compress_pages 1045 fs/btrfs/compression.c ret = btrfs_compress_op[type]->compress_pages(workspace, mapping, compress_pages 142 fs/btrfs/compression.h int (*compress_pages)(struct list_head *workspace, compress_pages 517 fs/btrfs/lzo.c .compress_pages = lzo_compress_pages, compress_pages 428 fs/btrfs/zlib.c .compress_pages = zlib_compress_pages, compress_pages 721 fs/btrfs/zstd.c .compress_pages = zstd_compress_pages,