace_is_ongoing);
 			mirror_num = stripe_index - old_stripe_index + 1;
 		}
-- 
2.7.0