Btrfs: kill btrfs_truncate_reserve_metadata
Since we've optimized the truncate path, we no longer require this function.
Signed-off-by: Josef Bacik <josef@redhat.com>
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 58a06de..22a9347 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2240,9 +2240,6 @@
void btrfs_block_rsv_release(struct btrfs_root *root,
struct btrfs_block_rsv *block_rsv,
u64 num_bytes);
-int btrfs_truncate_reserve_metadata(struct btrfs_trans_handle *trans,
- struct btrfs_root *root,
- struct btrfs_block_rsv *rsv);
int btrfs_set_block_group_ro(struct btrfs_root *root,
struct btrfs_block_group_cache *cache);
int btrfs_set_block_group_rw(struct btrfs_root *root,
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 6356ef2..d05967e 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3858,37 +3858,6 @@
WARN_ON(fs_info->chunk_block_rsv.reserved > 0);
}
-int btrfs_truncate_reserve_metadata(struct btrfs_trans_handle *trans,
- struct btrfs_root *root,
- struct btrfs_block_rsv *rsv)
-{
- struct btrfs_block_rsv *trans_rsv = &root->fs_info->trans_block_rsv;
- u64 num_bytes;
- int ret;
-
- /*
- * Truncate should be freeing data, but give us 2 items just in case it
- * needs to use some space. We may want to be smarter about this in the
- * future.
- */
- num_bytes = btrfs_calc_trans_metadata_size(root, 2);
-
- /* We already have enough bytes, just return */
- if (rsv->reserved >= num_bytes)
- return 0;
-
- num_bytes -= rsv->reserved;
-
- /*
- * You should have reserved enough space before hand to do this, so this
- * should not fail.
- */
- ret = block_rsv_migrate_bytes(trans_rsv, rsv, num_bytes);
- BUG_ON(ret);
-
- return 0;
-}
-
void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
struct btrfs_root *root)
{