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btrfs: Remove extent_io_ops::merge_extent_hook callback

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This callback is used only for data and free space inodes. Such inodes
are guaranteed to have their extent_io_tree::private_data set to the
inode struct. Exploit this fact to directly call the function. Also give
it a more descriptive name. 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 14:09:52 +02:00
committed by David Sterba
parent a36bb5f9a9
commit 5c848198aa
4 changed files with 16 additions and 22 deletions
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3
fs/btrfs/extent_io.h
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@@ -106,9 +106,6 @@ struct extent_io_ops {
/*
* Optional hooks, called if the pointer is not NULL
*/
void (*merge_extent_hook)(void *private_data,
struct extent_state *new,
struct extent_state *other);
void (*split_extent_hook)(void *private_data,
struct extent_state *orig, u64 split);
};