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| author | David Sterba <dsterba@suse.com> | 2017-02-14 19:45:05 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-02-28 14:26:36 +0100 |
| commit | e5d74902362f1a06ea3674042d09f1af178c0a20 (patch) | |
| tree | 18b3bf38ac7e1d72923e423156f5e1843317f695 /fs/btrfs/compression.h | |
| parent | btrfs: use predefined limits for calculating maximum number of pages for comp... (diff) | |
| download | linux-e5d74902362f1a06ea3674042d09f1af178c0a20.tar.xz linux-e5d74902362f1a06ea3674042d09f1af178c0a20.zip | |
btrfs: derive maximum output size in the compression implementation
The value of max_out can be calculated from the parameters passed to the
compressors, which is number of pages and the page size, and we don't
have to needlessly pass it around.
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/compression.h')
| -rw-r--r-- | fs/btrfs/compression.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h index 619e64c27444..39ec43ab8df1 100644 --- a/fs/btrfs/compression.h +++ b/fs/btrfs/compression.h @@ -41,8 +41,7 @@ int btrfs_compress_pages(int type, struct address_space *mapping, u64 start, struct page **pages, unsigned long *out_pages, unsigned long *total_in, - unsigned long *total_out, - unsigned long max_out); + unsigned long *total_out); int btrfs_decompress(int type, unsigned char *data_in, struct page *dest_page, unsigned long start_byte, size_t srclen, size_t destlen); int btrfs_decompress_buf2page(const char *buf, unsigned long buf_start, @@ -76,8 +75,7 @@ struct btrfs_compress_op { struct page **pages, unsigned long *out_pages, unsigned long *total_in, - unsigned long *total_out, - unsigned long max_out); + unsigned long *total_out); int (*decompress_bio)(struct list_head *workspace, struct page **pages_in, |