Since we''ve optimized the truncate path, we no longer require this
function.
Signed-off-by: Josef Bacik <josef@redhat.com>
---
fs/btrfs/ctree.h | 3 ---
fs/btrfs/extent-tree.c | 31 -------------------------------
2 files changed, 0 insertions(+), 34 deletions(-)
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index edc1cf0..a8d8762 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2242,9 +2242,6 @@ int btrfs_block_rsv_migrate(struct btrfs_block_rsv
*src_rsv,
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 9e602d8..6557966 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3858,37 +3858,6 @@ static void release_global_block_rsv(struct btrfs_fs_info
*fs_info)
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)
{
--
1.7.5.2
--
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