[PATCH 1/2] btrfs: reset device stat using btrfs_dev_stat_set

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

btrfs_dev_stat_reset() is an overdo in terms of wrapping. So this patch
open codes btrfs_dev_stat_reset().

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
 fs/btrfs/volumes.c | 6 +++---
 fs/btrfs/volumes.h | 6 ------
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index ea9ff506681a..3eed7968fe16 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -7316,7 +7316,7 @@ static void __btrfs_reset_dev_stats(struct btrfs_device *dev)
 	int i;
 
 	for (i = 0; i < BTRFS_DEV_STAT_VALUES_MAX; i++)
-		btrfs_dev_stat_reset(dev, i);
+		btrfs_dev_stat_set(dev, i, 0);
 }
 
 int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info)
@@ -7366,7 +7366,7 @@ int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info)
 				btrfs_dev_stat_set(device, i,
 					btrfs_dev_stats_value(eb, ptr, i));
 			else
-				btrfs_dev_stat_reset(device, i);
+				btrfs_dev_stat_set(device, i, 0);
 		}
 
 		device->dev_stats_valid = 1;
@@ -7549,7 +7549,7 @@ int btrfs_get_dev_stats(struct btrfs_fs_info *fs_info,
 				stats->values[i] =
 					btrfs_dev_stat_read_and_reset(dev, i);
 			else
-				btrfs_dev_stat_reset(dev, i);
+				btrfs_dev_stat_set(dev, i, 0);
 		}
 	} else {
 		for (i = 0; i < BTRFS_DEV_STAT_VALUES_MAX; i++)
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 081cb734a239..a7da1f3e3627 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -547,12 +547,6 @@ static inline void btrfs_dev_stat_set(struct btrfs_device *dev,
 	atomic_inc(&dev->dev_stats_ccnt);
 }
 
-static inline void btrfs_dev_stat_reset(struct btrfs_device *dev,
-					int index)
-{
-	btrfs_dev_stat_set(dev, index, 0);
-}
-
 /*
  * Convert block group flags (BTRFS_BLOCK_GROUP_*) to btrfs_raid_types, which
  * can be used as index to access btrfs_raid_array[].
-- 
2.21.0 (Apple Git-120)