Commit 4e411a7d authored by Anand Jain's avatar Anand Jain Committed by David Sterba
Browse files

btrfs: reset device stat using btrfs_dev_stat_set 



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

Signed-off-by: default avatarAnand Jain <anand.jain@oracle.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 73798c46

fs/btrfs/volumes.c

+3 −3
Original line number Diff line number Diff line
@@ -7303,7 +7303,7 @@ 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)
@@ -7353,7 +7353,7 @@ 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;
@@ -7536,7 +7536,7 @@ 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++)

fs/btrfs/volumes.h

+0 −6
Original line number Diff line number Diff line
@@ -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[].

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