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| author |   David Sterba <dsterba@suse.com> | 2019-10-01 22:38:34 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-11-18 12:46:56 +0100 |
| commit | c4bf665a3197554a696121d20f3bf11d084a6961 (patch) | |
| tree | f2f22990a01d918ee4b4a2ecf9f47c52a80389f3 /fs/btrfs/lzo.c | |
| parent | btrfs: use btrfs_block_group_cache_done in update_block_group (diff) | |
| download | linux-dev-c4bf665a3197554a696121d20f3bf11d084a6961.tar.xz linux-dev-c4bf665a3197554a696121d20f3bf11d084a6961.zip | |
btrfs: export compression and decompression callbacks
Export compress_pages, decompress_bio and decompress callbacks for all
compression algos. The indirect calls will be replaced by a switch.
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/lzo.c')
| -rw-r--r-- | fs/btrfs/lzo.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/fs/btrfs/lzo.c b/fs/btrfs/lzo.c index acad4174f68d..04a6815ea9cb 100644 --- a/fs/btrfs/lzo.c +++ b/fs/btrfs/lzo.c @@ -131,13 +131,9 @@ static inline size_t read_compress_length(const char *buf) return le32_to_cpu(dlen); } -static int lzo_compress_pages(struct list_head *ws, - struct address_space *mapping, - u64 start, - struct page **pages, - unsigned long *out_pages, - unsigned long *total_in, - unsigned long *total_out) +int lzo_compress_pages(struct list_head *ws, struct address_space *mapping, + u64 start, struct page **pages, unsigned long *out_pages, + unsigned long *total_in, unsigned long *total_out) { struct workspace *workspace = list_entry(ws, struct workspace, list); int ret = 0; @@ -303,7 +299,7 @@ out: return ret; } -static int lzo_decompress_bio(struct list_head *ws, struct compressed_bio *cb) +int lzo_decompress_bio(struct list_head *ws, struct compressed_bio *cb) { struct workspace *workspace = list_entry(ws, struct workspace, list); int ret = 0, ret2; @@ -444,10 +440,9 @@ done: return ret; } -static int lzo_decompress(struct list_head *ws, unsigned char *data_in, - struct page *dest_page, - unsigned long start_byte, - size_t srclen, size_t destlen) +int lzo_decompress(struct list_head *ws, unsigned char *data_in, + struct page *dest_page, unsigned long start_byte, size_t srclen, + size_t destlen) { struct workspace *workspace = list_entry(ws, struct workspace, list); size_t in_len; |