The process_func is never a function hook used anywhere else.
Open code it to make later delayed ref refactor easier, so we can
refactor btrfs_inc_extent_ref() and btrfs_free_extent() in different
patches.
Signed-off-by: Qu Wenruo <wqu@xxxxxxxx>
---
fs/btrfs/extent-tree.c | 33 ++++++++++++++++++---------------
1 file changed, 18 insertions(+), 15 deletions(-)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index ea2c3d5220f0..ea68d288d761 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3220,10 +3220,6 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
int i;
int level;
int ret = 0;
- int (*process_func)(struct btrfs_trans_handle *,
- struct btrfs_root *,
- u64, u64, u64, u64, u64, u64, bool);
-
if (btrfs_is_testing(fs_info))
return 0;
@@ -3235,11 +3231,6 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
if (!test_bit(BTRFS_ROOT_REF_COWS, &root->state) && level == 0)
return 0;
- if (inc)
- process_func = btrfs_inc_extent_ref;
- else
- process_func = btrfs_free_extent;
-
if (full_backref)
parent = buf->start;
else
@@ -3261,17 +3252,29 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
num_bytes = btrfs_file_extent_disk_num_bytes(buf, fi);
key.offset -= btrfs_file_extent_offset(buf, fi);
- ret = process_func(trans, root, bytenr, num_bytes,
- parent, ref_root, key.objectid,
- key.offset, for_reloc);
+ if (inc)
+ ret = btrfs_inc_extent_ref(trans, root, bytenr,
+ num_bytes, parent, ref_root,
+ key.objectid, key.offset,
+ for_reloc);
+ else
+ ret = btrfs_free_extent(trans, root, bytenr,
+ num_bytes, parent, ref_root,
+ key.objectid, key.offset,
+ for_reloc);
if (ret)
goto fail;
} else {
bytenr = btrfs_node_blockptr(buf, i);
num_bytes = fs_info->nodesize;
- ret = process_func(trans, root, bytenr, num_bytes,
- parent, ref_root, level - 1, 0,
- for_reloc);
+ if (inc)
+ ret = btrfs_inc_extent_ref(trans, root, bytenr,
+ num_bytes, parent, ref_root,
+ level - 1, 0, for_reloc);
+ else
+ ret = btrfs_free_extent(trans, root, bytenr,
+ num_bytes, parent, ref_root,
+ level - 1, 0, for_reloc);
if (ret)
goto fail;
}
--
2.19.2
