From ade4b5169f3f161e50412ad6279dc76219e05461 Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 20 Jun 2019 15:38:01 -0400 Subject: [PATCH] btrfs: export block group accounting helpers Want to move these functions into block-group.c, so export them. Signed-off-by: Josef Bacik Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/block-group.h | 6 ++++++ fs/btrfs/extent-tree.c | 21 ++++++++++----------- 2 files changed, 16 insertions(+), 11 deletions(-) diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h index 749d34071f86..886bfa88ae06 100644 --- a/fs/btrfs/block-group.h +++ b/fs/btrfs/block-group.h @@ -192,6 +192,12 @@ void btrfs_dec_block_group_ro(struct btrfs_block_group_cache *cache); int btrfs_start_dirty_block_groups(struct btrfs_trans_handle *trans); int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans); int btrfs_setup_space_cache(struct btrfs_trans_handle *trans); +int btrfs_update_block_group(struct btrfs_trans_handle *trans, + u64 bytenr, u64 num_bytes, int alloc); +int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, + u64 ram_bytes, u64 num_bytes, int delalloc); +void btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache, + u64 num_bytes, int delalloc); static inline int btrfs_block_group_cache_done( struct btrfs_block_group_cache *cache) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 0b78e5dcfe48..e49998dc9848 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2898,8 +2898,8 @@ out: return ret; } -static int update_block_group(struct btrfs_trans_handle *trans, - u64 bytenr, u64 num_bytes, int alloc) +int btrfs_update_block_group(struct btrfs_trans_handle *trans, + u64 bytenr, u64 num_bytes, int alloc) { struct btrfs_fs_info *info = trans->fs_info; struct btrfs_block_group_cache *cache = NULL; @@ -3199,8 +3199,8 @@ btrfs_inc_block_group_reservations(struct btrfs_block_group_cache *bg) * reservation and the block group has become read only we cannot make the * reservation and return -EAGAIN, otherwise this function always succeeds. */ -static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, - u64 ram_bytes, u64 num_bytes, int delalloc) +int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, + u64 ram_bytes, u64 num_bytes, int delalloc) { struct btrfs_space_info *space_info = cache->space_info; int ret = 0; @@ -3233,9 +3233,8 @@ static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, * A and before transaction A commits you free that leaf, you call this with * reserve set to 0 in order to clear the reservation. */ - -static void btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache, - u64 num_bytes, int delalloc) +void btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache, + u64 num_bytes, int delalloc) { struct btrfs_space_info *space_info = cache->space_info; @@ -3705,7 +3704,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, goto out; } - ret = update_block_group(trans, bytenr, num_bytes, 0); + ret = btrfs_update_block_group(trans, bytenr, num_bytes, 0); if (ret) { btrfs_abort_transaction(trans, ret); goto out; @@ -4770,7 +4769,7 @@ static int alloc_reserved_file_extent(struct btrfs_trans_handle *trans, if (ret) return ret; - ret = update_block_group(trans, ins->objectid, ins->offset, 1); + ret = btrfs_update_block_group(trans, ins->objectid, ins->offset, 1); if (ret) { /* -ENOENT, logic error */ btrfs_err(fs_info, "update block group failed for %llu %llu", ins->objectid, ins->offset); @@ -4860,8 +4859,8 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, if (ret) return ret; - ret = update_block_group(trans, extent_key.objectid, - fs_info->nodesize, 1); + ret = btrfs_update_block_group(trans, extent_key.objectid, + fs_info->nodesize, 1); if (ret) { /* -ENOENT, logic error */ btrfs_err(fs_info, "update block group failed for %llu %llu", extent_key.objectid, extent_key.offset); -- 2.11.0