How to get entire file size when fuse write
问题 I'm developing a file system based on fuse. but experiencing difficulties during development. My question is 'how to get entire file size when fuse_write'. in fuse_write, static int test_fuse_write(const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi) these arguments are not related to source file. only related to destination file. I want a total file size. for example, when copying file 'A' in ext4 file system to file 'B' in fuse file system. if size of