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Commit 1dc990df authored by David Sterba's avatar David Sterba
Browse files

btrfs: move dev_stats helpers to volumes.c 



The other dev stats functions are already there and the helpers are not
used by anything else.

Reviewed-by: default avatarJohannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 67b61aef

fs/btrfs/ctree.h

+0 −24
Original line number Diff line number Diff line
@@ -2258,30 +2258,6 @@ static inline u32 btrfs_file_extent_inline_item_len( 
	return btrfs_item_size(eb, e) - BTRFS_FILE_EXTENT_INLINE_DATA_START;

}



/* btrfs_dev_stats_item */

static inline u64 btrfs_dev_stats_value(const struct extent_buffer *eb,

					const struct btrfs_dev_stats_item *ptr,

					int index)

{

	u64 val;



	read_extent_buffer(eb, &val,

			   offsetof(struct btrfs_dev_stats_item, values) +

			    ((unsigned long)ptr) + (index * sizeof(u64)),

			   sizeof(val));

	return val;

}



static inline void btrfs_set_dev_stats_value(struct extent_buffer *eb,

					     struct btrfs_dev_stats_item *ptr,

					     int index, u64 val)

{

	write_extent_buffer(eb, &val,

			    offsetof(struct btrfs_dev_stats_item, values) +

			     ((unsigned long)ptr) + (index * sizeof(u64)),

			    sizeof(val));

}



/* btrfs_qgroup_status_item */

BTRFS_SETGET_FUNCS(qgroup_status_generation, struct btrfs_qgroup_status_item,

		   generation, 64);

fs/btrfs/volumes.c

+23 −0
Original line number Diff line number Diff line
@@ -7285,6 +7285,29 @@ void btrfs_init_devices_late(struct btrfs_fs_info *fs_info) 
	}

}



static u64 btrfs_dev_stats_value(const struct extent_buffer *eb,

				 const struct btrfs_dev_stats_item *ptr,

				 int index)

{

	u64 val;



	read_extent_buffer(eb, &val,

			   offsetof(struct btrfs_dev_stats_item, values) +

			    ((unsigned long)ptr) + (index * sizeof(u64)),

			   sizeof(val));

	return val;

}



static void btrfs_set_dev_stats_value(struct extent_buffer *eb,

				      struct btrfs_dev_stats_item *ptr,

				      int index, u64 val)

{

	write_extent_buffer(eb, &val,

			    offsetof(struct btrfs_dev_stats_item, values) +

			     ((unsigned long)ptr) + (index * sizeof(u64)),

			    sizeof(val));

}



int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info)

{

	struct btrfs_key key;