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btrfs: Remove extent_io_ops::split_extent_hook callback

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This is the counterpart to merge_extent_hook, similarly, it's used only
for data/freespace inodes so let's remove it, rename it and call it
directly where necessary. No functional changes.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov
2018-11-01 14:09:53 +02:00
committed by David Sterba
parent 5c848198aa
commit abbb55f4cd
4 changed files with 6 additions and 20 deletions
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10
fs/btrfs/extent_io.c
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@@ -445,13 +445,6 @@ static int insert_state(struct extent_io_tree *tree,
return 0;
}
static void split_cb(struct extent_io_tree *tree, struct extent_state *orig,
u64 split)
{
if (tree->ops && tree->ops->split_extent_hook)
tree->ops->split_extent_hook(tree->private_data, orig, split);
}
/*
* split a given extent state struct in two, inserting the preallocated
* struct 'prealloc' as the newly created second half. 'split' indicates an
@@ -471,7 +464,8 @@ static int split_state(struct extent_io_tree *tree, struct extent_state *orig,
{
struct rb_node *node;
split_cb(tree, orig, split);
if (tree->private_data && is_data_inode(tree->private_data))
btrfs_split_delalloc_extent(tree->private_data, orig, split);
prealloc->start = orig->start;
prealloc->end = split - 1;