vfs_readv        1034 fs/read_write.c 		ret = vfs_readv(f.file, vec, vlen, ppos, flags);
vfs_readv        1089 fs/read_write.c 			ret = vfs_readv(f.file, vec, vlen, &pos, flags);
vfs_readv         359 fs/splice.c    	res = vfs_readv(file, (const struct iovec __user *)vec, vlen, &pos, 0);
vfs_readv        1919 include/linux/fs.h extern ssize_t vfs_readv(struct file *, const struct iovec __user *,