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| author | Josef Bacik <josef@toxicpanda.com> | 2022-09-09 17:53:27 -0400 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-09-26 12:28:03 +0200 |
| commit | 04eba8932392f6277ec0e6fca66370e47c4405ee (patch) | |
| tree | a04a0e3ed96b95683f5c10c22fad7e2785f9a3cc /fs/btrfs/extent-io-tree.h | |
| parent | 91af24e48474d9979a70af3894ba7544bb132b82 (diff) | |
| download | linux-04eba8932392f6277ec0e6fca66370e47c4405ee.tar.gz linux-04eba8932392f6277ec0e6fca66370e47c4405ee.tar.bz2 linux-04eba8932392f6277ec0e6fca66370e47c4405ee.zip | |
btrfs: temporarily export and then move extent state helpers
In order to avoid moving all of the related code at once temporarily
export all of the extent state related helpers. Then move these helpers
into extent-io-tree.c. We will clean up the exports and make them
static in followup patches.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent-io-tree.h')
| -rw-r--r-- | fs/btrfs/extent-io-tree.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/btrfs/extent-io-tree.h b/fs/btrfs/extent-io-tree.h index ce07432954b4..92cbb1dc5ce2 100644 --- a/fs/btrfs/extent-io-tree.h +++ b/fs/btrfs/extent-io-tree.h @@ -291,5 +291,31 @@ struct rb_node *tree_search_for_insert(struct extent_io_tree *tree, u64 offset, struct rb_node *tree_search_prev_next(struct extent_io_tree *tree, u64 offset, struct rb_node **prev_ret, struct rb_node **next_ret); +void merge_state(struct extent_io_tree *tree, struct extent_state *state); + +static inline struct extent_state *next_state(struct extent_state *state) +{ + struct rb_node *next = rb_next(&state->rb_node); + if (next) + return rb_entry(next, struct extent_state, rb_node); + else + return NULL; +} + +struct extent_state *clear_state_bit(struct extent_io_tree *tree, + struct extent_state *state, u32 bits, + int wake, + struct extent_changeset *changeset); +int insert_state(struct extent_io_tree *tree, struct extent_state *state, + u32 bits, struct extent_changeset *changeset); +int split_state(struct extent_io_tree *tree, struct extent_state *orig, + struct extent_state *prealloc, u64 split); +int insert_state(struct extent_io_tree *tree, struct extent_state *state, + u32 bits, struct extent_changeset *changeset); +void insert_state_fast(struct extent_io_tree *tree, struct extent_state *state, + struct rb_node **node, struct rb_node *parent, + unsigned bits, struct extent_changeset *changeset); +void set_state_bits(struct extent_io_tree *tree, struct extent_state *state, + u32 bits, struct extent_changeset *changeset); #endif /* BTRFS_EXTENT_IO_TREE_H */ |