btrfs: export block group accounting helpers

Want to move these functions into block-group.c, so export them.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h
index 749d34071f86c8cb61513a0e597b654c099b0620..886bfa88ae06d711cacd06438dc2d924ae758510 100644 (file)
--- 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 0b78e5dcfe48a95468c24ce5e85c07a0d487eb36..e49998dc98486f9051bdfcabc1e02ba4b56a364c 100644 (file)
--- 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);