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| author | David Sterba <dsterba@suse.com> | 2023-09-12 01:09:23 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-10-12 16:44:14 +0200 |
| commit | 99be1a66e1fe6c62fbd7c1b0c50ea38c33ffdd5a (patch) | |
| tree | 4d83e0ee8336713d3455a43aac36159cb2d5e74b /fs/btrfs/extent-io-tree.h | |
| parent | 6422b4cd959d4b796146c4b7746c26eb17783579 (diff) | |
| download | linux-99be1a66e1fe6c62fbd7c1b0c50ea38c33ffdd5a.tar.gz linux-99be1a66e1fe6c62fbd7c1b0c50ea38c33ffdd5a.tar.bz2 linux-99be1a66e1fe6c62fbd7c1b0c50ea38c33ffdd5a.zip | |
btrfs: add specific helper for range bit test exists
The existing helper test_range_bit works in two ways, checks if the whole
range contains all the bits, or stop on the first occurrence. By adding
a specific helper for the latter case, the inner loop can be simplified
and contains fewer conditionals, making it a bit faster.
There's no caller that uses the cached state pointer so this reduces the
argument count further.
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 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/extent-io-tree.h b/fs/btrfs/extent-io-tree.h index 28c23a23d121..336b7e8c0f86 100644 --- a/fs/btrfs/extent-io-tree.h +++ b/fs/btrfs/extent-io-tree.h @@ -133,6 +133,7 @@ u64 count_range_bits(struct extent_io_tree *tree, void free_extent_state(struct extent_state *state); int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end, u32 bits, int filled, struct extent_state *cached_state); +bool test_range_bit_exists(struct extent_io_tree *tree, u64 start, u64 end, u32 bit); int clear_record_extent_bits(struct extent_io_tree *tree, u64 start, u64 end, u32 bits, struct extent_changeset *changeset); int __clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, |