Commit ac5578fe authored by Naohiro Aota's avatar Naohiro Aota Committed by David Sterba
Browse files

btrfs: factor out init_space_info() from create_space_info() 



Factor out initialization of the space_info struct, which is used in a
later patch. There is no functional change.

Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: default avatarNaohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 1c34e719

fs/btrfs/space-info.c

+16 −11
Original line number Diff line number Diff line
@@ -234,19 +234,11 @@ void btrfs_update_space_info_chunk_size(struct btrfs_space_info *space_info, 
	WRITE_ONCE(space_info->chunk_size, chunk_size);

}



static int create_space_info(struct btrfs_fs_info *info, u64 flags)

static void init_space_info(struct btrfs_fs_info *info,

			    struct btrfs_space_info *space_info, u64 flags)

{



	struct btrfs_space_info *space_info;

	int i;

	int ret;



	space_info = kzalloc(sizeof(*space_info), GFP_NOFS);

	if (!space_info)

		return -ENOMEM;



	space_info->fs_info = info;

	for (i = 0; i < BTRFS_NR_RAID_TYPES; i++)

	for (int i = 0; i < BTRFS_NR_RAID_TYPES; i++)

		INIT_LIST_HEAD(&space_info->block_groups[i]);

	init_rwsem(&space_info->groups_sem);

	spin_lock_init(&space_info->lock);
@@ -260,6 +252,19 @@ static int create_space_info(struct btrfs_fs_info *info, u64 flags) 


	if (btrfs_is_zoned(info))

		space_info->bg_reclaim_threshold = BTRFS_DEFAULT_ZONED_RECLAIM_THRESH;

}



static int create_space_info(struct btrfs_fs_info *info, u64 flags)

{



	struct btrfs_space_info *space_info;

	int ret;



	space_info = kzalloc(sizeof(*space_info), GFP_NOFS);

	if (!space_info)

		return -ENOMEM;



	init_space_info(info, space_info, flags);



	ret = btrfs_sysfs_add_space_info_type(info, space_info);

	if (ret)