[19/25] btrfs: export block group accounting helpers
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Message ID 20190620193807.29311-20-josef@toxicpanda.com
State New
Headers show
Series
  • btrfs: migrate the block group code
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Commit Message

Josef Bacik June 20, 2019, 7:38 p.m. UTC
Want to move these functions into block-group.c, so export them.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 fs/btrfs/block-group.h |  6 ++++++
 fs/btrfs/extent-tree.c | 21 ++++++++++-----------
 2 files changed, 16 insertions(+), 11 deletions(-)

Patch
diff mbox series

diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h
index b093b19696aa..3b7516836849 100644
--- a/fs/btrfs/block-group.h
+++ b/fs/btrfs/block-group.h
@@ -196,6 +196,12 @@  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 b895380e60b2..e44a6c3d7a9a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2895,8 +2895,8 @@  int btrfs_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags,
 	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;
@@ -3197,8 +3197,8 @@  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;
@@ -3231,9 +3231,8 @@  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;
 
@@ -3706,7 +3705,7 @@  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;
@@ -4765,7 +4764,7 @@  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);
@@ -4855,8 +4854,8 @@  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);