From e2f13b343c147bc34691301c30d8a8b35d0a2e5c Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Mon, 24 Oct 2022 14:46:56 -0400 Subject: btrfs: move btrfs_account_ro_block_groups_free_space into space-info.c This was prototyped in ctree.h and the code existed in extent-tree.c, but it's space-info related so move it into space-info.c. Signed-off-by: Josef Bacik Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/ctree.h | 1 - fs/btrfs/extent-tree.c | 34 ---------------------------------- fs/btrfs/space-info.c | 34 ++++++++++++++++++++++++++++++++++ fs/btrfs/space-info.h | 1 + 4 files changed, 35 insertions(+), 35 deletions(-) (limited to 'fs/btrfs') diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index a430577cf8b7..07f876961da1 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -576,7 +576,6 @@ void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes); int btrfs_delalloc_reserve_metadata(struct btrfs_inode *inode, u64 num_bytes, u64 disk_num_bytes, bool noflush); -u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo); int btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info, u64 start, u64 end); int btrfs_discard_extent(struct btrfs_fs_info *fs_info, u64 bytenr, diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 8d28ba360e9a..b97c99a8dd4c 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -5975,40 +5975,6 @@ int btrfs_drop_subtree(struct btrfs_trans_handle *trans, return ret; } -/* - * helper to account the unused space of all the readonly block group in the - * space_info. takes mirrors into account. - */ -u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo) -{ - struct btrfs_block_group *block_group; - u64 free_bytes = 0; - int factor; - - /* It's df, we don't care if it's racy */ - if (list_empty(&sinfo->ro_bgs)) - return 0; - - spin_lock(&sinfo->lock); - list_for_each_entry(block_group, &sinfo->ro_bgs, ro_list) { - spin_lock(&block_group->lock); - - if (!block_group->ro) { - spin_unlock(&block_group->lock); - continue; - } - - factor = btrfs_bg_type_to_factor(block_group->flags); - free_bytes += (block_group->length - - block_group->used) * factor; - - spin_unlock(&block_group->lock); - } - spin_unlock(&sinfo->lock); - - return free_bytes; -} - int btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info, u64 start, u64 end) { diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c index 94d73485454a..45404798ee8c 100644 --- a/fs/btrfs/space-info.c +++ b/fs/btrfs/space-info.c @@ -1814,3 +1814,37 @@ __cold void btrfs_dump_space_info_for_trans_abort(struct btrfs_fs_info *fs_info) } dump_global_block_rsv(fs_info); } + +/* + * Account the unused space of all the readonly block group in the space_info. + * takes mirrors into account. + */ +u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo) +{ + struct btrfs_block_group *block_group; + u64 free_bytes = 0; + int factor; + + /* It's df, we don't care if it's racy */ + if (list_empty(&sinfo->ro_bgs)) + return 0; + + spin_lock(&sinfo->lock); + list_for_each_entry(block_group, &sinfo->ro_bgs, ro_list) { + spin_lock(&block_group->lock); + + if (!block_group->ro) { + spin_unlock(&block_group->lock); + continue; + } + + factor = btrfs_bg_type_to_factor(block_group->flags); + free_bytes += (block_group->length - + block_group->used) * factor; + + spin_unlock(&block_group->lock); + } + spin_unlock(&sinfo->lock); + + return free_bytes; +} diff --git a/fs/btrfs/space-info.h b/fs/btrfs/space-info.h index f28bd2c051d4..fc99ea2b0c34 100644 --- a/fs/btrfs/space-info.h +++ b/fs/btrfs/space-info.h @@ -236,5 +236,6 @@ int btrfs_reserve_data_bytes(struct btrfs_fs_info *fs_info, u64 bytes, enum btrfs_reserve_flush_enum flush); void btrfs_dump_space_info_for_trans_abort(struct btrfs_fs_info *fs_info); void btrfs_init_async_reclaim_work(struct btrfs_fs_info *fs_info); +u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo); #endif /* BTRFS_SPACE_INFO_H */ -- cgit v1.2.3